Developer API

API keys, sending from your own systems, webhooks.

Developer API — send WhatsApp messages from your own systemsBeginner-friendly introduction to the MeAPI Developer API — create an API key, send a template or text message with one HTTP request, check message status, list contacts and templates, the 24-hour window rule, and where to find the full API reference.Advanced · 10 minOutgoing webhooks — get WhatsApp events in your appReceive MeAPI events (message received, message status, opt-out/opt-in) at your own URL, verify the HMAC signature, deduplicate retries with X-MeAPI-Delivery, and read the delivery log.Advanced · 7 min