{"uid":"cap_XwhLhlI1eImhY0xB1BD4n","slug":"scriptmasterlabs-base-rpc-endpoint-3900a1fc","name":"ScriptMasterLabs Base RPC Endpoint","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-discovery.onrender.com/x402/base-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_6mdRT-dtcqnDrnB-oURY7","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 access to Base blockchain RPC data (transactions, blocks, addresses) via the x402 micropayment protocol","exampleAgentPrompt":"Can you look up the transaction details for hash 0xabc123... on the Base blockchain and tell me its status and the block it was included in?","exampleUseCases":[{"title":"Transaction status verification on Base","prompt":"I sent a USDC transfer on Base — can you check if transaction 0xdeadbeef... went through, what block it landed in, and how many confirmations it has?"},{"title":"Wallet balance check on Base","prompt":"What's the current ETH balance for wallet address 0x1234abcd... on the Base network?"},{"title":"Block data inspection","prompt":"Pull the full block data for block number 18500000 on Base — I want to see the transaction count and timestamp."}],"resultDescription":"Returns raw RPC response data from the Base blockchain node, including transaction details (status, block number, gas used), block information (hash, timestamp, transaction list), or account data (balance, nonce) depending on the query parameters supplied.","failureModes":["402 Payment Required if x402 payment or valid API key not provided","Invalid transaction hash returns empty or error response","Unsupported RPC method returns error","Rate limiting if payment not processed correctly","Network congestion may delay response from Base node"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call access to Base blockchain RPC data without committing to a monthly RPC provider subscription. Ideal for agents that occasionally need to check on-chain state on Base (eip155:8453) and want to pay micro-amounts in USDC per query rather than managing API keys from Alchemy or Infura.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:54:54.500Z","isFirstParty":false}