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Delivered

Delivered callbacks are triggered to notify your application when an email has been successfully delivered to the recipient. These callbacks provide detailed information, including the batch ID, recipient address, sender address, and timestamp.

Delivered Webhook Payload

Parameter	Type	Required	Description	Example
`channel`	`string`	`true`	Always `email`	`email`
`event_type`	`string`	`true`	Always `email_delivered`	`email_delivered`
`batch_id`	`string`	`true`	UUID auto-generated per API send request and returned in the send response. Shared across all recipients (to, cc, bcc) of that single send.	`550e8400-e29b-41d4-a716-446655440000`
`message_id`	`string`	`true`	Internal identifier for the individual recipient record	`507f1f77bcf86cd799439011`
`tag`	`string`	`false`	Custom tag sent with the email	`welcome-email`
`bulk_tag`	`string`	`false`	User-provided string for grouping multiple sends across separate API calls	`campaign-april`
`event_meta`	`object`	`true`	Event-specific metadata
`event_meta.to`	`string`	`true`	Recipient email address	`[email protected]`
`event_meta.from`	`string`	`true`	Sender email address	`[email protected]`
`event_meta.reply_to`	`string`	`true`	Reply-to address	`[email protected]`
`event_meta.status`	`string`	`true`	Always `delivered`	`delivered`
`event_meta.sent_at`	`string`	`true`	Timestamp of the event in ISO 8601 format	`2024-01-15T10:30:00Z`
`event_meta.error`	`number`	`true`	Always `0` for delivered events	`0`

Delivered Webhook Payload