Run your first request

Choose a model, create an API key, and call CometAPI

Follow a short, testable path from model selection to a verified response, with focused guides for contract and error checks.

request-check.md
1POST /v1/chat/completions
2verify auth header
3confirm model route
4record fallback behavior
1Choose a current model
2Create a scoped API key
3Run and verify a request

Three practical entry points

Move from model choice to a verified CometAPI request

Start with the task blocking you now, then use the contract and error checks before sending production traffic.

Choose

Find the model for your workload

Check current model availability and choose the route you will actually test.

Open the model catalog
Validate

Run a contract smoke test

Confirm the endpoint, response fields, finish reason, and usage shape.

Use the request checklist
Troubleshoot

Read an error without guessing

Separate status, request shape, model selection, and retry decisions.

Open the error workflow

Start with these guides

Three focused paths to a working request

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How to Smoke-test the CometAPI Chat Completion Contract

A practical operator guide to smoke-testing the CometAPI chat completions endpoint contract — covering setup assumptions, happy-path and error-path request plans, minimum assertions, pass/fail log fields, and areas to verify against official docs.