https://developers.brevo.com/docs/transactional-webhooks
Transactional webhooks | Brevo API Documentation
transactional webhooksbrevoapidocumentation
https://www.mailgun.com/releases/account-level-webhooks/
Account Level Webhooks - Transactional Email API Service For Developers | Mailgun
Feb 24, 2026 - Mailgun now allows users to create account level webhooks, simplifying setup for users who have multiple domains or subaccounts.
transactional email apifor developersaccountlevelwebhooks
https://www.mailgun.com/releases/added-mailbox-provider-details-to-the-events-and-webhooks-payloads/
Added Mailbox Provider details to the Events and Webhooks payloads - Transactional Email API...
Jun 30, 2025 - For outbound messages, we added the Mailbox Provider (displayed as recipient provider) to the event webhook payloads as well as the event logs in the Mailgun...
to the events