Each tier has its own per-minute, per-day and per-month quota. Exceeding the quota returns 429 with a Retry-After header.
| Tier | Req/min | Req/day |
|---|---|---|
| Free | 60 | 1 000 |
| Starter | 120 | 10 000 |
| Pro | 300 | 100 000 |
| Business | 1 000 | 500 000 |
| Unlimited | ∞ | ∞ |
X-RateLimit-Limit: 120
X-RateLimit-Remaining: 87
X-RateLimit-Reset: 1715342460/v1/cards/batch?ids=1,2,3,…) counts as one request, not N. Always batch when you need ≥10 cards.