crypto-hash
Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 183 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 7 (directory's own records)
- Paid calls, last 30 days
- 9
- Category
- Blockchain reads
- Address
- https://api.agentstools.dev/crypto/hash
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/44d22bb1a879.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).