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Errors & rate limits

Standard HTTP status codes and plan rate limits. Response bodies follow { statusCode, message, error } once product API is live.

Rate limits by plan

HTTP error codes

• 400Bad Request

  Invalid VIN, missing parameter, or malformed request body.

• 401Unauthorized

  Missing or invalid API key.

• 403Forbidden

  Endpoint not available on your current plan.

• 404Not Found

  Resource not found (unknown VIN, plate, etc.).

• 429Too Many Requests

  Rate limit or monthly quota exceeded. Retry after the period indicated in Retry-After.

• 502Bad Gateway

  Upstream data provider temporarily unavailable.

• 503Service Unavailable

  Planned maintenance or overload. Check /status.

Pricing and included volumes: compare plans.