Task

Riddle Answer

1 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Riddle with checkable answer x402 REST usage

One riddle by difficulty, in English or Spanish, with the answer AND the SHA-256 of the answer in lowercase. The hash is the point: an agent can check whether its guess is right without reading the solution first, which...

flat-rate-llm.kikoribera03.workers.dev Search & Research 2 calls / 30d checked 2026-10-26

0.005 USDC per call per call

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