> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gigstack.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Create receipt

> [Small working example](/recipes/receipt)

**Integration note:** A receipt is not yet a stamped CFDI. Repeating a creation idempotency_key returned HTTP 400 resource_conflict in staging. The tested response returned payment_form null despite a request value of 03; verify the fiscal document before issuing it.

Create a new receipt with items and client information. Receipts are pre-invoice documents
that can be later stamped as CFDI invoices.

**Features:**
- Automatic amount calculations with taxes
- Flexible validity periods
- Client auto-creation support
- Metadata support for tracking
- Idempotency support to prevent duplicate receipts

**gigstack Connect:** Create receipts for other teams using the `team` parameter.




## OpenAPI

````yaml openapi.json POST /receipts
openapi: 3.0.3
info:
  title: gigstack API v2
  description: >
    # gigstack API v2


    Build customer, invoice and payment integrations. Start with the
    [quickstart](https://docs.gigstack.io/quickstart), then select the [issuing
    country](https://docs.gigstack.io/concepts/shared-fields).


    ## Authentication and environments


    Use Authorization: Bearer YOUR_API_KEY. Standard live and test keys use
    https://api.gigstack.io/v2. Internal staging uses
    https://gigstack-staging-9z9nnaat.uc.gateway.dev/v2 and separate keys. Test
    mode is a data mode within an environment; a body field does not switch a
    key's mode.


    See [authentication](https://docs.gigstack.io/authentication) for key
    handling, OAuth team scope and gigstack Connect. Signup requires its
    separately documented internal credential; health probes have their own
    security declarations. Operations marked unavailable have no configured
    public gateway route.


    ## Read the operation contract


    Response envelopes, pagination and retry rules differ by endpoint. HTTP
    success alone does not prove external fiscal completion or movement of
    money. Reconcile ambiguous writes before retrying. Use [responses and
    recovery](https://docs.gigstack.io/responses) and the operation's error
    codes; document credits and daily limits are not generic retryable rate
    limits.


    The issuing team's configuration selects Mexico or Colombia; customer
    country and currency do not. Read
    [Mexico](https://docs.gigstack.io/countries/mexico) or
    [Colombia](https://docs.gigstack.io/countries/colombia) before choosing
    fiscal fields. Accepted public input differs from a provider's direct
    payload.


    Examples and schema checks do not imply every operation has been executed
    live. [Verification coverage](https://docs.gigstack.io/verification)
    distinguishes source review, offline checks and observed staging behavior.
    Documentation describes operations and does not authorize execution.
  version: 2.0.0
  contact:
    name: Gigstack API Support
    url: https://gigstack.io
    email: support@gigstack.io
  license:
    name: Proprietary
    url: https://gigstack.io/terms
  termsOfService: https://gigstack.io/terms
servers:
  - url: https://api.gigstack.io/v2
    description: >
      Public API for standard live and test-mode keys. Test data is isolated by
      the key mode

      (`livemode: false`). Internal staging is a separate deployment and key
      store; see

      https://docs.gigstack.io/authentication#environments for its base URL.
security:
  - bearerAuth: []
tags:
  - name: gigstack Connect
    description: >
      **Multi-Team Resource Access**


      gigstack Connect lets a master team act on other teams that share its
      billing account.


      ## 🔗 How It Works


      Add the `team` query parameter to a request made with an **API key**:


      ```bash

      # Access team_xyz789's clients

      GET /clients?team=team_xyz789


      # Create an income invoice for team_abc123

      POST /invoices/income?team=team_abc123


      # Update service in team_def456

      PUT /services/service_456?team=team_def456

      ```


      ## ✅ Requirements


      - The API key's team must be a master team (gigstack Connect enabled)

      - The target team must exist and share the master team's billing account

      - The plan must include the `multipleIssuerAccounts` feature

      - OAuth access tokens cannot act on another team


      ## ⚠️ Error Responses


      Raw `{ "message": … }` bodies from the authentication layer:


      - `401 Unauthorized, not a master team` - gigstack Connect not enabled on
      your key's team

      - `404 Team not found` - Target team doesn't exist

      - `401 Unauthorized, no matched teams` - Target team could not be resolved
      within your billing account

      - `403 Tu plan no incluye múltiples cuentas emisoras. …` - Plan lacks
      `multipleIssuerAccounts`

      - `403 Team mismatch with OAuth token` - OAuth access token used with
      another team's id


      ## 🌐 Availability


      The `team` parameter is read by the authentication layer, so it is
      accepted on every authenticated

      endpoint, including ones whose parameter list does not show it.
