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Packagist · #4207 most downloaded on Packagist
Official Telnyx PHP SDK — APIs for Voice, SMS, MMS, WhatsApp, Fax, SIP Trunking, Wireless IoT, Call Control, and more. Build global communications on Telnyx's private carrier-grade network.
Last release 12 days ago
25 Sep 2026
Ships on a steady schedule
a new release about every 2 weeks
Most releases are documented
notes for 41 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
7 years old
229 releases · first in 2019
CW-2881 publish wireless VoLTE docs to prod
TELAPPS-ENGDESK-49737 Add prevent_double_bridge param to dial
Full Changelog: v6.69.0...v6.70.0
One column per quarter.
MSG-6418: remove flashcall from hosted number verification codes endpoint
Full Changelog: v6.68.0...v6.69.0
messaging: Add wait_seconds to message response schemas
Full Changelog: v6.67.0...v6.68.0
Changing a tag for filebased STT endpoint
Full Changelog: v6.65.0...v6.66.0 ### Features * api: manual updates
Full Changelog: v6.64.0...v6.65.0 ### Features * api: manual updates
Full Changelog: v6.63.0...v6.64.0 ### Features * api: manual updates
remove deprecated TeXML API endpoints from OpenAPI spec
Full Changelog: v6.62.0...v6.63.0
$_ENV aware getenv helper (652eab5)actions/checkout version (2ef1687)Full Changelog: v6.60.0...v6.61.0 ### Features * api: manual updates
Full Changelog: v6.59.0...v6.60.0 ### Features * api: manual updates
Full Changelog: v6.58.0...v6.59.0 ### Features * api: manual updates
[TDA-6425] Add Session Analysis API spec to public docs
Full Changelog: v6.57.0...v6.58.0
AI-2106: Add invite tool schema to inference OpenAPI spec
Full Changelog: v6.56.0...v6.57.0
Full Changelog: v6.55.0...v6.56.0 ### Features * api: manual updates
Full Changelog: v6.54.0...v6.55.0 ### Features * api: manual updates (336cd2c) * api: manual updates
Full Changelog: v6.54.0...v6.55.0
Add TTS file-based endpoint spec
Full Changelog: v6.53.0...v6.54.0
Full Changelog: v6.52.0...v6.53.0 ### Features * api: manual updates
Full Changelog: v6.51.0...v6.52.0 ### Features * api: manual updates (6a1fd0b) ### Chores * bring back other changes
Full Changelog: v6.51.0...v6.52.0
Full Changelog: v6.50.0...v6.51.0 ### Features * api: manual updates
TELAPPS-ENGDESK-48951 add channels to conf record start
Full Changelog: v6.49.0...v6.50.0
Full Changelog: v6.48.0...v6.49.0 ### Features * api: manual updates
Add text-to-speech WebSocket streaming OpenAPI spec
Full Changelog: v6.47.0...v6.48.0
Full Changelog: v6.46.0...v6.47.0 ### Features * api: manual updates
PORTAL-5923: Add stored_payment_transactions endpoint to OpenAPI docs
Full Changelog: v6.45.0...v6.46.0
TELAPPS Add prevent_double_bridge to bridge command
Full Changelog: v6.44.0...v6.45.0
Full Changelog: v6.43.0...v6.44.0 ### Features * api: manual updates
Add missing TTS voice settings schemas and update voice descriptions
Full Changelog: v6.42.0...v6.43.0
Full Changelog: v6.41.4...v6.42.0 ### Features * api: manual updates
OAS drift — toll-free-verification.json (messaging-tf-verify)
Full Changelog: v6.41.3...v6.41.4
OAS drift — 10dlc.json (messaging-campaign-registry)
Full Changelog: v6.41.2...v6.41.3
OAS drift — messaging.json (messaging-settings + messaging-outbound)
Full Changelog: v6.41.1...v6.41.2
Full Changelog: v6.41.0...v6.41.1 ### Bug Fixes * StringFormatNotSupported
move unsupported string formats to x-format
Full Changelog: v6.40.0...v6.41.0
Full Changelog: v6.39.0...v6.40.0 ### Features * fix-stainless-sdk-timeout
Full Changelog: v6.38.0...v6.39.0 ### Features * api: manual updates
TELAPPS Add ApplicationSid param
Full Changelog: v6.36.0...v6.37.0 ### Features * api: manual updates
Full Changelog: v6.35.0...v6.36.0 ### Features * api: manual updates
add service_provider_login_url to authentication provider settings
Full Changelog: v6.34.0...v6.35.0
TELAPPS Add interim_results to deepgram config
Full Changelog: v6.33.0...v6.34.0
Full Changelog: v6.32.0...v6.33.0 ### Features * api: manual updates
Full Changelog: v6.31.0...v6.32.0 ### Features * api: manual updates
Full Changelog: v6.30.0...v6.31.0 ### Features * api: manual updates
Full Changelog: v6.29.0...v6.30.0 ### Features * api: manual updates (640e094) * api: manual updates
Full Changelog: v6.29.0...v6.30.0
AI-2093: Add language_boost to MiniMax voice settings
Full Changelog: v6.28.0...v6.29.0
release: add packagist trigger on published release
Full Changelog: v6.27.0...v6.28.0
Add smart encoding fields to messaging API spec
Full Changelog: v6.26.0...v6.27.0
Full Changelog: v6.25.0...v6.26.0 ### Features * api: manual updates
Full Changelog: v6.24.0...v6.25.0 ### Features * api: manual updates
Full Changelog: v6.23.0...v6.24.0 ### Features * api: manual updates
Align transfer tool AMD spec with portal: premium mode, drop continue actions
Full Changelog: v6.22.0...v6.23.0
Add Minimax and Resemble voice providers for speak commands
Full Changelog: v6.21.0...v6.22.0
AI-2090: Add skip_turn tool type to assistant config schema
Full Changelog: v6.20.0...v6.21.0
Add Label parameter to Dial Conference Participant endpoint
Full Changelog: v6.19.0...v6.20.0
ENGDESK-49554: Add quail_voice_focus to noise suppression engine enums
Full Changelog: v6.18.0...v6.19.0
Full Changelog: v6.17.0...v6.18.0 ### Features * api: manual updates
Full Changelog: v6.16.0...v6.17.0 ### Features * api: manual updates
api: manual updates to include models
AI-2086: Add AI Missions endpoints to inference spec
Full Changelog: v6.14.0...v6.15.0
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