Core concepts

Rate limits

Per-key limits, headers and backoff strategy.

Default limits

Most APIs are limited to 60 requests per minute per key. Motor and Mobile permit 120 req/min.

http

X-RateLimit-Limit: 60
X-RateLimit-Remaining: 47
X-RateLimit-Reset: 1730000000

On 429, retry with exponential backoff and respect the Retry-After header.