  - name: Clients
    description: Client management operations with Mexican tax compliance
  - name: Services
    description: Service and product catalog management with SAT product keys
  - name: Invoices
    description: Invoice management with CFDI 4.0 compliance and SAT integration
  - name: Draft Invoices (Pre-Facturas)
    description: >
      **Create, edit, preview and stamp draft invoices (pre-facturas)**


      Draft invoices let you build CFDI invoices incrementally before stamping
      them with SAT. Use them as **pre-facturas** — generate a preview PDF with
      a "Sin Validez Fiscal" watermark to share with your client for approval,
      then stamp the draft to create a valid CFDI when ready.


      ## Typical Workflow


      1. `POST /invoices/draft` — Create a draft with minimal data

      2. `PUT /invoices/draft/{id}` — Update as more data becomes available

      3. `POST /invoices/draft/{id}/preview` — Generate a preview PDF
      (pre-factura)

      4. `POST /invoices/draft/{id}/stamp` — Finalize into a valid CFDI invoice
  - name: Descarga Masiva SAT
    description: >
      **SAT bulk invoice download via FIEL authentication**


      Download all your issued and received CFDI invoices directly from the SAT
      (Servicio de Administración Tributaria) using your FIEL (Firma Electrónica
      Avanzada).


      ## Setup flow

      1. `GET /invoices/download/activate/status` — Check if activated and
      what's needed

      2. `POST /invoices/download/activate` — Activate billing (adds Stripe
      meter/add-on)

      3. `POST /invoices/download/fiel` — Upload `.cer` + `.key` files
      (auto-registers with SAT)

      4. `PUT /invoices/download/schedule` — Configure daily auto-sync

      5. `POST /invoices/download/request` — Submit manual download requests


      ## Pricing

      - Included in Pro/Business plans: only the download meter ($0.20 MXN/XML)

      - Other paid plans: the same $0.20 MXN/XML download meter, no monthly base
      fee
  - name: Payments
    description: Payment processing, tracking, and refund management
  - name: Receipts
    description: Receipt creation and management with CFDI stamping capabilities
  - name: Retentions
    description: >-
      Tax retention documents (CFDI Retenciones 2.0) — creation, stamping,
      cancellation, and file retrieval
  - name: Platform Payouts
    description: >
      **Plan and stamp a marketplace's provider payouts from two files.**


      For marketplaces and digital platforms that pay providers under the SAT
      digital-platforms scheme

      (Plataformas Tecnológicas, RESICO 625, retention key 26): ride-hailing
      drivers, delivery couriers,

      lodging hosts, sellers of goods. Available to marketplace **master teams**
      whose billing account has

      platform payouts enabled. Upload a movements file and a commissions file.
      gigstack matches each row

      to a provider's team in your billing account and plans three kinds of
      CFDI: the provider's income

      invoice to you, your retention certificate (key 26) to the provider, and
      your monthly commission

      invoice to the provider.


      **Not for your own sales.** This is for a platform invoicing on behalf of
      its providers. A company

      invoicing its own sales, one CFDI per sale, should use `POST
      /invoices/income`.


      **Tax policy per account.** Which documents are issued, and with which SAT
      keys and rates, is set

      per master account at onboarding: allowed tax regimes, CSD requirement,
      service type (`tipoDeServ` /

      `subTipServ`), ISR and IVA withholding rates, product keys and concept
      descriptions. The defaults are

      for ground passenger transport (service type `01`, 2.1% ISR withholding).
      Contact support to

      configure your account's policy; it can't be changed through the API.


