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 Call Control Applications 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: Call Control applications operations
  name: Call Control Applications
paths:
  /call_control_applications:
    get:
      description: Return a list of call control applications.
      operationId: ListCallControlApplications
      parameters:
      - $ref: '#/components/parameters/call-control_FilterConsolidated'
      - $ref: '#/components/parameters/call-control_PageConsolidated'
      - $ref: '#/components/parameters/SortConnection'
      responses:
        '200':
          $ref: '#/components/responses/ListCallControlApplicationsResponse'
        '400':
          description: Bad request
        '401':
          $ref: '#/components/responses/UnauthorizedResponse'
        '404':
          description: Resource not found
      summary: List call control applications
      tags:
      - Call Control Applications
      x-endpoint-cost: medium
      x-group-parameters: 'true'
      x-latency-category: interactive
    post:
      description: Create a call control application.
      operationId: CreateCallControlApplication
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateCallControlApplicationRequest'
        description: Create call control application request.
        required: true
      responses:
        '201':
          $ref: '#/components/responses/CallControlApplicationResponse'
        '422':
          description: Bad Request
      summary: Create a call control application
      tags:
      - Call Control Applications
      x-endpoint-cost: medium
      x-latency-category: interactive
  /call_control_applications/{id}:
    delete:
      description: Deletes a call control application.
      operationId: DeleteCallControlApplication
      parameters:
      - description: Identifies the resource.
        in: path
        name: id
        required: true
        schema:
          example: '1293384261075731499'
          type: string
          x-format: int64
      responses:
        '200':
          $ref: '#/components/responses/CallControlApplicationResponse'
        '401':
          $ref: '#/components/responses/UnauthorizedResponse'
        '404':
          description: Resource not found
        '422':
          description: Bad request
      summary: Delete a call control application
      tags:
      - Call Control Applications
      x-latency-category: interactive
    get:
      description: Retrieves the details of an existing call control application.
      operationId: RetrieveCallControlApplication
      parameters:
      - description: Identifies the resource.
        in: path
        name: id
        required: true
        schema:
          example: '1293384261075731499'
          type: string
          x-format: int64
      responses:
        '200':
          $ref: '#/components/responses/CallControlApplicationResponse'
        '401':
          $ref: '#/components/responses/UnauthorizedResponse'
        '404':
          description: Resource not found
        '422':
          description: Bad request
      summary: Retrieve a call control application
      tags:
      - Call Control Applications
      x-latency-category: interactive
    patch:
      description: Updates settings of an existing call control application.
      operationId: UpdateCallControlApplication
      parameters:
      - description: Identifies the resource.
        in: path
        name: id
        required: true
        schema:
          example: '1293384261075731499'
          type: string
          x-format: int64
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateCallControlApplicationRequest'
        description: Update call control application request.
        required: true
      responses:
        '200':
          $ref: '#/components/responses/CallControlApplicationResponse'
        '401':
          $ref: '#/components/responses/UnauthorizedResponse'
        '404':
          description: Resource not found
        '422':
          description: Bad request
      summary: Update a call control application
      tags:
      - Call Control Applications
      x-latency-category: interactive
components:
  schemas:
    UpdateCallControlApplicationRequest:
      example:
        active: false
        anchorsite_override: Latency
        application_name: call-router
        call_cost_in_webhooks: true
        dtmf_type: Inband
        first_command_timeout: true
        first_command_timeout_secs: 10
        inbound:
          channel_limit: 10
          shaken_stir_enabled: true
          sip_subdomain: example
          sip_subdomain_receive_settings: only_my_connections
        outbound:
          channel_limit: 10
          outbound_voice_profile_id: '1293384261075731499'
        redact_dtmf_debug_logging: true
        webhook_api_version: '1'
        webhook_event_failover_url: https://failover.example.com
        webhook_event_url: https://example.com
        webhook_timeout_secs: 25
      properties:
        active:
          default: true
          description: Specifies whether the connection can be used.
          type: boolean
        anchorsite_override:
          default: Latency
          description: '<code>Latency</code> 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
          - London, UK
          - Chennai, IN
          - Amsterdam, Netherlands
          - Toronto, Canada
          - Sydney, Australia
          example: Amsterdam, Netherlands
          type: string
        application_name:
          description: A user-assigned name to help manage the application.
          example: call-router
          type: string
        call_cost_in_webhooks:
          default: false
          description: Specifies if call cost webhooks should be sent for this Call Control Application.
          type: boolean
        dtmf_type:
          default: RFC 2833
          description: Sets the type of DTMF digits sent from Telnyx to this Connection. Note that DTMF digits sent to Telnyx will be accepted in all formats.
