{"endpoint":"POST /api/cleared/witness","description":"Settlement Witness — verify x402 USDC settlements Cleared did not route. Issues attestation receipt + optional Harness ping.","stats":{"total":9,"last24h":3,"linkedOrigins":4},"pricing":{"certifiedHash":"$0.01","note":"Same attestation doctrine as Certified Hash — receipt, not insurance."},"networks":["base","solana","ethereum","polygon","arbitrum","optimism","avalanche"],"example":{"method":"POST","body":{"txHash":"0x… or Solana signature","network":"base","origin":"https://api.example.com","notify":true},"solana":{"txHash":"5xyz…","network":"solana","origin":"https://api.example.com"}},"events":{"perTx":"cleared.witness","aggregate":"cleared.witness.signal"},"disclosure":"Cleared witnessed this settlement on-chain. Cleared was not a party to the transaction."}