      1. `POST /platform-payouts` with an `Idempotency-Key` - upload and plan
      (synchronous)

      2. `GET /platform-payouts/{id}` and `GET /platform-payouts/{id}/movements`
      - review the plan

      3. `POST /platform-payouts/{id}/confirm` - irreversible hand-off to the
      stamping worker

      4. `GET /platform-payouts/{id}` - poll until `completed` or `failed`, then
      read `result`
         (`completed`, `partially_completed` or `failed`)

      Error messages and exclusion reasons are Spanish sentences for end users;
      branch on `error.code`,

      `reason_code` and `exclusion_codes`.
  - name: Documents
    description: >
      SAT supporting documentation (contracts, delivery/payment proofs,
      communications) — upload

      metadata, compliance review, AI extraction, and linking to invoices,
      payments, receipts and clients.
  - name: Teams
    description: Team management, settings, and member administration
  - name: Users
    description: User account management and password operations
  - name: Auth
    description: >
      **API-only signup for AI agents and partner integrations.**


      A single `POST /v2/auth/signup` call provisions a Firebase Auth user,
      billing

      account, team, plan subscription, and returns API keys — no UI, no FIEL
      upload,

      no human onboarding required.


      Designed for the AI-agents-as-customers use case. RFC defaults to genérico

      (`XAXX010101000`) so agents can transact under público en general
      until/unless

      their customer uploads their own RFC.


      Authenticated with `X-Internal-API-Key` (partner-issued) — Bearer tokens
      are

      team-scoped and a brand-new caller doesn't have one yet.


      See `AGENTS.md` in the gigstack-cli repo for end-to-end integration guide.
  - name: Webhooks
    description: Webhook management for real-time event notifications
  - name: Catalogs
    description: >
      **Read-only search over the SAT catalogs**


      Look up the SAT codes required on CFDI line items without hardcoding them:


      - `GET /catalogs/product-keys` — `c_ClaveProdServ`, the item `product_key`

      - `GET /catalogs/unit-keys` — `c_ClaveUnidad`, the item `unit_key` /
      `unit_name`


      Both are typo-tolerant full-text searches ranked by relevance. The
      catalogs are

      published by the SAT and identical for every team, so results carry no
      team data

      and ignore `livemode` — but a valid API key is still required.
  - name: SAT Lists
    description: >
      Read-only access to the RFC lists the SAT publishes under Artículo 69,
      69-B and 69-B Bis.


      gigstack re-syncs all 22 lists from the SAT's published CSVs every Sunday,
      so you can screen a counterparty's

      RFC before invoicing it without scraping the SAT yourself.
externalDocs:
  description: Complete API Documentation & Guides
  url: https://docs.gigstack.io
paths:
  /receipts:
    post:
      tags:
        - Receipts
      summary: Create receipt
      description: >
        [Small working example](/recipes/receipt)


        **Integration note:** A receipt is not yet a stamped CFDI. Repeating a
        creation idempotency_key returned HTTP 400 resource_conflict in staging.
        The tested response returned payment_form null despite a request value
        of 03; verify the fiscal document before issuing it.


        Create a new receipt with items and client information. Receipts are
        pre-invoice documents

        that can be later stamped as CFDI invoices.


        **Features:**

        - Automatic amount calculations with taxes

        - Flexible validity periods

        - Client auto-creation support

        - Metadata support for tracking

        - Idempotency support to prevent duplicate receipts


        **gigstack Connect:** Create receipts for other teams using the `team`
        parameter.
      operationId: createReceipts
      parameters:
        - $ref: '#/components/parameters/TeamParameter'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ReceiptInput'
            example:
              client:
                id: client_1234567890
              currency: MXN
              items:
                - id: service_1234567890
                  quantity: 1
              periodicity: month
              payment_form: '03'
              idempotency_key: receipt-key-12345
              metadata:
                order_id: ORD-12345
      responses:
        '201':
          description: >
            Receipt created successfully. The receipt is stored with `status:
            pending` —

            no PAC call happens here, so no PAC-related error can be returned by
            this

            operation. Stamping happens later, via `POST
            /v2/receipts/{id}/stamp` or the

            self-invoicing portal.
