release: 4.0.0

[stainless-app]

Automated Release PR

4.0.0 (2025-12-19)

Full Changelog: v3.17.0...v4.0.0

⚠ BREAKING CHANGES

• Resolved all codegen errors

Features

• PORT-4538 Fix ambiguous oneOf instances on porting service and documents (590e706)
• api: join all 10dlc operations into messaging_10dlc group (c600cff)
• api: manual updates (c0aefc7)
• api: manual updates (073b654)
• api: manual updates (6821aca)
• api: messaging_10dlc group with all their endpoints (0ed622e)
• api: reverted previous commit (f0fdff6)
• Document supervising leg of call (89c9c3d)
• DOTCOM-5179. Fix Redocly errors in outbound-voice-profiles.json (e64e8f9)
• Draft. DOTCOM-5184. Fix 44 errors in the spec as reported by Redocly on video (76c2bed)
• Engdesk 47920/wireless cleanup (8b5a65d)
• ENGDESK-47883: Fix all lint errors in telapps owned APIs (dbdb567)
• ENGDESK-47914 - fix warnings in numbers.json file (ab80c9d)
• ENGDESK-47935: Fixed unnecessary RegionIn schema (46c1a8d)
• ENGDESK-48016 - document simultaneous ringing for CredentialConnections (52e209d)
• hotfix: restore 10dlc prefixes (21299b3)
• Improve messaging API naming and navigation (ad2e6c6)
• messaging meta object with required fields (5cbe6fd)
• Msg 6152 (6e9ae3e)
• MSG-6140: Add SMS OTP endpoints for Sole Prop brands (26f930e)
• MSG-6145: OTP status endpoint (d0d0abc)
• port-4551: remove CustomerServiceRecordStatusChanged webhook doc (ef2ac27)
• PORT-4553: Add a discriminator to portout webhook (a746e1d)
• PORTAL-5787 - document query parameter to handle messaging service error (807ac22)
• TBS-3422: Fix redocly errors (08c8ca9)
• TELAPPS-47889 Add texml queue endpoint (907e417)
• TELAPPS-5428 Add speech-to-text WS endpoint (83c36ec)

Bug Fixes

• stainless: fixes the messsages typo (0dee0a1)
• use async_to_httpx_files in patch method (eb0dd4b)

Chores

• internal: add --fix argument to lint script (047839e)
• internal: add missing files argument to base client (ee23a70)
• Resolved all codegen errors (017a063)
• speedup initial import (f805b1e)

---

This pull request is managed by Stainless's GitHub App.

The semver version number is based on included commit messages. Alternatively, you can manually set the version number in the title of this pull request.

For a better experience, it is recommended to use either rebase-merge or squash-merge when merging this pull request.

🔗 Stainless website
📚 Read the docs
🙋 Reach out for help or questions

[stainless-app]

🧪 Testing

To try out this version of the SDK, run:

pip install 'https://pkg.stainless.com/s/telnyx-python/907e41726ef144aab5b65d5f91fd69ef9f457d54/telnyx-3.17.0-py3-none-any.whl'

Expires at: Sun, 18 Jan 2026 13:34:01 GMT
Updated at: Fri, 19 Dec 2025 13:34:01 GMT