Full Answer
500 requests/second for Track/Identify. 429 error on exceeded limit. Implement retry logic for safety.
Cherry Seed
What are Klaviyo API rate limits?
Klaviyo server-side
event tracking API
email marketing data
Quick Answer
Track/Identify APIs: 500 requests/second per account. Exceeding returns 429 Too Many Requests. Implement retry logic with exponential backoff. For bulk imports, use List API (different limits). High-volume stores rarely hit limits—typical WooCommerce sites use ~1-10 req/sec.