          content:
            application/json:
              schema:
                allOf:
                  - $ref: '#/components/schemas/StandardSuccessResponse'
                  - type: object
                    properties:
                      message:
                        type: string
                        example: Receipt created successfully
              example:
                success: true
                data:
                  id: receipt_1234567890
                  client:
                    id: client_1234567890
                    name: ESCUELA KEMPER URGATE
                    legal_name: ESCUELA KEMPER URGATE
                    email: contabilidad@ejemplo.com
                    bcc: []
                    phone: '+524421234567'
                    tax_id: EKU9003173C9
                    tax_system: '601'
                    use: G03
                    address:
                      street: Av. Constituyentes
                      exterior: '1000'
                      neighborhood: Centro
                      city: Querétaro
                      state: QRO
                      zip: '76000'
                      country: MEX
                    is_valid: true
                    efos:
                      is_valid: true
                    metadata: {}
                    livemode: true
                    from: api
                    owner: user_1234567890
                    team: team_1234567890
                    created_at: 1767225600000
                  currency: MXN
                  exchange_rate: 1
                  from: api
                  url: >-
                    https://invoicing.gigstack.pro/autofactura?id=receipt_1234567890
                  created_at: 1767225600000
                  invoices: []
                  items:
                    - id: service_1234567890
                      description: Servicios de consultoría profesional
                      quantity: 1
                      unit_price: 1000
                      product_key: '80141503'
                      unit_key: E48
                      unit_name: Unidad de servicio
                      taxes:
                        - type: IVA
                          rate: 0.16
                          factor: Tasa
                          withholding: false
                      team: team_1234567890
                      created_at: 1767225600000
                      from: api
                  livemode: true
                  metadata:
                    order_id: ORD-12345
                  owner: user_1234567890
                  payments:
                    - payment_1234567890
                  periodicity: month
                  short_url: https://gigstack.xyz/Rc8vQ2
                  status: pending
                  team: team_1234567890
                  valid_until: 1769817600000
                  automatic_invoice_error: null
                  payment_form: '03'
                  total: 1160
                  total_refunded: 0
                  subtotal: 1000
                  taxes: 160
                  discount: 0
                  withholding_taxes: 0
                  idempotency_key: receipt-key-12345
                message: Receipt created successfully
                timestamp: 1767225600000
        '400':
          description: >
            Bad Request. `error.code`:

            - `validation_failed` — schema failure, including unknown keys.

            - `invalid_request_body` — `Items are required for receipt
            creation`, `Exchange rate not found`.

            - `resource_conflict` — the supplied `idempotency_key` already
            exists. Note the
              status is **400**, not 409, despite the code name.
            - `resource_resolution_failed` — the `client`/`items` reference
            could not be
              resolved (e.g. both `id` and `search` supplied, or `safety_check` matched
              several records).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ValidationErrorResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          description: >-
            Referenced client or service belongs to another team, or `livemode`
            mismatch.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardErrorResponse'
        '404':
          description: Referenced client or service id was not found.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NotFoundError'
        '409':
          description: >-
            A concurrent create holds the client/service lock — retry the
            request.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardErrorResponse'
        '429':
          description: >
            Team credit limit reached. Returned in the standardized envelope
            with

            `error.code: team_credit_limit_reached`; `error.details` carries the
            reason

            reported by the credit checker.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardErrorResponse'
              example:
                success: false
                error:
                  code: team_credit_limit_reached
                  message: Team credit limit reached
                  details: >-
                    Credit limit of 100 documents reached for this billing
                    period
                timestamp: 1767225600000
        '500':
          description: Internal Server Error — `An error occurred while creating receipt`.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InternalServerError'
      security:
        - bearerAuth: []
components:
  parameters:
    TeamParameter:
      name: team
      in: query
      required: false
      schema:
        type: string
      description: >
        **gigstack Connect:** Target team ID for multi-team access.


        Requires gigstack Connect enabled on your team and shared billing
        account.


        Also requires the `multipleIssuerAccounts` feature on your plan.
        Requests targeting a

        team other than the one your API key belongs to return `403` without it.


        Only API keys can use it: an OAuth access token sent with another team's
        id is rejected with

        `403 Team mismatch with OAuth token`.


        **Optional — omit it entirely** unless you are acting on another team.
        It deliberately

        carries no example value so generated snippets do not emit
        `?team=undefined`; when the

        parameter is absent, the team is derived from your API key.


