latestOpenAPI 3.1.02026-08-215701892.2 MB

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Webhook Events

WhatsApp number declined event

Fired when a regulated (Tier 3/4) number order is declined or fails review. The number is never billed. reason carries the reviewer's rejection reason when available.

postWebhookwhatsapp.number.declined

Payload

idstring

event'whatsapp.number.declined'

timestampstring date-time

UTC time at which Zernio generated this event (set once when the event payload is built, before delivery is queued). Retries and redeliveries keep the original value, so it reflects the event, not the delivery attempt.

reasonstring nullable

Response

Webhook received successfully