PAI Chat·Changelog
Changelog
Every change shipped to the PAI Chat, newest first. Features and fixes roll out continuously; breaking changes only land on a new major version.
21 Apr 2026
v2.1
add_circleFEATURE
Multi-modal attachments
The completions endpoint now accepts image and audio inputs through the new attachments reference. See the API reference for the attachment object.
02 Mar 2026
v2.0
warningBREAKING
Renamed completion → content
Response bodies now use content instead of completion to align with the other APIs. v1 continues to serve the old field until 31 Dec 2026.
04 Feb 2026
v2.0
add_circleFEATURE
Sentiment engine
Read the emotional register of a conversation in real time. Enable it by passing a sentiment object in the request.
18 Jan 2026
v1.4
build_circleFIX
Corrected retry headers
429 responses now include a Retry-After header as documented.
11 Nov 2025
v1.0
add_circleFEATURE
Initial release
The Chat API is generally available with a single completions endpoint and bearer-token authentication.