Integration

MailPilotX REST API and webhooks

The base for every integration: v1 API (Pro / Business), scoped keys, HMAC-SHA256 webhooks, transactional mail by slug.

Auth and events

JWT or mpx_live_ / mpx_test_ keys. Outbound events include sent, failed, campaign completed, unsubscribed and bounced. HMAC-SHA256 in X-MailPilotX-Signature.