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 Connections 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: Connections operations
  name: Connections
paths:
  /connections:
    get:
      description: Returns a list of your connections irrespective of type.
      operationId: ListConnections
      parameters:
      - $ref: '#/components/parameters/connections_FilterConsolidated'
      - $ref: '#/components/parameters/connections_PageConsolidated'
      - $ref: '#/components/parameters/connections_SortConnection'
      responses:
        '200':
          $ref: '#/components/responses/ListConnectionsResponse'
        '400':
          $ref: '#/components/responses/connections_BadRequestResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
      summary: List connections
      tags:
      - Connections
      x-endpoint-cost: medium
      x-group-parameters: 'true'
      x-latency-category: responsive
  /connections/{id}:
    get:
      description: Retrieves the high-level details of an existing connection. To retrieve specific authentication information, use the endpoint for the specific connection type.
      operationId: RetrieveConnection
      parameters:
      - description: IP Connection ID
        in: path
        name: id
        required: true
        schema:
          type: string
      responses:
        '200':
          $ref: '#/components/responses/ConnectionResponse'
        '400':
          $ref: '#/components/responses/connections_BadRequestResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/connections_NotFoundResponse'
      summary: Retrieve a connection
      tags:
      - Connections
      x-latency-category: responsive
components:
  responses:
    connections_BadRequestResponse:
      content:
        application/json:
          examples:
            missingParameter:
              value:
                errors:
                - code: '10015'
                  detail: The request failed because it was not well-formed.
                  meta:
                    url: https://developers.telnyx.com/docs/overview/errors/10015
                  source:
                    pointer: /
                  title: Bad Request
          schema:
            $ref: '#/components/schemas/ErrorResponse'
      description: Bad request, the request was unacceptable, often due to missing a required parameter.
    connections_NotFoundResponse:
      content:
        application/json:
          examples:
            notFound:
              value:
                errors:
                - code: '10005'
                  detail: The requested resource or URL could not be found.
                  meta:
                    url: https://developers.telnyx.com/docs/overview/errors/10005
                  source:
                    pointer: /
                  title: Resource not found
          schema:
            $ref: '#/components/schemas/ErrorResponse'
      description: The requested resource doesn't exist.
    connections_UnauthorizedResponse:
      content:
        application/json:
          examples:
            notAuthorized:
              value:
                errors:
                - code: '10010'
                  detail: You are not authorized to access the requested resource.
                  meta:
                    url: https://developers.telnyx.com/docs/overview/errors/10010
                  source:
                    pointer: /
                  title: Not authorized
          schema:
            $ref: '#/components/schemas/ErrorResponse'
      description: The user doesn't have the required permissions to perform the requested action.
    UnauthenticatedResponse:
      content:
        application/json:
          examples:
            Authentication Failed:
              value:
                errors:
                - code: '10009'
                  detail: Could not understand the provided credentials.
                  meta:
                    url: https://developers.telnyx.com/docs/overview/errors/10009
                  title: Authentication failed
          schema:
            $ref: '#/components/schemas/ErrorResponse'
      description: Unauthorized
    ListConnectionsResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                items:
                  $ref: '#/components/schemas/Connection'
                type: array
              meta:
                $ref: '#/components/schemas/connections_PaginationMeta'
            title: List Connections Response
            type: object
      description: Successful response with a list of connections.
    ConnectionResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                $ref: '#/components/schemas/Connection'
            title: Connection Response
            type: object
      description: Successful response with details about a connection.
  parameters:
    connections_FilterConsolidated:
      description: 'Consolidated filter parameter (deepObject style). Originally: filter[connection_name], filter[fqdn], filter[outbound_voice_profile_id], filter[outbound.outbound_voice_profile_id]'
      explode: true
      in: query
      name: filter
      schema:
        properties:
          connection_name:
            description: Filter by connection_name using nested operations
            properties:
              contains:
                default: null
                description: If present, connections with <code>connection_name</code> containing the given value will be returned. Matching is not case-sensitive. Requires at least three characters.
                type: string
            type: object
          fqdn:
            default: null
            description: If present, connections with an `fqdn` that equals the given value will be returned. Matching is case-sensitive, and the full string must match.
            type: string
          outbound_voice_profile_id:
            description: Identifies the associated outbound voice profile.
