{"uid":"cap_tOEQTe4xdGI69AVWioUDO","slug":"script-master-labs-ethereum-rpc-via-x402-c870c1dc","name":"Script Master Labs — Ethereum RPC via x402","description":"Pay-per-call crypto, RWA, federal, SEC, Section 8/HUD housing, and compliance APIs via x402. Primary: USDC on Base (eip155:8453). Also accepts Global Dollar (USDG) on Robinhood Chain (eip155:4663) via sovereign X-PAYMENT-TX. Hyphen routes only (e.g. /x402/gas-tracker, /x402/pha-lookup, /x402/sec-8k). MARKETPLACE REVIEW: use free /x402/playground/* (no key, no payment). Production /x402/* returns 402 unless paid via x402 or X-Api-Market-Key / X-API-Key from seller dashboard.","url":"https://mcp-x402.onrender.com/x402/eth-rpc","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"hash":{"type":"string"},"block":{"type":"string"},"method":{"type":"string"},"address":{"type":"string"}}}}},"output":{"properties":{"example":{}}}}},"responseSchema":{"example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g5ERTPbeynpjBCwevwFgM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides pay-per-call Ethereum JSON-RPC method execution, settled in USDC on Base via x402 micropayments.","exampleAgentPrompt":"Can you call the eth_getBalance RPC method for wallet address 0xABC...123 on Ethereum and tell me the current balance?","exampleUseCases":[{"title":"Check wallet ETH balance on-chain","prompt":"What's the current ETH balance for wallet address 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe? Call the Ethereum RPC to get the live on-chain balance."},{"title":"Look up transaction by hash","prompt":"Can you fetch the details of this Ethereum transaction — hash 0x5c504ed432cb51138bcf09aa5e8a410dd4a1e204ef84bfed1be16dfba1b22060 — and tell me its status and value?"},{"title":"Fetch latest Ethereum block info","prompt":"Get me the details of the latest Ethereum block — block number, timestamp, and transaction count — using the eth_getBlockByNumber RPC call."}],"resultDescription":"Returns the raw JSON-RPC response from the Ethereum node for the requested method, including fields such as balance, transaction details, block metadata, or contract return values depending on the method called.","failureModes":["Invalid or unsupported RPC method name returns an error response","Malformed address or hash parameter causes a bad request error","Payment not settled in USDC on Base results in 402 Payment Required","Block or transaction not found returns null or empty result","Network timeout or node unavailability causes a service error"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call Ethereum RPC access without a subscription, especially when your agent stack supports x402 micropayment settlement in USDC on Base. Ideal for low-frequency on-chain lookups where a full node subscription is overkill.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:57:08.611Z","isFirstParty":false}