MARKET MONITOR / CATALOGUE Services 129,773 MCP listed 40,207 x402 89,633 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-28 · 3 sources
Provider

sendcheck-x402.pennyforge.workers.dev

sendcheck-x402.pennyforge.workers.dev · 3 listed services · provider site

sendcheck x402 REST usage

SendCheck: pre-send verification of any EVM address on one chain (EIP-55 checksum, wallet-vs-contract, outgoing activity, balances, verdict). POST {address, chain}

sendcheck-x402.pennyforge.workers.dev Crypto & Payments 6 calls / 30d checked 2026-10-28
0.01 USDC per call per call

Check x402 REST

SendCheck: pre-send verification of any EVM address on one chain (EIP-55 checksum, wallet-vs-contract, outgoing activity, balances, verdict). POST {address, chain}

sendcheck-x402.pennyforge.workers.dev Geo & Maps checked 2026-10-28
0.01 USDC per call per call

Deep x402 REST

SendCheck deep scan: the same verification across all 5 chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection. POST {address, chain}

sendcheck-x402.pennyforge.workers.dev Crypto & Payments checked 2026-10-28
0.05 USDC per call per call

Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.