{"uid":"cap_lysmaQfu54dcRk3-ZrR39","slug":"x402-factory-federal-contract-awards-delta-bcb15dbe","name":"x402-factory Federal Contract Awards Delta","description":"Only the federal contract awards changed since your cursor (delta of /v1/contrac — Keyset delta of /v1/contracts/awards: pass since=<next_cursor from your last call> and get only the federal contract awards added or changed after it, plus changed_count and a new next_cursor. Omit since once to bootstrap. Cursors are stable across restarts. Poll the free sibling /v1/contracts/awards/changes for…","url":"https://x402-factory.com/v1/contracts/awards/delta","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","required":[],"properties":{"since":{"type":"string","maxLength":300,"minLength":4,"description":"Opaque cursor from a previous next_cursor; omit once to bootstrap a cursor at now"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data","meta"],"properties":{"data":{"type":"object","required":["rows","changed_count","next_cursor","as_of"],"properties":{"rows":{"type":"array","items":{"type":"object","required":["id","vendor","agency","sub_agency","description","value_usd","award_date"],"properties":{"id":{"type":"string"},"agency":{"type":"string"},"vendor":{"type":"string"},"value_usd":{"type":"number"},"award_date":{"type":"string"},"sub_agency":{"anyOf":[{"type":"string"},{"type":"null"}]},"description":{"type":"string"}},"additionalProperties":false}},"as_of":{"type":"string"},"next_cursor":{"type":"string"},"changed_count":{"type":"integer","maximum":9007199254740991,"minimum":0}},"additionalProperties":false},"meta":{"type":"object"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_imhKB3-__Uli7gZHb-343","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns only federal contract awards added or changed since a given cursor, enabling efficient incremental polling without re-fetching the full dataset.","exampleAgentPrompt":"Check for any new or updated federal contract awards since my last cursor — use the next_cursor from my previous call to fetch only the delta, and tell me how many changed and what the new cursor is.","exampleUseCases":[{"title":"Daily government contract sync pipeline","prompt":"Every morning, fetch only the federal contract awards that were added or changed since yesterday's cursor and update our procurement database with the new records."},{"title":"Alert on new agency contracts","prompt":"Poll for new federal contract awards since my last checkpoint and alert me if any awards from the Department of Defense exceed $10 million."},{"title":"Bootstrap incremental contract tracking","prompt":"I've never called this before — start fresh and give me a new cursor so I can begin tracking federal contract award changes going forward without downloading the full history."}],"resultDescription":"Returns a JSON object containing an array of changed/new federal contract award rows (each with id, vendor, agency, sub_agency, description, value_usd, and award_date), a changed_count integer indicating how many records changed, an as_of timestamp, and a next_cursor opaque string for the subsequent incremental call.","failureModes":["Invalid or expired cursor in 'since' parameter returns an error or resets to current state","Missing required fields in response if upstream data source is temporarily unavailable","Rate limiting or payment failure (x402 micropayment not processed) blocks the request","Stale cursor from a very old call may not be honored, requiring a fresh bootstrap"],"whenToPreferThis":"Choose this endpoint when you need to efficiently sync or monitor federal contract awards incrementally without re-fetching the entire dataset. It is ideal for agents running periodic polling loops, ETL pipelines, or change-detection workflows where bandwidth and cost efficiency matter. Use the free sibling /v1/contracts/awards/changes for polling without cost when delta precision is less critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:46:33.192Z","isFirstParty":false}