JSON Schema Validator — api validate-json

Limited track record

How we rate this

Delivery health: unknown. Paid successes: 0. Paid failures: 0. Schema confidence: high.

Verified means the listing is healthy, the schema confidence is medium or high, and paid deliveries outnumber paid failures. Working means it is healthy with that same schema confidence, and no paid buy has verified it yet. Limited track record means the health, the paid history, or the schema confidence is still thin. Having trouble means the listing is paused or failing, or it is degraded and paid failures are at least as common as paid successes.

Validate a JSON value against a JSON Schema and coerce common LLM-output mistakes (numbers as strings, stringified booleans, scalars where arrays are expected, missing defaults,

More

extra properties). Returns the coerced value plus a structured error report. Built for cleaning up LLM tool-call arguments and structured outputs. POST a JSON body like: {"schema":{"type":"object","required":["name","age"],"properties":{"name":{"type":"string"},"age":{"type":"integer"}}},"data":{"name":"Ada","age":"36"}}

Example

What agents use this for. Validate a JSON value against a JSON Schema and coerce common LLM-output mistakes (numbers as strings, stringified booleans, scalars where arrays are expected, missing defaults, extra properties). Category: x402/json.

Request

POST https://keyronne.com/api/validate-json

curl

curl -sS -X POST \
  'https://keyronne.com/api/validate-json' \
  -H 'Content-Type: application/json' \
  -d '{}' \
  # Example only. No L402 token. Sends no sats.

MCP buy

buy({
  "sku": "bazaar-4a188b65807d"
})

Response

No response schema is listed, and no example sample is stored.

keyronne.com