v1
latestOpenAPI 3.1.02026-07-22115189303.8 KBWebhooks
Create webhook
Subscribe to WhatsApp events for this number.
Two webhook types available:
- kapso: Event-based webhooks with filtered events, buffering support, and Kapso payload format
- meta: Raw Meta webhook forwarding - receives the exact payload Meta sends, with X-Idempotency-Key header
Use buffering (kapso only) to batch high-volume events like inbound messages. Without buffering, each message triggers an immediate webhook delivery.
post/whatsapp/phone_numbers/{phone_number_id}/webhooks
Request body
Response
Created