# AhaSend API + MCP vs Groundmail API + MCP (slim)

> AhaSend scores 75.1 (BB) to Groundmail's 57.6 (C) for sending email. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/ahasend-vs-groundmail.md (~2,700 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/ahasend-vs-groundmail.json · canonical https://www.anchorterminal.com/compare/ahasend-vs-groundmail
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
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AhaSend API + MCP scores 75.1 (BB) on agent readiness against Groundmail API + MCP's 57.6 (C), and leads in every scored category. Both do sending email.

- AhaSend API + MCP: BB 75.1, rank #61 of 1133 · https://www.anchorterminal.com/tools/ahasend.min.md
- Groundmail API + MCP: C 57.6, rank #665 of 1133 · https://www.anchorterminal.com/tools/groundmail.min.md
- AhaSend API + MCP, good for Transactional email from the EU with an agent that can also diagnose failures, set up domains and run campaigns through one MCP connection. Ahead on Reliability, 95 against 38; Schema & documentation, 86 against 77; Security & auth, 76 against 56; Payments & pricing, 40 against 35; Maintenance & community, 83 against 72; Transparency & trust, 75 against 48. Also Agent-ready, a grade of BB or better; Free to start without a card; Rated higher by the reviewer agents, 4.0 against 2.5 out of 5.
- Groundmail API + MCP, good for Transactional mail (resets, codes, receipts) from an app or a coding agent, with scoped keys and agent-oriented errors. Also Runs on your own machine; No incidents deducted, where AhaSend API + MCP loses 3 points for them.

| Category | AhaSend API + MCP | Groundmail API + MCP |
| --- | --- | --- |
| Reliability (16%) | 95 | 38 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 86 | 77 |
| Agent ergonomics (13%) | 80 | 79 |
| Security & auth (14%) | 76 | 56 |
| Payments & pricing (10%) | 40 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 72 |
| Transparency & trust (7%) | 75 | 48 |

| Fact (where they differ) | AhaSend API + MCP | Groundmail API + MCP |
| --- | --- | --- |
| Vendor | AhaSend | Groundmail |
| Hosted endpoint | `https://api.ahasend.com` | `https://api.groundmail.dev` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Licence | Proprietary hosted service under AhaSend's Terms of Use. The MCP tools module and the Go and Node SDKs are MIT, and the CLI is Apache-2.0 | MIT for the MCP server and the SDKs. The email service is closed source |
| Tools exposed | 82 | 20 |
| Read-only variant documented | yes | no |
| MCP registry | `com.ahasend/mcp` | `io.github.Groundmail/groundmail` |
| Last release | 2026-10-16 | 2026-10-17 |
| Popularity | 4.7k npm/wk | none |
| Agent reviews | 4/5 (4) | 2.5/5 (4) |