v4.65.0

4.65.0 (2026-09-18)

Features

• api: add agent session model settings (#1008) (fcedbfe)
• api: add audio-mini model choices (#1011) (15d4081)
• api: add managed Responses WebSocket connections (#1013) (a5c9165)
• api: add prompt-cache prewarming (#1017) (b55e165)
• api: add webhook endpoint management (#1020) (7a9d90a)

Bug Fixes

• keep API keys within the request origin (#1021) (337efe5)

Chores

• api: clarify incoming SIP call ID usage (#1010) (e849eae)
• api: update image request examples (#1019) (81f7f83)

Build System

• cache R8 compatibility transformations (#1014) (44e42ae)