Does a free ClearRun account include API access?

Yes. A signed-in free account with a verified email can create one developer key. It calls evaluate, score and chat, returns the free verdict, and spends the 30 monthly credits. Paste Check and signed-in chat do not use the key.

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What a free account can do

  • Score text you already have with Paste Check, while signed in.
  • Chat on the ClearRun site while signed in. Each reply is scored.
  • SDK mock mode, which needs no account.
  • Verdict lookups, which need no key.

The free developer key

  • One active key, created at api.clearrun.net/account/keys. It starts with crun_.
  • It calls evaluate, score and chat. The default cap is 2 requests a second, 6 a minute, 30 an hour and 40 a day. Over the cap, the route returns 429 and Retry-After.
  • The verdict is score, grade, risk and a summary. Component signals are Evidence support and Reasoning integrity.

Needs Pro or higher

  • Chain verification and audit export.
  • A key that is not a free developer key. On a free account that key gets 403 API_ACCESS_REQUIRED.

What free results show

Score, grade, risk and a summary of 16 words or fewer. Component signals are Evidence support and Reasoning integrity.