        **Example:** `?team=team_xyz789`
  schemas:
    ReceiptInput:
      description: >
        Unknown top-level keys are rejected (`400 validation_failed` /
        `unexpected_key`);

        `metadata` is the one object that accepts arbitrary keys. `team`,
        `livemode` and

        `owner` are reserved and injected by the auth middleware.
      type: object
      additionalProperties: false
      required:
        - client
        - currency
        - items
      properties:
        client:
          $ref: '#/components/schemas/EmbeddedClientInput'
        currency:
          description: Currency code (ISO 4217)
          example: MXN
          type: string
        exchange_rate:
          description: Exchange rate to use for currency conversion
          example: 1
          type: number
          nullable: true
        items:
          description: Receipt items
          type: array
          items:
            $ref: '#/components/schemas/ItemSchema'
        metadata:
          description: >-
            Additional metadata - accepts any custom properties for tracking
            business data, references, or integration identifiers. All
            properties are preserved and returned as-is.
          type: object
          additionalProperties: true
          properties: {}
          nullable: true
        periodicity:
          description: >
            Receipt validity period. `two_month` and `two_months` are both
            accepted and

            mean the same period (end of the following month).
          example: month
          type: string
          enum:
            - day
            - week
            - two_weeks
            - month
            - two_month
            - two_months
            - null
          nullable: true
        invoice_config:
          description: >
            Invoice configuration for future stamping. Accepted and validated on
            this

            endpoint, but note the create-receipt handler does **not** currently
            persist it

            onto the receipt — it is validated and discarded.
          type: object
          additionalProperties: false
          properties:
            folio:
              type: number
              nullable: true
            serie:
              type: string
              nullable: true
            date:
              type: number
              nullable: true
            global:
              type: object
              additionalProperties: false
              properties:
                year:
                  type: number
                  nullable: true
                months:
                  type: string
                  nullable: true
                periodicity:
                  type: string
                  nullable: true
              nullable: true
            validUntil:
              type: number
              nullable: true
        payment_form:
          description: SAT payment form code
          example: '01'
          type: string
          nullable: true
        idempotency_key:
          description: >-
            Stable key for one business event. A duplicate returns HTTP 400 with
            error.code resource_conflict, not the existing receipt as a
            successful response. Reconcile the existing record and retain this
            key across retries.
          example: receipt-key-12345
          type: string
          nullable: true
        send_email:
          description: >-
            Whether to send email and WhatsApp notifications for this receipt.
            Defaults to `true`.
          example: true
          type: boolean
          nullable: true
        ignore_emails:
          description: >
            Suppress email and WhatsApp notifications for this receipt. Takes
            precedence

            over `send_email` — the handler stores `ignore_emails ?? (send_email
            === false)`.
          example: false
          type: boolean
          nullable: true
    StandardSuccessResponse:
      type: object
      description: |
        Standardized success envelope emitted by `sendSuccessResponse`.
      required:
        - success
        - data
        - timestamp
      properties:
        success:
          type: boolean
          enum:
            - true
          example: true
        data:
          type: object
          description: The operation payload.
        message:
          type: string
          description: Human-readable summary. Present only when the handler supplies one.
          example: Operation completed successfully
        timestamp:
          type: integer
          format: int64
          description: Server time in **epoch milliseconds** (`Luxon.now().toMillis()`).
          example: 1767225600000
    ValidationErrorResponse:
      allOf:
        - $ref: '#/components/schemas/StandardErrorResponse'
      description: >
        Body validation failure. Unknown top-level keys are rejected — the
        validator runs in

        strict allowlist mode (`allowUnknown: false`), so a field not declared
        in the request

        schema produces an `unexpected_key` detail rather than being ignored.
      example:
        success: false
        error:
          code: validation_failed
          message: Request validation failed
          details:
            - 'currency: Field is required'
            - 'client_id: Unexpected field'
        timestamp: 1767225600000
    StandardErrorResponse:
      type: object
      description: >
        Standardized error envelope emitted by `sendErrorResponse` and its
        helpers

        (`sendValidationError`, `sendNotFoundError`, `sendUnauthorizedError`,

        `sendForbiddenError`, `sendConflictError`, `sendBadRequestError`,

        `sendInternalServerError`).
