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Telnyx Chat API

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Telnyx Chat API is one of 168 APIs that Telnyx publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Chat. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 3 operations across 3 paths, and defines 14 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.

3 operations 3 paths 14 schemas 1 GET2 POST

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 Chat 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 3

Across 3 paths, the API surfaces 3 operations — 1 GET, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Chat 3

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POST
/ai/chat/completionsdeprecated
Create a chat completion
chat_public_chat_completions_post body → 200422
GET
/ai/modelsdeprecated
Get available models
get_models_public_models_get → 200422
POST
/ai/summarize
Summarize file content
PostSummary body → 200422

Schemas 14

The contract defines 14 schemas that model the data the API accepts and returns. The most detailed are ChatCompletionRequest (26 properties), ModelMetadata (4 properties), SummaryRequest (3 properties), ValidationError (3 properties). Each schema is shown below with its type and property counts.

SummaryResponse
object
1 property 1 required
ModelMetadata
object
4 properties 3 required
BucketIds
object
2 properties 1 required
ChatCompletionSystemMessageParam
object
2 properties 2 required
ValidationError
object
3 properties 3 required
SummaryResponseData
object
1 property 1 required
ChatCompletionRequest
object
26 properties 1 required
Retrieval
object
2 properties 2 required
SummaryRequest
object
3 properties 2 required
ModelsResponse
object
2 properties 1 required
HTTPValidationError
object
1 property
ChatCompletionResponseFormatParam
object
1 property 1 required
ChatCompletionToolParam
object
2 properties 2 required
FunctionDefinition
object
3 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-chat-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
Telnyx Bucket SSL Certificate API