          enum:
          - RFC 2833
          - Inband
          - SIP INFO
          example: Inband
          type: string
        first_command_timeout:
          default: false
          description: Specifies whether calls to phone numbers associated with this connection should hangup after timing out.
          example: true
          type: boolean
        first_command_timeout_secs:
          default: 30
          description: Specifies how many seconds to wait before timing out a dial command.
          example: 10
          type: integer
        inbound:
          $ref: '#/components/schemas/CallControlApplicationInbound'
        outbound:
          $ref: '#/components/schemas/CallControlApplicationOutbound'
        redact_dtmf_debug_logging:
          default: false
          description: When enabled, DTMF digits entered by users will be redacted in debug logs to protect PII data entered through IVR interactions.
          example: true
          type: boolean
        tags:
          description: Tags assigned to the Call Control Application.
          example:
          - tag1
          - tag2
          items:
            type: string
          type: array
        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. Must include a scheme, such as 'https'.
          example: https://failover.example.com
          format: url
          type:
          - string
          - 'null'
        webhook_event_url:
          description: The URL where webhooks related to this connection will be sent. Must include a scheme, such as 'https'.
          example: https://example.com
          format: url
          type: string
        webhook_timeout_secs:
          default: null
          description: Specifies how many seconds to wait before timing out a webhook.
          example: 25
          maximum: 30
          minimum: 0
          type:
          - integer
          - 'null'
      required:
      - application_name
      - webhook_event_url
      title: Update Call Control Application Request
      type: object
    CallControlApplicationOutbound:
      properties:
        channel_limit:
          default: null
          description: When set, this will limit the total number of outbound calls to phone numbers associated with this connection.
          example: 10
          type: integer
        outbound_voice_profile_id:
          description: Identifies the associated outbound voice profile.
          example: '1293384261075731499'
          type: string
          x-format: int64
      title: Call Control Application Outbound
      type: object
    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
      type: object
    CallControlApplicationInbound:
      properties:
        channel_limit:
          default: null
          description: When set, this will limit the total number of inbound calls to phone numbers associated with this connection.
          example: 10
          type: integer
        shaken_stir_enabled:
          default: false
          description: When enabled Telnyx will include Shaken/Stir data in the Webhook for new inbound calls.
          example: false
          type: boolean
        sip_subdomain:
          default: null
          description: 'Specifies a subdomain that can be used to receive Inbound calls to a Connection, in the same way a phone number is used, from a SIP endpoint. Example: the subdomain "example.sip.telnyx.com" can be called from any SIP endpoint by using the SIP URI "sip:@example.sip.telnyx.com" where the user part can be any alphanumeric value. Please note TLS encrypted calls are not allowed for subdomain calls.'
          example: example
          type: string
        sip_subdomain_receive_settings:
          default: from_anyone
          description: 'This option can be enabled to receive calls from: "Anyone" (any SIP endpoint in the public Internet) or "Only my connections" (any connection assigned to the same Telnyx user).'
          enum:
          - only_my_connections
          - from_anyone
          example: only_my_connections
          type: string
      title: Call Control Application Inbound
      type: object
    CreateCallControlApplicationRequest:
      example:
        active: false
        anchorsite_override: Latency
        application_name: call-router
        call_cost_in_webhooks: true
        dtmf_type: Inband
        first_command_timeout: true
        first_command_timeout_secs: 10
        inbound:
          channel_limit: 10
          shaken_stir_enabled: true
          sip_subdomain: example
          sip_subdomain_receive_settings: only_my_connections
        outbound:
          channel_limit: 10
          outbound_voice_profile_id: '1293384261075731499'
        redact_dtmf_debug_logging: true
        webhook_api_version: '1'
        webhook_event_failover_url: https://failover.example.com
        webhook_event_url: https://example.com
        webhook_timeout_secs: 25
      properties:
        active:
          default: true
          description: Specifies whether the connection can be used.
          type: boolean
        anchorsite_override:
          default: Latency
          description: '<code>Latency</code> 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
          - London, UK
          - Chennai, IN
          - Amsterdam, Netherlands
          - Toronto, Canada
          - Sydney, Australia
          example: Amsterdam, Netherlands
          type: string
        application_name:
          description: A user-assigned name to help manage the application.
          example: call-router
          type: string
        call_cost_in_webhooks:
          default: false
          description: Specifies if call cost webhooks should be sent for this Call Control Application.
          type: boolean
        dtmf_type:
          default: RFC 2833
          description: Sets the type of DTMF digits sent from Telnyx to this Connection. Note that DTMF digits sent to Telnyx will be accepted in all formats.