      required:
        - success
        - error
        - timestamp
      properties:
        success:
          type: boolean
          enum:
            - false
          example: false
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
              description: >
                Stable machine-readable code. Values emitted by the shared
                helpers:

                `unauthorized`, `forbidden`, `invalid_token`,
                `validation_failed`,

                `invalid_request_body`, `missing_required_field`,
                `invalid_field_value`,

                `resource_not_found`, `resource_already_exists`,
                `resource_conflict`,

                `business_rule_violation`, `operation_not_allowed`,

                `insufficient_permissions`, `external_service_error`,

                `payment_processor_error`, `cfdi_service_error`,

                `internal_server_error`, `service_unavailable`,
                `rate_limit_exceeded`,

                `database_error`, `data_integrity_error`, `file_not_found`,

                `file_upload_error`, `invalid_file_format`. Individual handlers
                may

                emit additional endpoint-specific codes, documented per
                operation.
              example: validation_failed
            message:
              type: string
              example: Request validation failed
            details:
              oneOf:
                - type: string
                - type: array
                  items:
                    type: string
              description: >
                Present only when the handler supplies detail. Validation
                failures

                emit an array of `"<field path>: <message>"` strings.
              example:
                - 'currency: Field is required'
        timestamp:
          type: integer
          format: int64
          description: Server time in epoch milliseconds.
          example: 1767225600000
    NotFoundError:
      allOf:
        - $ref: '#/components/schemas/StandardErrorResponse'
      example:
        success: false
        error:
          code: resource_not_found
          message: Resource not found
        timestamp: 1767225600000
    InternalServerError:
      allOf:
        - $ref: '#/components/schemas/StandardErrorResponse'
      example:
        success: false
        error:
          code: internal_server_error
          message: An internal server error occurred
        timestamp: 1767225600000
    EmbeddedClientInput:
      type: object
      additionalProperties: false
      properties:
        id:
          type: string
          nullable: true
        search:
          type: object
          additionalProperties: false
          required:
            - on_key
            - on_value
          properties:
            on_key:
              type: string
            on_value:
              type: string
            auto_create:
              type: boolean
              nullable: true
            safety_check:
              type: boolean
              nullable: true
            update:
              type: boolean
              nullable: true
          nullable: true
        address:
          type: object
          additionalProperties: false
          properties:
            country:
              type: string
              nullable: true
              maxLength: 3
            street:
              type: string
              nullable: true
            zip:
              type: string
              nullable: true
            city:
              type: string
              nullable: true
            state:
              type: string
              nullable: true
            exterior:
              type: string
              nullable: true
            interior:
              type: string
              nullable: true
            municipality:
              type: string
              nullable: true
            neighborhood:
              type: string
              nullable: true
          nullable: true
        name:
          type: string
          nullable: true
        company:
          type: string
          nullable: true
        phone:
          type: string
          nullable: true
        email:
          type: string
          nullable: true
        bcc:
          type: array
          items:
            type: string
        metadata:
          type: object
          additionalProperties: true
          properties: {}
        legal_name:
          type: string
          nullable: true
        tax_id:
          type: string
          nullable: true
        use:
          type: string
          nullable: true
        tax_system:
          type: string
          nullable: true
        document_type:
          description: DIAN identification document code
          type: string
          enum:
            - ''
            - '11'
            - '12'
            - '13'
            - '21'
            - '22'
            - '31'
            - '41'
            - '42'
            - '47'
            - '48'
            - '50'
            - '91'
            - null
          nullable: true
        organization_type:
          description: 1 = persona jurídica, 2 = persona natural
          oneOf:
            - type: string
              enum:
                - ''
                - '1'
                - '2'
                - null
              nullable: true
            - type: number
              enum:
                - 1
                - 2
        tribute_code:
          description: '''01'' = responsable de IVA, ''ZZ'' = no aplica'
          type: string
          enum:
            - ''
            - '01'
            - ZZ
            - null
          nullable: true
        fiscal_responsibilities:
          description: >-
            DIAN responsabilidades fiscales (lista 53). Omitted means 'R-99-PN'
            (no responsable)
          type: array
          items:
            type: string
            enum:
              - O-13
              - O-15
              - O-23
              - O-47
              - R-99-PN
          nullable: true
        dv:
          description: NIT verification digit
          type: string
          nullable: true
          pattern: ^[0-9]?$
        municipality_code:
          description: DANE municipality code, only for clients domiciled in Colombia
          type: string
          nullable: true
          pattern: ^([0-9]{5})?$
    ItemSchema:
      description: >
        A line item on an invoice, receipt or payment. Only `quantity` is
        required; everything

        else is optional, or resolved from the referenced service when
        `id`/`search` is used.

