A tracked link was clicked: mail_link_clicked, with its url.
Header Parameters
base64url(HMAC-SHA256(raw body, your webhook's signing secret)), the secret being the whsec_… shown in the console. Verify it over the raw bytes before parsing, and refuse the event when it does not match.
The event id, also event_id in the body: the same on every retry of the event. Deduplicate on it.
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
Example Requests
/EmailLinkClickedEmail: mail failed Webhook
Swarmhit's own: `gateway.mail_failed`, the engine gave up sending a queued mail after its retries.
Email: mail opened Webhook
The tracking pixel of a mail sent with `tracking_options.opens` loaded: `mail_opened`, with the send's `label` and `custom_domain`. Opens by mail clients' proxies and scanners come as they are: telling them apart is yours.