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JSON Schema Validate
x402
JSON Schema Validate is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Validates arbitrary JSON data against a JSON Schema (Draft 2020-12), returning a valid/invalid flag and detailed error messages with JSON paths for every violation.
Price / call$0.01
Success—
StatusUnknown
How this service works
JSON Schema validation without external libraries: validates data against a schema supporting type, required, properties, additionalProperties, items, enum, const, min/max (length, items, properties, numeric, exclusive), pattern, format (email/uri/date-time), uniqueItems, multipleOf, anyOf/oneOf/allOf/not. Returns valid true/false and every error with its JSON path. $0.01 per validation.
Output
Returns a JSON object with a boolean 'valid' field indicating whether the data conforms to the schema, plus an array of error objects each containing the JSON path of the failing element and a human-readable error message describing the constraint violation.
Example use cases
API response contract checking
“I just got a response from the payments API and I want to make sure it matches our expected schema — required fields are 'id', 'amount', and 'currency', all strings. Can you validate this JSON and list every violation with its path?”
Form submission data validation
“Before I save this user registration payload to the database, check it against our schema: email must be a valid email format, age must be between 18 and 120, and role must be one of 'admin', 'editor', or 'viewer'. Tell me every field that fails.”
CI pipeline schema conformance test
“In our build pipeline, validate this config JSON against our deployment schema — it must have a required 'environment' string set to either 'staging' or 'production', a 'replicas' integer between 1 and 10, and no additional properties allowed. List all errors with JSON paths.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/dev/json-schema-validateWhen to prefer
Choose this endpoint when you need JSON Schema validation without wanting to bundle a library like Ajv into your runtime, especially in serverless or constrained environments. It supports a comprehensive set of Draft 2020-12 keywords including format validation (email, URI, date-time), composition keywords (anyOf/oneOf/allOf/not), and returns all errors at once with JSON paths — making it ideal for debugging and automated pipelines rather than just a pass/fail check.
Side effects
- Malformed JSON data or schema causes a parse error response
- Unsupported schema keywords or drafts beyond the listed feature set may be silently ignored
- Very deeply nested or large JSON documents may hit size/time limits
- Network timeout if the service is temporarily unavailable
- Invalid query parameters return an error rather than a validation result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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