Events
Webhooks — every message and Flow event, signed
Delivery, read, reply, template status, Flow submission, bounce and complaint events, HMAC-signed with at-least-once delivery and a seven-day replay window.
Event catalogue
Subscribe per event type per endpoint; each endpoint has its own secret.
EventChannelTypical use
message.deliveredWhatsAppReconcile sends against your order records.
message.readWhatsAppTrigger the next step in a journey only after a read.
message.repliedWhatsAppOpen a service window and route to the inbox or agent.
template.statusWhatsAppReact to approval, rejection or reclassification to marketing.
flow.completedWhatsAppWrite the submitted Flow payload into your CRM or order system.
email.bouncedEmailSuppress and alert; hard bounces suppress automatically too.
Retries use exponential backoff for 24 hours; anything still failing is queued for manual replay.
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