Telnyx

Telnyx is a private-IP cloud communications platform offering voice (SIP / programmable), SMS, MMS, fax, number management, IoT SIM, AI inference, and authentication APIs.

9 APIs 0 Features

CommunicationsCPaaSVoiceSMSIoT

APIs

Telnyx Voice API

Programmable voice calling, conferencing, recording, transcription and TeXML.

Telnyx Messaging API

SMS, MMS, RCS and number-pool messaging globally.

Telnyx Numbers API

Search, order, port, and manage phone numbers worldwide.

Telnyx Verify API

OTP/2FA verification via SMS, voice and flash call.

Telnyx Fax API

Programmable T.38 and IP fax.

Telnyx Wireless API

Wireless SIMs and private LTE networks for IoT.

Telnyx Networking API

WireGuard, private networks and cross-connect provisioning.

Telnyx AI API

AI assistants, streaming chat completions, speech, and embeddings.

Telnyx Billing & Reporting API

Billing, payments, notifications and usage reporting.

Resources

Sources

aid: telnyx
url: https://raw.githubusercontent.com/api-evangelist/telnyx/refs/heads/main/apis.yml
name: Telnyx
x-type: company
description: Telnyx is a private-IP cloud communications platform offering voice (SIP / programmable), SMS, MMS, fax, number
  management, IoT SIM, AI inference, and authentication APIs.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- Communications
- CPaaS
- Voice
- SMS
- IoT
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- name: Telnyx Voice API
  description: Programmable voice calling, conferencing, recording, transcription and TeXML.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - Voice
  - Calling
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx Messaging API
  description: SMS, MMS, RCS and number-pool messaging globally.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - SMS
  - Messaging
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx Numbers API
  description: Search, order, port, and manage phone numbers worldwide.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - Numbers
  - Provisioning
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx Verify API
  description: OTP/2FA verification via SMS, voice and flash call.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - Verify
  - 2FA
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx Fax API
  description: Programmable T.38 and IP fax.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - Fax
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx Wireless API
  description: Wireless SIMs and private LTE networks for IoT.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - Wireless
  - IoT
  - SIM
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx Networking API
  description: WireGuard, private networks and cross-connect provisioning.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - Networking
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx AI API
  description: AI assistants, streaming chat completions, speech, and embeddings.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - AI
  - LLM
  - Speech
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
- name: Telnyx Billing & Reporting API
  description: Billing, payments, notifications and usage reporting.
  humanURL: https://developers.telnyx.com/api
  baseURL: https://api.telnyx.com/v2
  tags:
  - Billing
  - Reporting
  properties:
  - type: Documentation
    url: https://developers.telnyx.com/api
  - type: OpenAPI
    url: openapi/telnyx-openapi.yml
common:
- type: Website
  url: https://telnyx.com/
- type: Plans
  url: plans/telnyx-plans-pricing.yml
- type: RateLimits
  url: rate-limits/telnyx-rate-limits.yml
- type: FinOps
  url: finops/telnyx-finops.yml
maintainers:
- FN: Kin Lane
  email: [email protected]