Free
Free
$0 per month on the Free plan
- Inboxes
- 3 inboxes on Free.
- Email volume
- 3,000 emails per month.
Finding the possibilities
AgentMail
● Identity checkedCode · Vendor site 2026-10-04
AgentMail is an email inbox API built for AI agents, giving each agent its own inbox to create threads, send and receive mail, handle attachments, and integrate via SDKs or MCP. The product targets developers wiring agents into real email workflows with multi-tenant controls and optional custom domains.
- Category
- Code
- Free access
- Free tier includes 3 inboxes, 3,000 emails per month, and 3 GB storage with no credit card required.
- API access
- Homepage and pricing document Inboxes API, SDKs, MCP server, webhooks, websockets, and SMTP relay for programmatic inbox operations.
Is AgentMail right for you?
A good fit for
Developers and AI product teams that need programmatic email inboxes for agents rather than human Gmail workflows.
Before you choose
Free tier caps at 100 emails per day and 3 inboxes; Developer is the lowest listed paid tier at $20 per month.
Email inboxes for AI agents
AgentMail provides API-first inboxes, SDKs, MCP, and tiered plans from a free starter tier through Developer and Startup subscriptions.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Agent inboxes | Homepage states AgentMail gives agents their own email inboxes via API, like Gmail does for humans. | Facts sourced | 2026-10-04 |
| Agent Armor | Site highlights Agent Armor to screen inbound mail before an agent reads it. | Facts sourced | 2026-10-04 |
| Developer tier | Pricing lists Developer at $20 per month with 10 inboxes and 10,000 emails per month. | Facts sourced | 2026-10-04 |
Understand the total cost
AgentMail pricing & plans
Developer
$20.00 /mo
$20 per month on the Developer plan
- Inboxes
- 10 inboxes and 10 custom domains.
- Email volume
- 10,000 emails per month.
Startup
$200.00 /mo
$200 per month on the Startup plan
- Scale
- 150 inboxes and 150 custom domains.
- Organization
- 10 organization seats.
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Frequently asked questions
What is AgentMail used for?
AgentMail is an email inbox API built for AI agents, giving each agent its own inbox to create threads, send and receive mail, handle attachments, and integrate via SDKs or MCP. The product targets developers wiring agents into real email workflows with multi-tenant controls and optional custom domains.
Does AgentMail have a free plan?
Free tier includes 3 inboxes, 3,000 emails per month, and 3 GB storage with no credit card required.. This record lists ongoing free access; check the plan limits before starting.
How much does AgentMail cost?
The listed monthly price is $20.00 USD at monthly billing. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use AgentMail through an API?
Homepage and pricing document Inboxes API, SDKs, MCP server, webhooks, websockets, and SMTP relay for programmatic inbox operations.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Free tier caps at 100 emails per day and 3 inboxes; Developer is the lowest listed paid tier at $20 per month.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.