Verify an EIP-191 personal_sign or EIP-712 typed-data signature and recover the signer address from public inputs (message + signature). Verification/recovery only — n…
Listing info 80/100
EXTERNALSign Ethereum messages - EIP-191, EIP-712 typed data, Permit2, signature verification and recovery
Listing info 65/100
EXTERNALWebhook signature-verification audit. Stripe, GitHub, Shopify, Twilio +17. Local. Deterministic.
Listing info 70/100
Provably-fair draw from the drand beacon with the full verifiable receipt + nonce-binding (the free draw is at GET /random).
Listing info 80/100
EXTERNALCounter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.
Listing info 80/100
EXTERNALEvidence-backed web verification for agents with deterministic JSON, text evidence, and screenshots.
Listing info 65/100
EXTERNALFair-price checks, leaderboards, and Ed25519 receipt verification for x402/MPP services.
Listing info 65/100
EXTERNALVerifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).
Listing info 75/100
Decode transaction: status, receipt and decoded token transfers for any tx hash or Solana signature, read onchain. EVM (auto-detects Ethereum, Base, Arbitrum, Polygon)…
Listing info 80/100
Paid agent trust checks, receipt verification, research, data work, and monitoring.
Listing info 75/100
EXTERNALHand off AI work with a signed Verification Receipt — an independent verifier proves it runs.
Listing info 65/100
EXTERNALJapanese invoice/receipt OCR + tax registration-number (T-number) verification, via x402.
Listing info 75/100
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