{"uid":"cap_sezhc5WMVPC6wltZ_79rU","slug":"bounty-engineer-schema-drift-guard-b4598ba4","name":"Bounty Engineer Schema Drift Guard","description":"Machine-buyable infrastructure for autonomous agents: API cost routing, margin optimization, funding-rate data, webpage extraction, result verification, spend controls, retry planning, state, tender search and GitHub bounty intelligence.","url":"https://bounty-engineer-x402-prod.onrender.com/v1/schema-drift-guard?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"type":"object"},"before":{"type":"object"}}},"responseSchema":{"type":"json","example":{"ok":true,"mode":"schema_drift_guard","verdict":"no_breaking_change_detected","breaking":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mkslB2cHMLYFX9EOPmyID","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares two API schema versions (before and after) and detects breaking changes, returning a verdict on whether the schema drift is safe or breaking.","exampleAgentPrompt":"Check if the schema change I'm about to deploy is a breaking change — here's the before schema: {\"type\":\"object\",\"properties\":{\"userId\":{\"type\":\"string\"}}} and after schema: {\"type\":\"object\",\"properties\":{\"userId\":{\"type\":\"integer\"}}}.","exampleUseCases":[{"title":"CI pipeline schema safety check","prompt":"Before I merge this PR, can you check if removing the 'email' field from our API response schema is a breaking change? Here's the current schema and the proposed new one."},{"title":"Pre-deployment compatibility audit","prompt":"I'm about to deploy a new API version that changes 'price' from a string to a number — can you run a schema drift check to see if that will break any existing clients?"},{"title":"Schema migration validation for microservices","prompt":"We're migrating our user service schema — the old version required 'username' as a string but the new one makes it optional. Is that a breaking change?"}],"resultDescription":"Returns a JSON object with an 'ok' boolean, a 'mode' string set to 'schema_drift_guard', a 'verdict' string (e.g. 'no_breaking_change_detected'), and a 'breaking' array listing any detected breaking changes. If no breaking changes are found, the array is empty.","failureModes":["Malformed or missing 'before'/'after' schema objects result in validation errors","Schemas too complex or deeply nested may produce incomplete analysis","Payment failure (HTTP 402) if USDC balance is insufficient","Non-JSON schema formats may not be recognized correctly","Edge cases in schema evolution (e.g. conditional schemas, oneOf/anyOf) may not be fully analyzed"],"whenToPreferThis":"Choose this endpoint when you need automated, programmatic detection of breaking API schema changes as part of a CI/CD pipeline or pre-deployment check. It is particularly suited for autonomous agent workflows where schema compatibility must be verified without human review, and where you want a structured JSON verdict with a list of specific breaking changes rather than a human-readable diff.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:30:04.878Z","isFirstParty":false,"canonicalSlug":"bounty-engineer-schema-drift-guard-b4598ba4"}