{
  "markdown": "# Email Send API\n\n[![MCP Server](https://img.shields.io/badge/MCP-server-blue)](https://email-send.api.klymax402.com/mcp)\n[![x402](https://img.shields.io/badge/payments-x402-6E56CF)](https://x402.org)\n[![License: MIT](https://img.shields.io/badge/license-MIT-green)](LICENSE)\n\nSend emails programmatically via Resend -- text or HTML body, delivery status, message ID. Transactional email. Pay-per-call via [x402](https://x402.org) (USDC on Base L2) -- no API key, no signup, no rate-limit wall.\n\nPart of the [klymax402](https://klymax402.com) marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.\n\n## Quickstart -- MCP\n\nAdd to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):\n\n```json\n{\n  \"mcpServers\": {\n    \"email-send\": {\n      \"url\": \"https://email-send.api.klymax402.com/mcp\"\n    }\n  }\n}\n```\n\n## Quickstart -- HTTP (x402)\n\n```bash\ncurl -X POST \"https://email-send.api.klymax402.com/api/send\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"to\":\"...\",\"subject\":\"...\",\"body\":\"...\"}'\n# -> 402 Payment Required, with an x402 payment challenge in the response body\n```\n\nAny x402-aware client ([`@x402/fetch`](https://www.npmjs.com/package/@x402/fetch), [`x402-agent-tools`](https://www.npmjs.com/package/x402-agent-tools), ATXP) handles the 402 -> sign -> retry cycle automatically.\n\n## Tools\n\n| Tool | Method | Path | Price | Description |\n|---|---|---|---|---|\n| `email_send_message` | POST | `/api/send` | $0.008 | Send an email message |\n\n### `email_send_message`\n\nUse this when you need to send an email to one or more recipients. Returns delivery confirmation in JSON.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `to` | string | yes | Recipient email address |\n| `from` | string | no | Sender email address (default: noreply@x402.dev) |\n| `subject` | string | yes | Email subject line |\n| `body` | string | yes | Email body content (plain text) |\n| `html` | string | no | Email body content (HTML, optional — overrides body) |\n\nExample response:\n\n```json\n{\"messageId\":\"msg_01abc123\",\"status\":\"sent\",\"timestamp\":\"2026-04-13T14:30:00Z\",\"to\":\"user@example.com\",\"from\":\"noreply@x402.dev\",\"subject\":\"Your Report\"}\n```\n\n**When to use**: sending transactional emails, notifications, alerts, password resets, order confirmations, and automated reports.\n\n**Not for**: email validation (use `email_verify_address`), finding email addresses (use `email_find_by_name`), person data enrichment (use `person_enrich_from_email`).\n\n## Example agent prompts\n\n- \"Send an email to one or more recipients\"\n\n## Payment\n\n- Protocol: [x402](https://x402.org) -- HTTP-native pay-per-call, no signup, no API key\n- Network: Base L2 (`eip155:8453`)\n- Asset: USDC\n- Facilitator: Coinbase CDP (primary), PayAI (fallback)\n- Also reachable via [ATXP](https://atxp.ai) (OAuth-wrapped x402, RFC 9728 protected-resource metadata)\n\n## Part of klymax402\n\n100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.\n\n- Catalog: https://klymax402.com/llms.txt\n- Full API reference: https://klymax402.com/llms-full.txt\n- Live stats: https://klymax402.com/stats\n\n## License\n\nMIT\n",
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  "sha": "dd5f2506cab5599ebe45e5b3ccf443df62c8f4c6da91e39fda027e33a83400f6",
  "repo_slug": "br0ski777/email-send-x402",
  "fonte": "repo",
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  "api": "https://agentalog.com/api/listings/mcp_io_github_br0ski777_email_send_a01c80f2/readme"
}