API versions
/v1 keeps the chat completions, responses and messages formats stable. /v5 is ZNSI’s native API. Older versions have been retired.
| Version | Launched | Status |
|---|---|---|
/v1 | 14 May 2024 | Current |
/v2 | 10 December 2024 | Retired 30 September 2025 |
/v3 | 14 March 2025 | Retired 31 January 2026 |
/v4 | 4 November 2025 | Retired 30 September 2026 |
/v5 | 18 June 2026 | Current |
A retired version answers 410 Gone with Deprecation and Sunset headers and a link to /v5.