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Account & Billing

Plans, Limits, and Usage

Understand plan tiers, quotas, retries, retention, and billing lifecycle behavior.

1 min readUpdated February 24, 2026Edit this page

MailHook enforces account-level limits by plan.

Core limits

  • Inboxes per account
  • Routings per account
  • Workflow executions per month
  • Log retention window

Plan differences

Free

Designed for one webhook-only workflow: 1 inbox, 1 routing, 500 monthly executions, and 3 days of log retention.

Pro

Designed for small production workflows: 5 inboxes, 10 routings, 2,500 monthly executions, and 10 days of log retention.

Scale

Higher throughput, expanded integrations (including WhatsApp), 10 inboxes, 50 routings, 10,000 monthly executions, 90 days of log retention, and advanced retry windows.

Billing operations

  • Start checkout from Billing or onboarding.
  • Change plan by selecting a new variant.
  • Cancel/resume depending on subscription status.
  • Access invoice history via billing orders.

Operational recommendation

Track usage trends in Overview to avoid hitting capacity unexpectedly.