Resend

Resend provides 8 triggers for automating workflows based on events.

Triggers

Resend Email Bounced

Trigger workflow when an email bounces

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)
`bounceType`	string	Bounce type (e.g., Permanent)
`bounceSubType`	string	Bounce sub-type (e.g., Suppressed)
`bounceMessage`	string	Bounce error message

Resend Email Clicked

Trigger workflow when a link in an email is clicked

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)
`clickIpAddress`	string	IP address of the click
`clickLink`	string	URL that was clicked
`clickTimestamp`	string	Click timestamp (ISO 8601)
`clickUserAgent`	string	Browser user agent string

Resend Email Complained

Trigger workflow when an email is marked as spam

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Delivered

Trigger workflow when an email is delivered

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Failed

Trigger workflow when an email fails to send

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Opened

Trigger workflow when an email is opened

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Sent

Trigger workflow when an email is sent

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Webhook (All Events)

Trigger on Resend webhook events we subscribe to (email lifecycle, contacts, domains—see Resend docs). Flattened email fields may be null for non-email events; use data for the full payload.

Configuration

Parameter	Type	Required	Description
`apiKey`	string	Yes	Required to create the webhook in Resend.

Output

Parameter	Type	Description
`type`	string	Event type (e.g., email.sent, email.delivered)
`created_at`	string	Webhook event creation timestamp (ISO 8601), top-level `created_at`
`data_created_at`	string	Email record timestamp from payload `data.created_at` (ISO 8601), when present — distinct from top-level `created_at`
`email_id`	string	Unique email identifier
`broadcast_id`	string	Broadcast ID associated with the email, when sent as part of a broadcast
`template_id`	string	Template ID used to send the email, when applicable
`tags`	json	Tag key/value metadata attached to the email (payload `data.tags`)
`from`	string	Sender email address
`subject`	string	Email subject line
`to`	json	Array of recipient email addresses
`data`	json	Raw event `data` from Resend (shape varies by event type: email, contact, domain, etc.)
`bounceType`	string	Bounce type (e.g., Permanent)
`bounceSubType`	string	Bounce sub-type (e.g., Suppressed)
`bounceMessage`	string	Bounce error message
`clickIpAddress`	string	IP address of the click
`clickLink`	string	URL that was clicked
`clickTimestamp`	string	Click timestamp (ISO 8601)
`clickUserAgent`	string	Browser user agent string

Resend

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