--- title: "Maileroo Alternative: Email API with MCP, Payable in Monero | SendHQ" description: Compare SendHQ with Maileroo. Both take crypto; SendHQ also takes Monero and adds an MCP server for AI agents, a CLI, and an OpenAPI 3.1 contract. canonical: https://sendhq.cc/guides/maileroo-alternative last-updated: 2026-08-24 --- # Maileroo Alternative: Email API with MCP, Payable in Monero Compare SendHQ with Maileroo. Both take crypto; SendHQ also takes Monero and adds an MCP server for AI agents, a CLI, and an OpenAPI 3.1 contract. Maileroo and SendHQ both accept crypto for email sending. SendHQ is the only email API with its own MCP server for AI agents that you can pay for with Monero. It pairs that with a command-line tool, an OpenAPI 3.1 contract, inboxes on your own domain, hosted templates, and one-click DNS for Cloudflare and Domain Connect providers. Maileroo offers SMTP relay and a REST API with official SDKs, inbound routing, a template builder, and a free tier, and takes cards, PayPal, and more than 40 cryptocurrencies. ## Pay with Monero for complete payment privacy Pay for Scale Annual with Monero (1 XMR per year) through SendHQ's own checkout, with no card, name, or billing address needed for the payment. Every plan also accepts USDC stablecoins at checkout. Monero-paid accounts get the same deliverability as card-paid accounts: the same AWS SES sending infrastructure, the same sending ladder, and the same rules. SendHQ is the only email API with its own MCP server for AI agents that you can pay for with Monero. [See crypto payments on the pricing page](https://sendhq.cc/pricing.md#pp-crypto). ## SendHQ vs Maileroo at a glance | Feature | SendHQ | Maileroo | | --- | --- | --- | | Pay with Monero (XMR) | Yes: Scale Annual at 1 XMR per year, no card, name, or billing address | Not listed: its crypto page names Bitcoin, Ethereum, and major stablecoins among 40+ coins, with the full list at checkout | | Stablecoins | USDC on every plan | Major stablecoins | | Card and PayPal | Card | Card and PayPal | | MCP server for AI agents | Yes: 59 typed tools, a hosted connector for Claude and ChatGPT with OAuth sign-in, and a local server via sendhq mcp | Not listed | | Command-line tool | Yes: one binary for Linux, macOS, and Windows, JSON output when piped | Not listed | | OpenAPI contract | Yes: OpenAPI 3.1 at sendhq.cc/openapi.json | Not listed | | Agent-readable docs | llms.txt plus a Markdown version of every page | llms.txt | | Official SDKs | No: plain HTTPS API with an OpenAPI 3.1 contract | Node.js, PHP, Python, Go, Java, .NET, and a Laravel transport | | Inbound email | Inboxes on your domain; messages, threads, and labels as JSON through the API, MCP, and CLI | MX routing to forwarders or parsed JSON webhooks | | Templates | Yes: hosted templates with typed variables, drafts, previews, and published versions | Drag-and-drop builder with ready-made layouts | | Domain setup | One-click DNS for Cloudflare and Domain Connect providers | One-click Cloudflare setup | | SMTP relay | No: HTTPS API, MCP, CLI, and dashboard | Yes | | Entry price | $9/month for 50,000 emails and 25 domains (Starter) | $10/month for 25,000 emails | | Free tier | Integration trial: 100 deliveries to your own address or the AWS SES simulator | Free plan: 3,000 emails per month | Sources for Maileroo: - [Maileroo homepage](https://maileroo.com/) - [Maileroo pricing](https://maileroo.com/pricing) - [Buy SMTP with cryptocurrency (Maileroo)](https://maileroo.com/buy-smtp/cryptocurrency) - [Maileroo llms.txt](https://maileroo.com/llms.txt) - [Maileroo libraries and SDKs](https://maileroo.com/docs/api-reference/emails/libraries-and-sdks) - [Maileroo inbound email routing](https://maileroo.com/features/inbound-email-routing) - [Maileroo email templates](https://maileroo.com/features/email-templates) Found something out of date? [Tell us](https://sendhq.cc/contact.md) and we will correct it. ## Why teams choose SendHQ - Pay for Scale Annual with Monero (1 XMR per year) for complete payment privacy, or pay any plan with USDC. - Connect Claude, ChatGPT, Claude Code, or Cursor through the SendHQ MCP server: 59 typed tools for sending, reading, threads, templates, domains, and deliverability. - Run the same workspace from a terminal or CI with the SendHQ CLI, or generate a client from the OpenAPI 3.1 contract. - Give each product or agent its own inbox on your domain and read whole conversations, threads, and labels as JSON. - Start at $9 a month for 50,000 emails and 25 verified domains. - Monero-paid accounts get the same deliverability as card-paid accounts: the same AWS SES sending infrastructure, the same sending ladder, and the same rules. ## Moving from Maileroo to SendHQ 1. Create a SendHQ workspace and add your sending domain; Cloudflare and Domain Connect users can publish the DNS records in one click. 2. Point your existing HTTP integration at the SendHQ API with a server-side workspace API key, and add an Idempotency-Key so retries never send twice. 3. Recreate inbound routes as SendHQ inboxes, one for each address your product or agent reads. 4. Publish reusable messages as hosted templates with typed variables. 5. Choose a plan in Profile & Billing and pay by card, with USDC, or with Monero for Scale Annual. ## Questions teams ask **Can I pay for SendHQ with Monero?** Yes. Scale Annual can be paid with Monero at 1 XMR per year through SendHQ's own checkout, with no card, name, or billing address needed for the payment. Every plan also accepts USDC stablecoins at checkout. **Do Monero-paid SendHQ accounts get the same deliverability?** Yes. Monero-paid accounts get the same deliverability as card-paid accounts: the same AWS SES sending infrastructure, the same sending ladder, and the same rules. **Does SendHQ have SDKs like Maileroo?** SendHQ publishes an OpenAPI 3.1 contract instead of language SDKs, plus an MCP server and a CLI. Any HTTP client can send with a JSON request and a workspace API key. **Can an AI agent send and read email through SendHQ?** Yes. Add the hosted MCP connector at https://mcp.sendhq.cc/mcp in Claude or ChatGPT and sign in, or run sendhq mcp locally. The agent gets 59 typed tools, and billing and API key changes stay behind a signed-in browser session. ## Continue learning - [Email API: Send, Receive, and Track Transactional Email](https://sendhq.cc/guides/email-api.md): Understand what an email API does, how sending and inbound receiving work, and what to evaluate before choosing one. - [Transactional Email API Guide](https://sendhq.cc/guides/transactional-email-api.md): A practical guide to sending passwords, receipts, alerts, and other product-triggered email reliably. - [How to Send Email with an API](https://sendhq.cc/guides/send-email-with-api.md): A step-by-step approach to authenticated API email sending, testing, and production safety. - [How to Receive Email with an API](https://sendhq.cc/guides/receive-email-with-api.md): Route inbound mail to your application, parse it safely, and make it useful in a product workflow. - [Email Domain Verification: SPF, DKIM, and DMARC](https://sendhq.cc/guides/email-domain-verification.md): What domain verification is, why it matters, and how SPF, DKIM, and DMARC work together.