# API Problems
URL: /reference/problems

import LearnMore from "@/components/learn-more";

When a Tambo Cloud API request fails, the response body follows a structured problem format with a `type` URI, human-readable `title`, HTTP `status` code, and a `detail` message explaining what went wrong. Each error type is documented below with its causes and how to resolve it.

<LearnMore title="Validation Error" description="Error response when a request fails input validation" href="/reference/problems/validation" />

<LearnMore title="Not Found" description="Error response when a requested resource does not exist" href="/reference/problems/not-found" />

<LearnMore title="Forbidden" description="Error response when the request is not allowed for the current project or configuration" href="/reference/problems/forbidden" />

<LearnMore title="Conflict" description="Error response when the request cannot be completed due to the current state of the resource" href="/reference/problems/conflict" />

<LearnMore title="Endpoint Deprecated" description="Error response when calling a deprecated API endpoint" href="/reference/problems/endpoint-deprecated" />