OpenAI API mTLS and X.509 workload identity federation are GA
GAVerifiedAdded Sep 22, 2026
Mutual TLS and X.509 workload identity federation can be configured in the Platform console, with access governed by organization roles and permissions, enabling keyless authentication.
Topics: Security, Developer tools
Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.
More OpenAI API releases
Every OpenAI API release| Date | Release | Type |
|---|---|---|
| Sep 1 | OpenAI API supports IPv6 connections to api.openai.com Update | Update |
| Aug 26 | OpenAI deprecates whisper-1 and gpt-4o transcribe models, shutdown February 26, 2027 Deprecation | Deprecation |
| Sep 2 | OpenAI API separates slow_down 429s from server_is_overloaded 503s Update | Update |
| Sep 3 | OpenAI releases GPT-6 Astra for complex end-to-end work Update | Update |
| Sep 3 | OpenAI Responses API adds async tool calling and mid-turn steering for GPT-6 Astra Update | Update |
| Aug 24 | Advancing price-performance for developers with GPT‑5.6 in Kiro Update | Update |
| Aug 21 | OpenAI API adds per-request regional processing via prefixed domains Update | Update |
| Aug 21 | OpenAI cuts GPT-5.6 Sol pricing to $4 input and $20 output per MTok Pricing | Pricing |