            example: '1293384261075731499'
            type: string
            x-format: int64
        type: object
      style: deepObject
    connections_SortConnection:
      description: "Specifies the sort order for results. By default sorting direction is ascending. To have the results sorted in descending order add the <code> -</code> prefix.<br/><br/>\nThat is: <ul>\n  <li>\n    <code>connection_name</code>: sorts the result by the\n    <code>connection_name</code> field in ascending order.\n  </li>\n\n  <li>\n    <code>-connection_name</code>: sorts the result by the\n    <code>connection_name</code> field in descending order.\n  </li>\n</ul> <br/> If not given, results are sorted by <code>created_at</code> in descending order."
      in: query
      name: sort
      schema:
        default: created_at
        enum:
        - created_at
        - connection_name
        - active
        example: connection_name
        type: string
    connections_PageConsolidated:
      description: 'Consolidated page parameter (deepObject style). Originally: page[size], page[number]'
      explode: true
      in: query
      name: page
      schema:
        properties:
          number:
            default: 1
            description: The page number to load
            minimum: 1
            type: integer
          size:
            default: 250
            description: The size of the page
            maximum: 250
            minimum: 1
            type: integer
        type: object
      style: deepObject
  schemas:
    AnchorsiteOverride:
      default: Latency
      description: '`Latency` directs Telnyx to route media through the site with the lowest round-trip time to the user''s connection. Telnyx calculates this time using ICMP ping messages. This can be disabled by specifying a site to handle all media.'
      enum:
      - Latency
      - Chicago, IL
      - Ashburn, VA
      - San Jose, CA
      - Sydney, Australia
      - Amsterdam, Netherlands
      - London, UK
      - Toronto, Canada
      - Vancouver, Canada
      - Frankfurt, Germany
      example: Amsterdam, Netherlands
      title: Anchorsite Override
      type: string
    ErrorResponse:
      properties:
        errors:
          items:
            properties:
              code:
                type: string
              detail:
                type: string
              meta:
                properties:
                  url:
                    format: uri
                    type: string
                type: object
              source:
                properties:
                  pointer:
                    type: string
                type: object
              title:
                type: string
            type: object
          type: array
      type: object
    connections_PaginationMeta:
      properties:
        page_number:
          example: 2
          type: integer
        page_size:
          example: 25
          type: integer
        total_pages:
          example: 3
          type: integer
        total_results:
          example: 55
          type: integer
      title: Pagination Meta
      type: object
    connections_OutboundVoiceProfileId:
      description: Identifies the associated outbound voice profile.
      example: '1293384261075731499'
      title: Outbound Voice Profile ID
      type: string
      x-format: int64
    Connection:
      example:
        active: true
        anchorsite_override: Latency
        connection_name: string
        created_at: '2018-02-02T22:25:27.521Z'
        id: 6a09cdc3-8948-47f0-aa62-74ac943d6c58
        outbound_voice_profile_id: '1293384261075731499'
        record_type: ip_connection
        updated_at: '2018-02-02T22:25:27.521Z'
        webhook_api_version: '1'
        webhook_event_failover_url: https://failover.example.com
        webhook_event_url: https://example.com
      properties:
        active:
          description: Defaults to true
          example: true
          type: boolean
        anchorsite_override:
          $ref: '#/components/schemas/AnchorsiteOverride'
        connection_name:
          example: string
          type: string
        created_at:
          description: ISO 8601 formatted date indicating when the resource was created.
          example: '2018-02-02T22:25:27.521Z'
          type: string
        id:
          description: Identifies the specific resource.
          example: 6a09cdc3-8948-47f0-aa62-74ac943d6c58
          type: string
          x-format: int64
        outbound_voice_profile_id:
          $ref: '#/components/schemas/connections_OutboundVoiceProfileId'
        record_type:
          description: Identifies the type of the resource.
          example: ip_connection
          type: string
        tags:
          description: Tags associated with the connection.
          example:
          - tag1
          - tag2
          items:
            type: string
          type: array
        updated_at:
          description: ISO 8601 formatted date indicating when the resource was updated.
          example: '2018-02-02T22:25:27.521Z'
          type: string
        webhook_api_version:
          default: '1'
          description: Determines which webhook format will be used, Telnyx API v1 or v2.
          enum:
          - '1'
          - '2'
          example: '1'
          type: string
        webhook_event_failover_url:
          default: ''
          description: The failover URL where webhooks related to this connection will be sent if sending to the primary URL fails.
          example: https://failover.example.com
          format: uri
          type:
          - string
          - 'null'
        webhook_event_url:
          default: null
          description: The URL where webhooks related to this connection will be sent.
          example: https://example.com
          format: uri
          type:
          - string
          - 'null'
      title: Connection
      type: object
  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