Retell AI API · Endpoint removal
GET /get-chat-agent-versions/{} stops working
Stopped working
Calls to GET /get-chat-agent-versions/{} on Retell AI API stopped working on September 15, 2026.
What to use instead of these calls
Call GET /list-agent-versions/{agent_id} instead.
Calls it hits
GET /get-chat-agent-versions/{}
The following APIs are deprecated as of 09/15/2026. Migrate to the listed replacements.
Facts
- API
- Retell AI API
api.retellai.com - Kind
- Endpoint removal
- Takes effect
- September 15, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
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