        `id` and `search` are mutually exclusive — supplying both is a `400`.


        Unknown keys are rejected. Note there is no per-item `metadata` field.
      type: object
      additionalProperties: false
      required:
        - quantity
      properties:
        id:
          description: Service/product ID reference
          example: service_1234567890
          type: string
          nullable: true
        search:
          type: object
          additionalProperties: false
          required:
            - on_key
            - on_value
          properties:
            on_key:
              description: Field to search on (sku, name, etc.)
              example: sku
              type: string
            on_value:
              description: Value to search for
              example: CONS-001
              type: string
            auto_create:
              description: Create service if not found
              example: true
              type: boolean
              nullable: true
            safety_check:
              description: >-
                When true, prevents using multiple matching results (returns
                error). When false, uses the first result found. Default: false
              example: false
              type: boolean
              nullable: true
            update:
              type: boolean
              nullable: true
          nullable: true
        quantity:
          description: Item quantity
          example: 1
          type: number
        description:
          description: Item description
          example: Consulting services
          type: string
          nullable: true
        sku:
          description: Stock keeping unit
          example: CONS-001
          type: string
          nullable: true
        product_key:
          description: SAT product key (c_ClaveProdServ)
          example: '80141503'
          type: string
          nullable: true
        unit_key:
          description: SAT unit key (c_ClaveUnidad)
          example: E48
          type: string
          nullable: true
        unit_name:
          description: Unit name
          example: Servicio
          type: string
          nullable: true
        unit_price:
          description: Unit price
          example: 1000
          type: number
          nullable: true
        discount:
          description: >-
            Discount amount (absolute value in the item currency, not a
            percentage)
          example: 0
          type: number
          nullable: true
        taxability:
          description: SAT `c_ObjetoImp` — whether the item is subject to tax.
          example: '02'
          type: string
          enum:
            - '01'
            - '02'
            - '03'
            - '04'
            - '05'
            - '06'
            - '07'
            - '08'
            - null
          nullable: true
        taxes:
          description: Tax elements applied to this item
          type: array
          items:
            type: object
            additionalProperties: false
            properties:
              base:
                description: >-
                  Taxable base amount. Accepts number or numeric string. If
                  null, calculated automatically from item price.
                example: 100
                oneOf:
                  - type: number
                    nullable: true
                  - type: string
                    description: Numeric string accepted by the request validator.
              factor:
                type: string
                nullable: true
                example: Tasa
                description: SAT tax factor (Tasa, Cuota, Exento)
              inclusive:
                type: boolean
                nullable: true
                example: false
                description: Whether the tax is included in the unit price
              rate:
                description: Tax rate (e.g., 0.16 for 16% IVA)
                example: 0.16
                type: number
                nullable: true
              type:
                description: Type of tax
                example: IVA
                type: string
                enum:
                  - IVA
                  - ISR
                  - IEPS
                  - null
                nullable: true
              withholding:
                type: boolean
                nullable: true
                example: false
                description: Whether this is a withholding tax
            nullable: true
        third_party:
          description: Third party information for items provided by external parties
          type: object
          additionalProperties: false
          properties:
            legal_name:
              description: Third party legal name
              example: Third Party SA
              type: string
              nullable: true
            tax_id:
              description: Third party RFC (tax ID)
              example: TPR800101ABC
              type: string
              nullable: true
            tax_system:
              description: Third party tax system
              example: '601'
              type: string
              nullable: true
            zip:
              description: Third party ZIP code
              example: '03100'
              type: string
              nullable: true
          nullable: true
        item_complement:
          description: CFDI item-level complement.
