Explore the Mailbox API
Review mailbox capabilities for applications and agents.
Mailbox pricing. For your app.
Every account includes mailboxes to start. Choose a Mailbox plan for more mailboxes, storage and retention.
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Published product plans
Monthly plan prices and included capacity come from the published Billing catalogue.
Startup
US$25/ month
Monthly plan price (USD)
- Mailboxes
- 50
- Mailbox storage
- 12.5 GB
- Message retention
- 30 days
Growth
US$100/ month
Monthly plan price (USD)
- Mailboxes
- 250
- Mailbox storage
- 250 GB
- Message retention
- 90 days
Scale
US$250/ month
Monthly plan price (USD)
- Mailboxes
- 1,000
- Mailbox storage
- 1,000 GB
- Message retention
- 365 days
Compare plans
| Feature | Included | Startup | Growth | Scale |
|---|---|---|---|---|
| Mailboxes | ||||
| Mailboxes | 5 | 50 | 250 | 1,000 |
| Custom mailbox handles | - | 10 | 50 | 200 |
| Mailbox storage | 1.25 GB | 12.5 GB | 250 GB | 1,000 GB |
| Message retention | 30 days | 30 days | 90 days | 365 days |
| API limits | ||||
| Create requests | 60 / minute | 60 / minute | 60 / minute | 60 / minute |
| Retrieve requests | 500 / minute | 500 / minute | 500 / minute | 500 / minute |
| List requests | 150 / minute | 150 / minute | 150 / minute | 150 / minute |
| Update requests | 60 / minute | 60 / minute | 60 / minute | 60 / minute |
| Delete requests | 60 / minute | 60 / minute | 60 / minute | 60 / minute |
| Message status requests | 500 / minute | 500 / minute | 500 / minute | 500 / minute |
| Verification sends | 60 / minute | 60 / minute | 60 / minute | 60 / minute |
| Verification checks | 120 / minute | 120 / minute | 120 / minute | 120 / minute |
Rate limits describe how fast the API accepts requests, and a higher plan raises them. Webhook endpoints from each of your plans add up. Organization and provider limits may also apply.
Pricing questions
Does an email sending plan include mailboxes?
Which usage should I estimate?
Where can I review the final price?
What affects the mailbox quote?
Are additional usage and setup costs included?
Put it into practice. Explore mailboxes and follow the guides to connect your application.
Build with mailboxes
Follow the mailbox setup and integration guide.
Set up API access
Review authentication before connecting your application.