Composio vs AgentMail
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AgentMail has the lower starting price: about $20 a month, against $29 for Composio.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Hundreds of app toolkits
- Managed OAuth
- MCP servers
- Event triggers
- Framework SDKs
- Inboxes created by API
- Threaded send and receive
- Attachments
- Webhooks and events
- Custom domains
- Per-agent permissions
| Feature | Composio | AgentMail |
|---|---|---|
| Best for | Tool and integration layer that lets AI agents act in apps | Email inbox API that gives AI agents their own addresses |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Freemium |
| Starting price | $29/mo | $20/mo |
| Free plan | Yes | Yes |
| Made by | Composio | AgentMail |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
AgentMail has the lower starting price: about $20 a month, against $29 for Composio.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Hobby
Free
- 100K tool calls per month
- 50K triggers per month
- 3 team members
Pro
$29/mo
- $29 usage credit included
- Unlimited team members
- Pay-as-you-go overage, spend caps
Enterprise
Custom
- Maximum limits
- Dedicated support and custom SLAs
4 plans
Free
Free
- 3 inboxes
- 3,000 emails a month
- 1 custom domain
- 3 GB storage
Developer
$20/mo
- 10 inboxes
- 10,000 emails a month
- 10 custom domains
- Email support
Startup
$200/mo
- 150 inboxes
- 150 custom domains
- 10 organization seats
- SOC 2 report
Enterprise
Contact sales
- Bring-your-own-cloud deployment
- Dedicated IPs
- OIDC and SAML SSO
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Composio
- Saves building integrations by hand
- Handles user authentication
- Works with most agent frameworks
- Adds a third party to your data path
- Usage pricing grows with tool calls
AgentMail
- Free tier with three inboxes
- Python and TypeScript SDKs plus MCP
- Custom domains with DKIM, SPF and DMARC
- Free plan capped at 100 emails a day
- SOC 2 report only on Startup and up
- Dedicated IPs require Enterprise
Which one should you choose?
Choose Composio if you want:
- Saves building integrations by hand
- Handles user authentication
- Works with most agent frameworks
Watch out: adds a third party to your data path.
Choose AgentMail if you want:
- Free tier with three inboxes
- Python and TypeScript SDKs plus MCP
- Custom domains with DKIM, SPF and DMARC
Watch out: free plan capped at 100 emails a day.
Composio vs AgentMail FAQ
What is the difference between Composio and AgentMail?
Composio: Tool and integration layer that lets AI agents act in apps. AgentMail: Email inbox API that gives AI agents their own addresses. Both are agents & automation tools.
Is Composio or AgentMail cheaper?
AgentMail has the lower starting price: about $20 a month, against $29 for Composio.
Do Composio and AgentMail have free plans?
Composio: Yes. AgentMail: Yes.
Who makes Composio?
Composio is made by Composio, based in United States.
Who makes AgentMail?
AgentMail is made by AgentMail.
Which should I choose, Composio or AgentMail?
Choose Composio if you value saves building integrations by hand and handles user authentication. Choose AgentMail if you value free tier with three inboxes and python and typescript sdks plus mcp.