API Problems
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Forbidden

Error response when the request is not allowed for the current project or configuration

The API returns a 403 Forbidden status with this problem type when the request is understood, but not allowed.

Response Format

{
  "type": "https://docs.tambo.co/reference/problems/forbidden",
  "status": 403,
  "title": "Forbidden",
  "detail": "Project does not allow overriding the system prompt with initial messages",
  "instance": "/threads"
}

Fields

  • type - Stable URI identifying this problem type
  • status - HTTP status code (always 403)
  • title - Short summary of the problem (always Forbidden)
  • detail - Human-readable description explaining why the request was rejected
  • instance - The specific request path that triggered this error

Handling

When you receive this error:

  1. Confirm your project configuration allows the operation you're attempting
  2. Update the request to comply with the current configuration (or change the configuration)
  3. Retry the request

See Also

Not Found

Error response when a requested resource does not exist

Conflict

Error response when the request cannot be completed due to the current state of the resource

On this page

Response FormatFieldsHandlingSee Also