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Telnyx Speech To Text over WebSockets API

Speech to text command operations

Telnyx Speech To Text over WebSockets API is one of 168 APIs that Telnyx publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Speech To Text over WebSockets. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 1 operation across 1 path, and defines 12 schemas. It is described by OpenAPI 3.1.0, at version 2.0.0.

Requests are made against a single base URL, https://api.telnyx.com/v2.

1 operations 1 paths 12 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
2.0.0
Base URL
https://api.telnyx.com/v2
Authentication
HTTP Bearer, HTTP Bearer, OAuth 2.0, HTTP Bearer, HTTP Bearer, HTTP Bearer
Resource Areas
1

Authentication & Security 6

Telnyx Speech To Text over WebSockets API declares 6 security schemes for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). It accepts HTTP bearer tokens (branded-calling_bearerAuth). It supports OAuth 2.0 (oauthClientAuth) using the authorizationCode and clientCredentials flows, exposing 1 scope. It accepts HTTP bearer tokens (JWT) (outbound-voice-profiles_bearerAuth). It accepts HTTP bearer tokens (pronunciation-dicts_bearerAuth). It accepts HTTP bearer tokens (JWT) (stored-payment-transactions_bearerAuth). By default, every request must be authenticated.

  • branded-calling_bearerAuth — API key passed as a Bearer token in the Authorization header
  • oauthClientAuth — OAuth 2.0 authentication for Telnyx API and MCP integrations
  • pronunciation-dicts_bearerAuth — Telnyx API v2 key. Obtain from https://portal.telnyx.com

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

Speech To Text over WebSockets 1

Speech to text command operations

GET
/speech-to-text/transcription
Speech to text over WebSocket
TranscriptionOverWs 9 params body → 101200400401422

Schemas 12

The contract defines 12 schemas that model the data the API accepts and returns. The most detailed are speech-to-text_Error (5 properties), TranscriptFrame (4 properties), SttErrorFrame (2 properties), speech-to-text_Errors (1 property). Each schema is shown below with its type and property counts.

SttClientEvent
string
Binary audio data in mp3 or wav format.
speech-to-text_Errors
object
1 property
google_models
string
speechmatics_models
string
SttServerEvent
Union of all server-to-client WebSocket events for STT streaming.
SttErrorFrame
object
Server-to-client frame indicating an error during transcription. The connection may be closed shortly after.
2 properties 2 required
azure_models
string
xai_models
string
TranscriptFrame
object
Server-to-client frame containing a transcription result.
4 properties 2 required
speech-to-text_Error
object
5 properties 2 required
telnyx_models
string
deepgram_models
string

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-speech-to-text-over-websockets-api-openapi.yml Raw ↑

Other APIs Telnyx publishes across the network.

Telnyx Access Tokens API
Telnyx Addresses API
Telnyx Advanced Number Orders API
Telnyx Assistants API
Telnyx Audio API
Telnyx Audit Logs API
Telnyx Authentication Providers API
Telnyx AutoRechargePreferences API
Telnyx Billing API
Telnyx Billing Groups API
Telnyx Brands API
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