          enum:
          - RFC 2833
          - Inband
          - SIP INFO
          example: Inband
          type: string
        first_command_timeout:
          default: false
          description: Specifies whether calls to phone numbers associated with this connection should hangup after timing out.
          example: true
          type: boolean
        first_command_timeout_secs:
          default: 30
          description: Specifies how many seconds to wait before timing out a dial command.
          example: 10
          type: integer
        inbound:
          $ref: '#/components/schemas/CallControlApplicationInbound'
        outbound:
          $ref: '#/components/schemas/CallControlApplicationOutbound'
        redact_dtmf_debug_logging:
          default: false
          description: When enabled, DTMF digits entered by users will be redacted in debug logs to protect PII data entered through IVR interactions.
          example: true
          type: boolean
        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. Must include a scheme, such as 'https'.
          example: https://failover.example.com
          format: url
          type:
          - string
          - 'null'
        webhook_event_url:
          description: The URL where webhooks related to this connection will be sent. Must include a scheme, such as 'https'.
          example: https://example.com
          format: url
          type: string
        webhook_timeout_secs:
          default: null
          description: Specifies how many seconds to wait before timing out a webhook.
          example: 25
          maximum: 30
          minimum: 0
          type:
          - integer
          - 'null'
      required:
      - application_name
      - webhook_event_url
      title: Create Call Control Application Request
      type: object
    CallControlApplication:
      example:
        active: false
        anchorsite_override: Latency
        application_name: call-router
        call_cost_in_webhooks: false
        created_at: '2018-02-02T22:25:27.521Z'
        dtmf_type: Inband
        first_command_timeout: true
        first_command_timeout_secs: 10
        id: '1293384261075731499'
        inbound:
          channel_limit: 10
          shaken_stir_enabled: true
          sip_subdomain: example
          sip_subdomain_receive_settings: only_my_connections
        outbound:
          channel_limit: 10
          outbound_voice_profile_id: '1293384261075731499'
        record_type: call_control_application
        redact_dtmf_debug_logging: true
        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
        webhook_timeout_secs: 25
      properties:
        active:
          default: true
          description: Specifies whether the connection can be used.
          type: boolean
        anchorsite_override:
          default: Latency
          description: '<code>Latency</code> 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
          - London, UK
          - Chennai, IN
          - Amsterdam, Netherlands
          - Toronto, Canada
          - Sydney, Australia
          example: Amsterdam, Netherlands
          type: string
        application_name:
          description: A user-assigned name to help manage the application.
          example: call-router
          type: string
        call_cost_in_webhooks:
          default: false
          description: Specifies if call cost webhooks should be sent for this Call Control Application.
          type: boolean
        created_at:
          description: ISO 8601 formatted date of when the resource was created
          example: '2018-02-02T22:25:27.521Z'
          type: string
        dtmf_type:
          default: RFC 2833
          description: Sets the type of DTMF digits sent from Telnyx to this Connection. Note that DTMF digits sent to Telnyx will be accepted in all formats.
          enum:
          - RFC 2833
          - Inband
          - SIP INFO
          example: Inband
          type: string
        first_command_timeout:
          default: false
          description: Specifies whether calls to phone numbers associated with this connection should hangup after timing out.
          example: true
          type: boolean
        first_command_timeout_secs:
          default: 30
          description: Specifies how many seconds to wait before timing out a dial command.
          example: 10
          type: integer
        id:
          example: '1293384261075731499'
          type: string
          x-format: int64
        inbound:
          $ref: '#/components/schemas/CallControlApplicationInbound'
        outbound:
          $ref: '#/components/schemas/CallControlApplicationOutbound'
        record_type:
          default: call_control_application
          enum:
          - call_control_application
          type: string
        redact_dtmf_debug_logging:
          default: false
          description: When enabled, DTMF digits entered by users will be redacted in debug logs to protect PII data entered through IVR interactions.
          example: true
          type: boolean
        tags:
          description: Tags assigned to the Call Control Application.
          items:
            type: string
          type: array
        updated_at:
          description: ISO 8601 formatted date of when the resource was last 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. Must include a scheme, such as `https`.
          example: https://failover.example.com
          format: url
          type:
          - string
          - 'null'
        webhook_event_url:
          description: The URL where webhooks related to this connection will be sent. Must include a scheme, such as `https`.
          example: https://example.com
          format: url
          type: string
        webhook_timeout_secs:
          default: null
          example: 25
          maximum: 30
          minimum: 0
          type:
          - integer
          - 'null'
      title: Call Control Application
      type: object
    call-control_Error:
      properties:
        code:
          format: integer
          type: string
        detail:
          type: string
        meta:
          type: object
        source:
          properties:
            parameter:
              description: Indicates which query parameter caused the error.
