Task

Base Rpc

30 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.

base-allowance x402 REST usage

ERC20 allowance on Base mainnet via RPC: how much a spender is approved to move from an owner balance, read with allowance(owner,spender) eth_call.

x402.agentindex.world Crypto & Payments 3 calls / 30d checked 2026-11-01

0.003 USDC per call per call

base-nft-owner x402 REST usage

Who owns this NFT? ERC721 owner lookup on Base mainnet via ownerOf(tokenId).

x402.agentindex.world Crypto & Payments 2 calls / 30d checked 2026-11-01

0.003 USDC per call per call

base-network-info x402 REST usage

Base mainnet network info in one call: chain ID, block height, and current gas price (wei and gwei).

x402.agentindex.world Other services 5 calls / 30d checked 2026-11-02

0.001 USDC per call per call

base-chain-id x402 REST usage

Base mainnet chain ID (EIP-155) via eth_chainId - confirm which network you're actually talking to.

x402.agentindex.world Other services 5 calls / 30d checked 2026-11-02

0.001 USDC per call per call

Crypto Microdata for Agents x402 REST

Live Korea kimchi premium: Upbit KRW vs global USD for BTC and ETH, plus USD/KRW FX. Korea crypto arb/sentiment signal. Optional symbols=BTC,ETH filter. Alias: /kr/kimchi-premium.

kr-x402-mvp.kgy5612.workers.dev Data & Finance checked 2026-11-02

0.002 USDC per call per call

Base RPC Telemetry & Gas Export x402 REST

Base RPC telemetry & decoded receipt parser: Base gas fees, EIP-3009/ERC-20 decoded logs, calldata selector & tx receipt exporter (tx-receipt-decoded-json) ($0.75 USDC). Input: tx_hash or window_blocks.

amber-maple-3b054208.tunnl.gg Dev & Code checked 2026-10-29

0.75 USDC per call per call

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