{"uid":"cap_5WScQTXEXhSebIHbs39_G","slug":"script-master-labs-x402-grants-search-api-ab8e5399","name":"Script Master Labs — x402 Grants Search API","description":"Live U.S. federal grant search (Grants.gov Search2). Pay 0.001 USDC on Base using the fresh PAYMENT-REQUIRED challenge and caller-authorized PAYMENT-SIGNATURE.","url":"https://mcp-x402.onrender.com/x402/grants?utm_source=zero.xyz","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":["keyword"],"properties":{"rows":{"type":"integer","default":10,"maximum":50,"minimum":1},"keyword":{"type":"string","description":"Search keywords or CFDA/assistance-listing number."}}}}},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object"}}}}},"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":{"p10Cents":"0.1000","medianCents":"0.1000","p90Cents":"0.1000","minCents":"0.1000","maxCents":"0.1000","p95Cents":"0.1000","sampleCount":1,"varies":false,"failureChargeRate":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_wASrex1C-oI4ptDicVRMf","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":"Search U.S. federal grants data by keyword or CFDA number, paid per-call in USDC via x402","exampleAgentPrompt":"Search U.S. federal grants for 'renewable energy' and return the top 10 results — I want to see grant names, CFDA numbers, and funding agencies.","exampleUseCases":null,"resultDescription":"A list of U.S. federal grant records matching the keyword or CFDA number, including grant program names, CFDA identifiers, sponsoring agencies, and descriptions. The number of returned rows is configurable.","failureModes":["Missing required 'keyword' parameter returns a 400 or validation error","Payment not settled in USDC via x402 results in 402 Payment Required","Invalid CFDA number format may return zero results","No matching grants found for obscure or misspelled keywords returns empty result set","Service unavailable on Render free-tier cold start may cause timeout"],"whenToPreferThis":"Use this endpoint when you need to search U.S. federal grant opportunities by topic keyword or CFDA number and are willing to pay $0.02 USDC per call via x402 on Base. Prefer this over web scraping when you need structured federal grant data programmatically and want a simple pay-per-call model without API key management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T06:45:33.683Z","isFirstParty":false,"canonicalSlug":"script-master-labs-x402-grants-search-api-ab8e5399"}