For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.

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Documentation API Reference MCP SDKs CLI (new)What's New?

Documentation API Reference MCP SDKs CLI (new)What's New?

API reference
Assistants
Squads
Calls
Chats
Campaigns
Sessions
Phone Numbers
Tools
Files
Structured Outputs
Insight
Board
Eval
Observability Scorecard
Provider Resources
Analytics
- POSTCreate Analytics Queries
Webhooks
- POSTServer Message
- POSTClient Message
- Swagger
- OpenAPI

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Delete Assistant Id Versions Version

DELETE

https://api.vapi.ai/assistant/:id/versions/:version

DELETE

/assistant/:id/versions/:version

$ curl -X DELETE https://api.vapi.ai/assistant/id/versions/version

Deletes the specified assistant version.

Path parameters

idstringRequired

versionstringRequired

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Patch Assistant Id Versions Version