AgentMail pricing: plans, limits and add-ons
Checked Nov 9, 2026 on AgentMail’s official pages (sources below). Prices change often: confirm with the provider before you buy.
AgentMail gives AI agents their own email inboxes through an API, priced by inboxes, monthly sends and custom domains.
Figures below are quoted from agentmail.to/pricing, checked Nov 9, 2026.
Plans
- Free
- Price$0 / month
- Inboxes3
- Emails3,000 / month (100 / day)
- Custom domains1
- Storage3 GB
- Developer
- Price$20 / month
- Inboxes10
- Emails10,000 / month (1,000 / day)
- Custom domains10
- Storage10 GB
- Startup
- Price$200 / month
- Inboxes150
- Emails15,000 / day (no separate monthly cap)
- Custom domains150
- StorageUnlimited
- Enterprise
- PriceCustom
- InboxesUp to unlimited
- EmailsCustom
- Custom domainsCustom
- StorageCustom
Developer includes 2 organization seats and email support; Startup includes 10 seats and a SOC 2 report. Enterprise adds white-label, EU region cloud, BYO cloud, dedicated IPs, SSO and an SLA. The page also has a Monthly / Yearly toggle.
Add-ons (Developer and Startup)
- One more inbox
- Monthly$2 / month
- Yearly plans$19.20 / year
- One more custom domain
- Monthly$2 / month
- Yearly plans$19.20 / year
- 1,000 more emails a month
- Monthly$2 / month
- Yearly plans$19.20 / year
- One more seat
- Monthly$5 / month
- Yearly plans$48 / year
Per the page, increases are prorated for the rest of the period and reductions take effect at renewal.
AgentMail over x402: what our daily check saw
We call AgentMail’s x402 endpoint every day without paying and read the HTTP 402 reply. Data as of Nov 9, 2026, 11:20 AM ET.
- Status
- Up
- Price in the 402
- $0 per call on Base
- Networks listed
- Base, Solana, Polygon, Avalanche, X Layer
- x402 grade
- F (5/100)
AgentMail review →Is AgentMail down? →AgentMail alternatives →
AgentMail over x402
AgentMail also answers on an x402 route, so an agent can pay per request in USDC instead of holding an API key. Our check saw x402 terms on Base, Solana, Polygon, Avalanche and X Layer. The box above shows the latest daily result; we probed one route, and other routes may be priced differently.
AgentMail pricing FAQ
How much does AgentMail cost?
Free is $0 (3 inboxes, 3,000 emails a month). Developer is $20/month (10 inboxes, 10,000 emails a month) and Startup is $200/month (150 inboxes). Enterprise is custom. Prices from agentmail.to/pricing on Nov 9, 2026.
Does AgentMail have a free plan?
Yes: 3 inboxes, 1 custom domain, 3,000 emails a month (100 a day) and 3 GB of storage, with no credit card required.
How much is an extra AgentMail inbox?
$2 a month per inbox on Developer or Startup, or $19.20 a year on yearly plans.
Sources (official pages, read Nov 9, 2026)
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