API reference
REST API. Auth, endpoints, rate limits, webhook signatures.
API authentication
Generate API keys, scope permissions, rotate, revoke.
4 min read·Updated Apr 5, 2026
Rate limits
Per-key and per-workspace limits, headers, retry behavior.
3 min read·Updated Apr 2, 2026
Mailboxes API
List, get, suspend, resume, export mailboxes.
5 min read·Updated Mar 29, 2026
Domains API
List, register, migrate, configure DNS programmatically.
5 min read·Updated Mar 25, 2026
Webhooks API
Programmatically manage webhook subscriptions.
4 min read·Updated Mar 21, 2026