Markdown to HTML API
Convert markdown to clean HTML with headings, lists, code blocks. x402 micropayment.
Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
claude mcp add --transport sse markdown-to-html-api 'https://markdown-to-html.api.klymax402.com/mcp'{
"mcpServers": {
"markdown-to-html-api": {
"type": "sse",
"url": "https://markdown-to-html.api.klymax402.com/mcp"
}
}
}Documentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
Contents
Markdown to HTML API
Convert Markdown to clean HTML -- headings, lists, code blocks, tables, links, images. Optional full document wrap. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.
Quickstart -- MCP
Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):
{
"mcpServers": {
"markdown-to-html": {
"url": "https://markdown-to-html.api.klymax402.com/mcp"
}
}
}Quickstart -- HTTP (x402)
curl -X POST "https://markdown-to-html.api.klymax402.com/api/convert" \
-H "Content-Type: application/json" \
-d '{"markdown":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response bodyAny x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.
Tools
| Tool | Method | Path | Price | Description |
|---|---|---|---|---|
text_convert_markdown_to_html | POST | /api/convert | $0.003 | Convert markdown text to HTML |
text_convert_markdown_to_html
Use this when you need to convert Markdown text to clean HTML. Returns the converted HTML in JSON.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
markdown | string | yes | Markdown text to convert |
wrapInDocument | boolean | no | Wrap output in full HTML document (default: false) |
Example response:
{"html":"<h1>Hello World</h1>\n<p>This is <strong>bold</strong> and <em>italic</em>.</p>","inputLength":42,"outputLength":68}When to use: rendering markdown content in web apps, converting README files, building documentation pages, and email template generation from markdown.
Not for: HTML to markdown (use text_convert_html_to_markdown), styled HTML with CSS themes (use text_render_markdown), PDF generation (use document_generate_pdf).
Example agent prompts
- "Convert Markdown text to clean HTML"
Payment
- Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
- Network: Base L2 (
eip155:8453) - Asset: USDC
- Facilitator: Coinbase CDP (primary), PayAI (fallback)
- Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)
Part of klymax402
100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.
- Catalog: https://klymax402.com/llms.txt
- Full API reference: https://klymax402.com/llms-full.txt
- Live stats: https://klymax402.com/stats
License
MIT
Frequently asked questions
What is Markdown to HTML API?
Convert markdown to clean HTML with headings, lists, code blocks. x402 micropayment.
How do I install Markdown to HTML API?
It runs as a remote server. In Claude Code: claude mcp add --transport sse markdown-to-html-api 'https://markdown-to-html.api.klymax402.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does Markdown to HTML API need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is Markdown to HTML API open source?
Yes. Its code is on GitHub under the MIT license.
Who maintains Markdown to HTML API?
It is published by Br0ski777. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.