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Telnyx Messaging API

The Messaging API from Telnyx — 8 operation(s) for messaging.

Telnyx Messaging API is one of 169 APIs that Telnyx publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

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

This API exposes 11 operations across 8 paths, and defines 15 schemas. It is described by OpenAPI 3.2.0, at version 2.0.0.

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

11 operations 8 paths 15 schemas 1 DELETE7 GET1 PATCH2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
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 Messaging 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 11

Across 8 paths, the API surfaces 11 operations — 1 DELETE, 7 GET, 1 PATCH, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Messaging 11
GET
/alphanumeric_sender_ids
List alphanumeric sender IDs
ListAlphanumericSenderIds 3 params → 200401422
POST
/alphanumeric_sender_ids
Create an alphanumeric sender ID
CreateAlphanumericSenderId body → 201401422
DELETE
/alphanumeric_sender_ids/{id}
Delete an alphanumeric sender ID
DeleteAlphanumericSenderId 1 param → 200401404
GET
/alphanumeric_sender_ids/{id}
Retrieve an alphanumeric sender ID
GetAlphanumericSenderId 1 param → 200401404
GET
/messaging_hosted_numbers
List messaging hosted numbers
ListMessagingHostedNumbers 6 params → 200401
GET
/messaging_hosted_numbers/{id}
Retrieve a messaging hosted number
GetMessagingHostedNumber 1 param → 200401404
PATCH
/messaging_hosted_numbers/{id}
Update a messaging hosted number
UpdateMessagingHostedNumber 1 param body → 200401404
GET
/messaging_profile_metrics
List high-level messaging profile metrics
GetProfileMetrics 1 param → 200400401
POST
/messaging_profiles/{id}/actions/regenerate_secret
Regenerate messaging profile secret
RegenerateMessagingProfileSecret 1 param → 200401404
GET
/messaging_profiles/{id}/alphanumeric_sender_ids
List alphanumeric sender IDs for a messaging profile
ListProfileAlphanumericSenderIds 3 params → 200401404
GET
/messaging_profiles/{id}/metrics
Get detailed messaging profile metrics
GetDetailedProfileMetrics 2 params → 200400401404

Schemas 15

The contract defines 15 schemas that model the data the API accepts and returns. The most detailed are MessagingProfile (26 properties), PhoneNumberWithMessagingSettings (15 properties), AlphanumericSenderId (6 properties), NumberPoolSettings (5 properties). Each schema is shown below with its type and property counts.

CreateAlphanumericSenderIdRequest
object
3 properties 2 required
ProfileMetricsHighLevel
object
High-level metrics summary for a messaging profile.
messaging_Error
object
5 properties 2 required
messaging_PaginationMeta
object
4 properties 4 required
NumberHealthMetrics
object
High level health metrics about the number and it's messaging sending patterns.
4 properties 4 required
UpdatePhoneNumberMessagingSettingsRequest
object
3 properties
NumberPoolSettings
objectnull
Number Pool allows you to send messages from a pool of numbers of different types, assigning weights to each type. The pool consists of all the long code and t…
5 properties 3 required
MessagingFeatureSet
objectnull
The set of features available for a specific messaging use case (SMS or MMS). Features can vary depending on the characteristics the phone number, as well as i…
3 properties 3 required
MessagingMetricsTimeFrame
string
The time frame for metrics aggregation.
PhoneNumberWithMessagingSettings
object
15 properties
MessagingProfile
object
26 properties
AlphanumericSenderId
object
6 properties
ProfileMetrics
object
Detailed metrics for a messaging profile.
UrlShortenerSettings
objectnull
The URL shortener feature allows automatic replacement of URLs that were generated using a public URL shortener service. Some examples include bit.do, bit.ly,…
4 properties 1 required
messaging_Errors
object
1 property

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-messaging-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
Where this information came from

This is an independent, third-party profile of Telnyx Messaging API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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