Task

Multi Chain

52 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Evm receipt x402 REST usage

Transaction receipt — did it succeed, what did it cost, what did it emit — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-27

0.003 USDC per call per call

wallet-and-gas-lookup x402 REST usage

One call replaces wallet-balance and gas reads across Base, Ethereum, Polygon, Arbitrum and Optimism. Returns native and USDC balances, current blocks, fees and Base x402 payment readiness. One signature instead of ten p...

x402.agentindex.world Crypto & Payments 1 calls / 30d checked 2026-10-29

0.001 USDC per call per call

x402-crosschain-gas x402 REST

Stop opening five explorers to price one transaction: one GET returns what each chain is charging for gas right now — for base, eth, arbitrum, optimism and polygon: the current gas price in gwei (with the raw wei the RPC...

x402-catalog-history.ai-business-surface.workers.dev Crypto & Payments checked 2026-10-29

0.001 USDC per call per call

Agent Extraction API x402 REST

Base or Ethereum contract address -> ABI and function list: Sourcify verification (exact/partial match), contract name, compiler, ABI, function selectors + signatures, event topics; proxies (EIP-1967, ZeppelinOS, others...

freetier-agent-api.pages.dev Crypto & Payments checked 2026-10-29

0.002 USDC per call per call

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