Busker Signature Verifier
Verify EVM signatures offline: EIP-191 personal messages, EIP-712 typed data, and x402/EIP-3009 payment authorizations (paste a raw Payment-Signature header) — recover…
Listing info 80/100
Verify EVM signatures offline: EIP-191 personal messages, EIP-712 typed data, and x402/EIP-3009 payment authorizations (paste a raw Payment-Signature header) — recover…
Listing info 80/100
Tenant-free metered signed-verification rail. Pay per call in USDC over x402/a2a/mpp/ap2 across 12 mainnet lanes: mined-tx lanes weld the challenge into the tx note/me…
Listing info 50/100
Verify an Ethereum signature: a personal_sign (EIP-191) message or EIP-712 typed data. Recovers the signer address and, if you pass one, confirms it matches. Local com…
Listing info 80/100
E-signature API: send documents for signature, track envelopes, get signed files.
Listing info 75/100
Reconcile payment and receipt fields
Listing info 70/100
Verify a CryptoVar Black-Scholes VaR artifact by replaying its parameters, result and audit proof. 0.10 USDC. Returns valid true/false and the expected SHA-256 proof. …
Listing info 80/100
Create a delivery acknowledgement
Listing info 50/100
Goods receipt notes vs purchase orders: tolerances, damaged/short units, CSV export.
Listing info 75/100
Register an event callback address
Listing info 50/100
Extract receipt text into validated JSON using local Ollama. 0.01 USDC per receipt.
Listing info 80/100
Bind consistent protocol receipt commitments into one auditable bundle
Listing info 80/100
AU GST/ABN receipt extraction — assigns entertainment/ITC tax codes per line, not just OCR.
Listing info 75/100
Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works