witnessd: /api/witness

witnessd · Ai

A neutral witness for the machine-readable web. Pay $0.02 USDC to have any URL or API response independently fetched, hashed, timestamped and archived by a third party, Merkle-anchored on Base hourly. Certified evidence retrieval ($0.05) for agent-commerce disputes. Certificates verify for free — by anyone, without trusting us.

ai
payment-native
x402-exact

Verified

Price and execution

Price: $0.02 USD credits / call
Trust tier: Verified
Execution: Managed call
Capability group: Ai

Interface snapshot

Protocol: HTTP operation
Operation: POST /api/witness
Interface artifact: sha256:8b1cec1e5d4bd48a889f9a22bf7419aaf2968a49e694a4ec1d123ff1fdf54b89
Manifest digest: sha256:d84f68918559fb92eb1c048236e660dc1139bf2632f93dbdef959fa6fd2b045b

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