Webhooks

Learn how to use webhooks with Waitless.

Jul 25, 2024

Events

Any endpoints will subscribe to all the following events for now.

• subscriber.created
• subscriber.deleted
• subscriber.unsubscribed
• subscriber.updated

Signature

Makes sure to copy your webhook svix signature by clicking on the copy icon next to your endpoint like below.

In order to verify incoming webhooks you will need to do the following.

How to Verify Webhooks with the Svix Libraries | Svix Docs

Payload

{ "address": string, "audienceId": string, "city": string, "company": string, "country": string, "createdAt": date, "createdDay": date, "data": string, "email": string, "firstName": string, "id": string, "instagram": string, "isGDPR": boolean, "isVerified": boolean, "lastName": string, "list": { "webhook": { "svixId": string } }, "listId": string, "name": string, "phoneNumber": string, "points": number, "position": number, "referrals": number, "referredById": string, "shortId": string, "trackingId": string, "twitter": string, "updatedAt": date, "verifyToken": string, "website": string }

Recent updates

Campaign scheduling

Feb 11, 2026](https://letterby.com/explore/campaign-scheduling)

Domain Warming

Dec 7, 2025](https://letterby.com/explore/domain-warming)

Email Verification

Dec 2, 2025](https://letterby.com/explore/email-verification)

Other features

[**Manual email verification**

Feb 8, 2025](https://letterby.com/explore/manual-email-verification)

[**Favicon and social settings**

Jan 20, 2025](https://letterby.com/explore/favicon-and-social-settings)

[**Receive push notifications**

Jul 28, 2024](https://letterby.com/explore/receive-push-notifications)