Status, slot, fee, block time and transfer summary for a Solana transaction signature. Live.
Listing info 80/100
EXTERNALRecord a vehicle, equipment or stock sale and print a bill of sale with signature lines.
Listing info 75/100
EXTERNALCheck an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
Listing info 75/100
Verify a JSON Web Token's signature and claims against a shared secret (HS*) or a PEM public key (RS/ES/PS). Returns { valid, payload } on success or { valid: false, r…
Listing info 80/100
Payment receipt with transaction details
Listing info 80/100
Solana transaction fee — current lamports per signature for Solana network cost estimation — Ed25519 signed attestation
Listing info 80/100
EXTERNALSnag and defect lists at handover: every step marked, the failures listed, and a signature.
Listing info 75/100
Solana transaction status by signature: confirmed / failed / processing, slot, time, fee in SOL, signers, programs invoked and token balance changes.
Listing info 80/100
EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.
Listing info 80/100
EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.
Listing info 80/100
EXTERNALLob MCP — US address verification, bulk verification, and autocompletion
Listing info 75/100
EXTERNALNotarize, e-sign, and verify identity with the Proof API. Unofficial; not affiliated with Proof.
Listing info 75/100
Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works