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 Regions 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:
- description: Regions
  name: Regions
paths:
  /regions:
    get:
      description: List all regions and the interfaces that region supports
      operationId: ListRegions
      responses:
        '200':
          $ref: '#/components/responses/RegionListResponse'
        '422':
          $ref: '#/components/responses/netapps_GenericErrorResponse'
        default:
          $ref: '#/components/responses/netapps_GenericErrorResponse'
      summary: List all Regions
      tags:
      - Regions
      x-latency-category: responsive
components:
  schemas:
    netapps_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
    netapps_Region:
      properties:
        code:
          description: A code for the region.
          example: ashburn-va
          type: string
        created_at:
          description: ISO 8601 formatted date-time indicating when the resource was created.
          example: '2018-02-02T22:25:27.521Z'
          readOnly: true
          type: string
        name:
          description: A name for the region.
          example: Ashburn
          type: string
        record_type:
          description: Identifies the type of the resource.
          example: region
          readOnly: true
          type: string
        supported_interfaces:
          description: List of interface types supported in this region.
          items:
            example: wireguard_interface
            type: string
          type: array
        updated_at:
          description: ISO 8601 formatted date-time indicating when the resource was updated.
          example: '2018-02-02T22:25:27.521Z'
          readOnly: true
          type: string
      title: Region
      type: object
    netapps_Errors:
      properties:
        errors:
          items:
            $ref: '#/components/schemas/netapps_Error'
          type: array
      type: object
  responses:
    RegionListResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                items:
                  $ref: '#/components/schemas/netapps_Region'
                type: array
            type: object
      description: Successful response
    netapps_GenericErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/netapps_Errors'
      description: Unexpected error
  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