# Operations

> Posts on operations for developers using the WhatsApp Cloud API, from the WhaBuzz blog. 2 posts.

Source: https://whabuzz.com/blog/tag/operations/

- [Stop Duplicate WhatsApp API Messages](https://whabuzz.com/blog/whatsapp-api-idempotency/): Why WhatsApp API sends get duplicated by timeouts and retries, and how WhaBuzz's Idempotency-Key header and webhook dedupe_key prevent double sends.
- [WhatsApp messaging limits and quality rating](https://whabuzz.com/blog/whatsapp-quality-rating-messaging-limits/): Meta's WhatsApp messaging limit tiers, throughput, the 131056 pair rate limit and quality rating, and how to pace sends so you stay inside them.