              type: string
            pointer:
              description: JSON pointer (RFC6901) to the offending entity.
              format: json-pointer
              type: string
          type: object
        title:
          type: string
      required:
      - code
      - title
    call-control_Errors:
      properties:
        errors:
          items:
            $ref: '#/components/schemas/call-control_Error'
          type: array
  parameters:
    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
      required: false
      schema:
        default: created_at
        enum:
        - created_at
        - connection_name
        - active
        example: connection_name
        type: string
    call-control_FilterConsolidated:
      description: 'Consolidated filter parameter (deepObject style). Originally: filter[application_name][contains], filter[outbound.outbound_voice_profile_id], filter[leg_id], filter[application_session_id], filter[connection_id], filter[product], filter[failed], filter[from], filter[to], filter[name], filter[type], filter[occurred_at][eq/gt/gte/lt/lte], filter[status]'
      explode: true
      in: query
      name: filter
      schema:
        properties:
          application_name:
            additionalProperties: false
            description: Application name filters
            properties:
              contains:
                default: 'null'
                description: If present, applications with <code>application_name</code> containing the given value will be returned. Matching is not case-sensitive. Requires at least three characters.
                type: string
            type: object
          application_session_id:
            description: The unique identifier of the call session. A session may include multiple call leg events.
            format: uuid
            type: string
          connection_id:
            description: The unique identifier of the conection.
            type: string
          failed:
            description: Delivery failed or not.
            example: false
            type: boolean
          from:
            description: Filter by From number.
            example: '+12025550142'
            type: string
          leg_id:
            description: The unique identifier of an individual call leg.
            format: uuid
            type: string
          name:
            description: If present, conferences will be filtered to those with a matching `name` attribute. Matching is case-sensitive
            type: string
          occurred_at:
            additionalProperties: false
            description: Event occurred_at filters
            properties:
              eq:
                description: 'Event occurred_at: equal'
                example: '2019-03-29T11:10:00Z'
                type: string
              gt:
                description: 'Event occurred_at: greater than'
                example: '2019-03-29T11:10:00Z'
                type: string
              gte:
                description: 'Event occurred_at: greater than or equal'
                example: '2019-03-29T11:10:00Z'
                type: string
              lt:
                description: 'Event occurred_at: lower than'
                example: '2019-03-29T11:10:00Z'
                type: string
              lte:
                description: 'Event occurred_at: lower than or equal'
                example: '2019-03-29T11:10:00Z'
                type: string
            type: object
          outbound.outbound_voice_profile_id:
            description: Identifies the associated outbound voice profile.
            example: '1293384261075731499'
            type: string
            x-format: int64
          product:
            description: Filter by product.
            enum:
            - call_control
            - fax
            - texml
            example: texml
            type: string
          status:
            description: If present, conferences will be filtered by status.
            enum:
            - init
            - in_progress
            - completed
            type: string
          to:
            description: Filter by To number.
            example: '+12025550142'
            type: string
          type:
            description: Event type
            enum:
            - command
            - webhook
            example: webhook
            type: string
        type: object
      style: deepObject
    call-control_PageConsolidated:
      description: 'Consolidated page parameter (deepObject style). Originally: page[after], page[before], page[limit], page[size], page[number]'
      explode: true
      in: query
      name: page
      schema:
        properties:
          after:
            default: 'null'
            description: Opaque identifier of next page
            type: string
          before:
            default: 'null'
            description: Opaque identifier of previous page
            type: string
          limit:
            default: 20
            description: Limit of records per single page
            maximum: 250
            minimum: 1
            type: integer
          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:
    ListCallControlApplicationsResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                items:
                  $ref: '#/components/schemas/CallControlApplication'
                type: array
              meta:
                $ref: '#/components/schemas/PaginationMeta'
            title: List Call Control Applications Response
            type: object
      description: Successful response with a list of call control applications.
    CallControlApplicationResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                $ref: '#/components/schemas/CallControlApplication'
            title: Call Control Application Response
            type: object
      description: Successful response with details about a call control application.
    UnauthorizedResponse:
      content:
        application/json:
          example:
            errors:
            - code: '10009'
              detail: The required authentication headers were either invalid or not included in the request.
              meta:
                url: https://developers.telnyx.com/docs/overview/errors/10009
              title: Authentication failed
          schema:
            $ref: '#/components/schemas/call-control_Errors'
      description: Unauthorized. Authentication failed - the required authentication headers were either invalid or not included in the request.
  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