{"uid":"cap_rhv3gy4RXctE232baDovU","slug":"grants-gov-new-federal-funding-opportunities-feed-fcfe382a","name":"Grants.gov New Federal Funding Opportunities Feed","description":"Newly posted federal funding opportunities from Grants.gov since a timestamp, with agency, opportunity number, CFDA codes, open/close dates, and link. For grant-seeking and government-affairs agents.","url":"https://oracles-production.up.railway.app/v1/grants/changes","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":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","maximum":500,"minimum":1},"since":{"type":"string","format":"date-time","description":"Only changes detected after this ISO-8601 instant"},"min_significance":{"type":"integer","maximum":10,"minimum":1,"description":"Keep only changes scored at least this"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"count":{"type":"integer"},"source":{"type":"string"},"changes":{"type":"array","items":{"type":"object","properties":{"type":{"type":"string"},"title":{"type":"string"},"detail":{"type":"object"},"summary":{"type":"string"},"entityId":{"type":"string"},"sourceUrl":{"type":["string","null"],"description":"Primary-source link for verification"},"detectedAt":{"type":"string","format":"date-time"},"significance":{"type":"integer","maximum":10,"minimum":1},"effectiveDate":{"type":["string","null"]}}}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8pLt5pWZ_XeDDQ_u_ziFL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns newly posted federal grant opportunities from Grants.gov since a given timestamp, including agency, opportunity number, CFDA codes, open/close dates, significance score, and source link.","exampleAgentPrompt":"Can you pull all new federal grant opportunities posted on Grants.gov since 2025-01-01T00:00:00Z, limit to 50 results, and only show ones with a significance score of at least 6?","exampleUseCases":null,"resultDescription":"A JSON object containing a count of matched changes, the source name, and an array of grant opportunity change objects — each with a title, entityId, type, summary, detail object (agency, opportunity number, CFDA codes, open/close dates), significance score (1-10), detectedAt timestamp, effectiveDate, and a primary-source URL back to Grants.gov for verification.","failureModes":["Missing or malformed 'since' parameter returns empty or error response","since timestamp in future returns zero results","limit exceeding 500 returns validation error","Invalid date-time format for 'since' causes 400 bad request","min_significance out of range (below 1 or above 10) returns validation error","Payment not provided or insufficient USDC balance causes 402 Payment Required","Grants.gov upstream downtime may cause delayed or missing data"],"whenToPreferThis":"Use this endpoint when you need to monitor or detect newly posted federal grant opportunities from Grants.gov in near-real-time, especially when building grant-seeking workflows, government-affairs monitoring pipelines, or alerting systems. Prefer this over general web search when you need structured, machine-readable grant data with significance scoring and direct source links. Best suited for periodic polling (e.g. daily or hourly) to catch new opportunities since a known checkpoint timestamp.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:02:19.474Z","isFirstParty":false}