Limits
Request rates, sizes and lifetimes.
| Limit | Value |
|---|---|
| Requests per API key | 600 per minute |
| Request body | 1 MiB |
Payment metadata | 8 KiB as JSON |
Payment lifetime (expires_in_seconds) | 5 minutes to 7 days; 1 day by default |
| Payments per list page | up to 100 (20 by default) |
| Webhook endpoints | 16 per environment |
Over the request rate the API answers 429 (RATE_LIMITED) with a
Retry-After header: wait that many seconds, then retry.
Lists are newest first. To read the next page, pass the last id you
received as starting_after.