          type: object
          additionalProperties: false
          properties:
            hydrocarbons:
              description: >-
                Complemento de hidrocarburos. All four fields are required when
                this object is present.
              type: object
              additionalProperties: false
              required:
                - permit_type
                - permit_number
                - fuel_code
                - fuel_sub_product
              properties:
                permit_type:
                  example: PL/12345/EXP/ES/2020
                  type: string
                permit_number:
                  example: '12345'
                  type: string
                fuel_code:
                  example: PR03
                  type: string
                fuel_sub_product:
                  example: '10'
                  type: string
              nullable: true
          nullable: true
    AuthMiddlewareError:
      type: object
      description: >
        Raw error body produced by the authentication layer (before any endpoint
        runs). It is not

        the standardized envelope: there is no `success` and no `timestamp`.
      required:
        - message
      properties:
        message:
          type: string
          description: >-
            Human-readable reason. Some messages are in Spanish; branch on the
            HTTP status, not on this text.
          example: Unauthorized
        error:
          type: string
          description: >-
            OAuth error code. Present only when an OAuth access token was
            presented.
          enum:
            - invalid_token
            - token_expired
            - token_revoked
            - server_error
          example: token_expired
        error_description:
          type: string
          description: Same text as `message`. Present only alongside `error`.
          example: Access token has expired. Please refresh your token.
        details:
          description: >-
            Extra detail, e.g. `Invalid API Key` when a revoked key is rejected
            with `403`.
          oneOf:
            - type: string
            - type: object
          example: Invalid API Key
    UnauthorizedError:
      allOf:
        - $ref: '#/components/schemas/StandardErrorResponse'
      example:
        success: false
        error:
          code: unauthorized
          message: Unauthorized access
        timestamp: 1767225600000
  responses:
    Unauthorized:
      description: >
        Authentication failed. Two different bodies can come back with a `401`:


        1. **From the authentication layer**, before the endpoint runs: a raw
        object with
           `message` and — for OAuth access tokens only — `error` / `error_description`. It does
           **not** use the standardized envelope (`success` and `timestamp` are absent). Messages:
           `Unauthorized` (missing header, missing `Bearer ` prefix, unparseable token),
           `Unauthorized, missing team in token`, `Unauthorized, not a master team` and
           `Unauthorized, no matched teams` (gigstack Connect), `Invalid access token`,
           `Access token has expired. Please refresh your token.`, `Access token has been revoked`.
        2. **From the endpoint itself**: the standardized envelope with
        `error.code: unauthorized`.


        Branch on the HTTP status, not on the body shape.
      content:
        application/json:
          schema:
            anyOf:
              - $ref: '#/components/schemas/AuthMiddlewareError'
              - $ref: '#/components/schemas/UnauthorizedError'
          examples:
            missing_or_invalid_key:
              summary: Authentication layer — missing or unparseable API key
              value:
                message: Unauthorized
            oauth_token_expired:
              summary: Authentication layer — expired OAuth access token
              value:
                message: Access token has expired. Please refresh your token.
                error: token_expired
                error_description: Access token has expired. Please refresh your token.
            connect_not_master_team:
              summary: >-
                Authentication layer — `team` sent by a team without gigstack
                Connect
              value:
                message: Unauthorized, not a master team
            endpoint_envelope:
              summary: Endpoint — standardized envelope
              value:
                success: false
                error:
                  code: unauthorized
                  message: Unauthorized access
                timestamp: 1767225600000
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >
        **Authentication Method:** HTTP Bearer token.


        The runtime requires the literal `Bearer ` prefix — a bare token in the

        `Authorization` header is rejected with `401 unauthorized`.


        **Header Format:** `Authorization: Bearer YOUR_API_KEY`


        Your API key is a JWT. Live keys operate on live data (`livemode:
        true`);

        test keys operate on isolated test data (`livemode: false`).


        **Get your key at:**
        [app.gigstack.pro/settings?tab=api](https://app.gigstack.pro/settings?tab=api)


        **Errors:** credential failures are answered by the authentication layer
        with a raw

        `{ "message": … }` body, not the standardized envelope — `401` for a
        missing, malformed or

        expired token, `403` for a revoked key or a plan without API access. See
        the `Unauthorized`

        and `AuthForbidden` responses.

````

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