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JSON Schema Drift Detection
x402
JSON Schema Drift Detection is a paid API for AI agents from agent-json-reliability.onrender.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-03).
Detects schema drift by validating JSON payloads against expected schemas and identifying structural deviations over time
Price / call$0.005
Success—
StatusUnknown
How this service works
Deterministic JSON repair and JSON Schema validation for AI agents. Free MCP, inspect, validate, repair. Paid POST /v1/json/reliable 0.003 USDC via x402 on Base.
Output
Returns a JSON object indicating whether schema drift was detected, along with details on which fields deviated — including missing fields, type mismatches, unexpected additional properties, or structural changes compared to the expected schema.
Example use cases
LLM output schema regression check
“My AI agent generates structured JSON responses, but I think the format has started drifting — can you check this output against my schema and tell me exactly what fields are missing or have the wrong type?”
API contract drift monitoring
“We have a downstream service that expects a specific JSON structure, and I want to verify whether the latest payload we're sending still conforms to the original contract or if something has structurally changed.”
Data pipeline schema validation
“Before I load this batch of JSON records into our database, can you validate them against our schema and flag any records where the structure has drifted from what we expect?”
Technical details
Endpoint
POSThttps://agent-json-reliability.onrender.com/v1/api/schema-drift?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need deterministic, reliable schema drift detection for AI agent outputs or API payloads — especially when LLM-generated JSON is prone to structural inconsistencies over time and you need a cheap, automated way to catch regressions before they propagate downstream.
Side effects
- Invalid JSON input returns a parse error
- Missing schema reference causes validation to fail with schema-not-found error
- Malformed JSON Schema provided as baseline returns schema-invalid error
- Network timeout on large payloads
- Rate limiting or payment required (402) if free tier exceeded
Output
Schema · Response
{
"example": {
"ok": true
}
}Tags
x402
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