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Bounty Engineer Schema Drift Guard
x402
Bounty Engineer Schema Drift Guard is a paid API for AI agents from bounty-engineer-x402-prod.onrender.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-13).
Compares two API schema versions (before and after) and detects breaking changes, returning a verdict on whether the schema drift is safe or breaking.
Price / call$0.03
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
CI pipeline schema safety check
“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.”
Pre-deployment compatibility audit
“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?”
Schema migration validation for microservices
“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?”
Technical details
Endpoint
POSThttps://bounty-engineer-x402-prod.onrender.com/v1/schema-drift-guard?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| after | object | |
| before | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"mode": "schema_drift_guard",
"verdict": "no_breaking_change_detected",
"breaking": []
}
}Tags
x402
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