openapi: 3.1.0
info:
  contact:
    email: support@telnyx.com
  description: Telnyx provides global communications and connectivity APIs for developers — including SIP trunking, programmable voice, SMS, MMS, WhatsApp Business Messaging, Call Control, Fax, Wireless (IoT & eSIM), Phone Numbers (DID provisioning & porting), Emergency Services, and Network APIs for private interconnects and edge connectivity. Build, scale, and manage voice, messaging, and data networks with Telnyx's carrier-grade global infrastructure and API-first platform.
  title: Telnyx Access Tokens Invoices API
  version: 2.0.0
  x-endpoint-cost: light
servers:
- description: Version 2.0.0 of the Telnyx API
  url: https://api.telnyx.com/v2
security:
- bearerAuth: []
tags:
- name: Invoices
paths:
  /invoices:
    get:
      description: Retrieve a paginated list of invoices.
      operationId: ListInvoices
      parameters:
      - description: Specifies the sort order for results.
        in: query
        name: sort
        required: false
        schema:
          enum:
          - period_start
          - -period_start
          example: period_start
          type: string
      - description: 'Consolidated page parameter (deepObject style). Originally: page[number], page[size]'
        explode: true
        in: query
        name: page
        schema:
          properties:
            number:
              default: 1
              description: The page number to load
              minimum: 1
              type: integer
            size:
              default: 20
              description: The size of the page
              maximum: 250
              minimum: 1
              type: integer
          type: object
        style: deepObject
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    items:
                      $ref: '#/components/schemas/Invoice'
                    type: array
                  meta:
                    properties:
                      page_number:
                        example: 1
                        type: integer
                      page_size:
                        example: 20
                        type: integer
                      total_pages:
                        example: 1
                        type: integer
                      total_results:
                        example: 20
                        type: integer
                    type: object
                type: object
          description: List of invoices
        '403':
          $ref: '#/components/responses/invoice_ForbiddenErrorResponse'
        default:
          $ref: '#/components/responses/invoice_GenericErrorResponse'
      summary: List invoices
      x-latency-category: responsive
      tags:
      - Invoices
  /invoices/{id}:
    get:
      description: Retrieve a single invoice by its unique identifier.
      operationId: GetInvoiceById
      parameters:
      - description: Invoice UUID
        in: path
        name: id
        required: true
        schema:
          format: uuid
          type: string
      - description: Invoice action
        in: query
        name: action
        required: false
        schema:
          enum:
          - json
          - link
          example: json
          type: string
      responses:
        '200':
          $ref: '#/components/responses/InvoiceDetailResponse'
        '400':
          $ref: '#/components/responses/BadRequestErrorResponse'
        '403':
          $ref: '#/components/responses/invoice_ForbiddenErrorResponse'
        '404':
          $ref: '#/components/responses/invoice_NotFoundErrorResponse'
        default:
          $ref: '#/components/responses/invoice_GenericErrorResponse'
      summary: Get invoice by ID
      x-latency-category: responsive
      tags:
      - Invoices
components:
  schemas:
    Invoice:
      properties:
        file_id:
          example: 454ea3b0-9eaa-4fa9-992e-6d9f31c0a37e
          format: uuid
          type: string
        invoice_id:
          example: 48eff763-ea80-4345-b688-78249eb165a8
          format: uuid
          type: string
        paid:
          example: true
          type: boolean
        period_end:
          example: '2023-11-30'
          format: date
          type: string
        period_start:
          example: '2023-11-01'
          format: date
          type: string
        url:
          example: https://api.telnyx.com:443/v2/invoices/48eff763-ea80-4345-b688-78249eb165a8
          format: uri
          type: string
      type: object
    invoice_Error:
      properties:
        code:
          type: string
        detail:
          type: string
        meta:
          additionalProperties: true
          type: object
        source:
          properties:
            parameter:
              description: Indicates which query parameter caused the error.
              type: string
            pointer:
              description: JSON pointer (RFC6901) to the offending entity.
              type: string
          type: object
        title:
          type: string
      required:
      - code
      - title
      type: object
    invoice_Errors:
      properties:
        errors:
          items:
            $ref: '#/components/schemas/invoice_Error'
          type: array
      type: object
    InvoiceDetail:
      properties:
        download_url:
          description: Present only if the query parameter `action=link` is set.
          example: https://us-east-1.telnyxstorage.com/porting-documents/telnyx/...
          format: uri
          type: string
        file_id:
          example: 454ea3b0-9eaa-4fa9-992e-6d9f31c0a37e
          format: uuid
          type: string
        invoice_id:
          example: 48eff763-ea80-4345-b688-78249eb165a8
          format: uuid
          type: string
        paid:
          example: true
          type: boolean
        period_end:
          example: '2023-11-30'
          format: date
          type: string
        period_start:
          example: '2023-11-01'
          format: date
          type: string
        url:
          example: https://api.telnyx.com:443/v2/invoices/48eff763-ea80-4345-b688-78249eb165a8
          format: uri
          type: string
      type: object
  responses:
    invoice_GenericErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/invoice_Errors'
      description: Unexpected error
    BadRequestErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/invoice_Errors'
      description: Invalid request parameters
    InvoiceDetailResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                $ref: '#/components/schemas/InvoiceDetail'
            type: object
      description: Get invoice details
    invoice_NotFoundErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/invoice_Errors'
      description: Invoice not found
    invoice_ForbiddenErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/invoice_Errors'
      description: Insufficient permissions to access invoices
  securitySchemes:
    bearerAuth:
      scheme: bearer
      type: http
    branded-calling_bearerAuth:
      description: API key passed as a Bearer token in the Authorization header
      scheme: bearer
      type: http
    oauthClientAuth:
      description: OAuth 2.0 authentication for Telnyx API and MCP integrations
      flows:
        authorizationCode:
          authorizationUrl: https://api.telnyx.com/v2/oauth/authorize
          refreshUrl: https://api.telnyx.com/v2/oauth/token
          scopes:
            admin: Administrative access to Telnyx resources
          tokenUrl: https://api.telnyx.com/v2/oauth/token
        clientCredentials:
          scopes:
            admin: Administrative access to Telnyx resources
          tokenUrl: https://api.telnyx.com/v2/oauth/token
      type: oauth2
    outbound-voice-profiles_bearerAuth:
      bearerFormat: JWT
      scheme: bearer
      type: http
    pronunciation-dicts_bearerAuth:
      description: Telnyx API v2 key. Obtain from https://portal.telnyx.com
      scheme: bearer
      type: http
    stored-payment-transactions_bearerAuth:
      bearerFormat: JWT
      scheme: bearer
      type: http