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Markdown to HTML Converter
x402
Markdown to HTML Converter is a paid API for AI agents from toolbelt402.tpoborne.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Renders Markdown text to HTML using CommonMark spec with autolinking, safely escaping any raw HTML in the input rather than executing it.
Price / call$0.003
Success—
StatusUnknown
How this service works
Render Markdown to HTML — CommonMark with autolinking; raw HTML in the input is escaped, not executed. The inverse of /html/to-markdown.
Output
Returns an HTML string converted from the input Markdown. The output is CommonMark-compliant, with URLs autolinked and any raw HTML tags in the source escaped (converted to their HTML entity equivalents like <script>) rather than passed through, preventing XSS injection.
Example use cases
Render README for web display
“I have a GitHub README in Markdown and I need to display it as HTML on a webpage — convert it for me, and make sure any raw HTML tags in the markdown get escaped so they can't execute.”
Blog post Markdown to HTML pipeline
“Take this blog post I wrote in Markdown and convert it to HTML so I can save it to the database and render it in the browser: '## My Post\n\nHere is a paragraph with **bold** and _italic_ text and a link to https://myblog.com.'”
Safely render user-submitted Markdown
“A user submitted this Markdown comment and I need to render it as HTML for display — make sure any raw HTML they snuck in gets escaped: '## Comment\n\nGreat post! <script>alert(1)</script> Check this out https://example.com'”
Technical details
Endpoint
POSThttps://toolbelt402.tpoborne.workers.dev/markdown/to-htmlWhen to prefer
Choose this endpoint when you need a lightweight, safe, server-side Markdown-to-HTML conversion that strictly follows CommonMark and automatically escapes raw HTML (preventing XSS). Prefer it over client-side renderers when security matters, and over full document processors when you only need the HTML fragment, not a full page. It is the natural inverse of the /html/to-markdown sibling endpoint on the same toolbelt.
Side effects
- Empty or missing input body returns a 400 error
- Extremely large Markdown documents may time out or be rejected
- Non-UTF-8 encoded input may cause parsing errors
- Payment failure (x402) blocks the request before processing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| markdown | string | CommonMark text (max 256 KB); raw HTML is escaped, not executed |
Tags
x402
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