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Format Conversion API (CSV↔JSON, Markdown↔HTML)
x402
Format Conversion API (CSV↔JSON, Markdown↔HTML) is a paid API for AI agents from api-production-17e1.up.railway.app, paid per call via x402, $0.001/call, status down (last checked 2026-09-15).
Converts data between CSV and JSON formats (bidirectionally) and between Markdown and HTML (and HTML to plain text), pay-per-call via x402 USDC micropayment.
Price / call$0.001
Success—
StatusDown
How this service works
Format conversion for AI agents — convert between csv↔json, markdown→html, and html→markdown/text. Pay-per-call in USDC via x402 — no signup, no API key. Use as glue between pipeline steps so an agent can transform data formats on the fly.
Output
Returns the input data reformatted in the target format: a JSON array/object when converting from CSV, a CSV string when converting from JSON, an HTML string when converting from Markdown, or a Markdown/plain-text string when converting from HTML.
Example use cases
Example prompt
“Can you convert this CSV data to JSON for me? Here's the CSV: 'name,age,city\nAlice,30,NYC\nBob,25,LA' — I need it as a proper JSON array so I can feed it into the next step of my pipeline.”
Technical details
Endpoint
GEThttps://api-production-17e1.up.railway.app/convertWhen to prefer
Use this endpoint when an AI agent pipeline needs lightweight, pay-per-use format glue between steps — especially when no API key or signup is desired and the conversion is simple (CSV↔JSON or Markdown↔HTML). Prefer it over heavier ETL services for small, single-shot transformations in automated workflows.
Side effects
- Malformed CSV or JSON input returns a parse error
- Unsupported conversion direction (e.g. JSON to HTML) returns an error or unsupported response
- Payment not included or invalid x402 header results in 402 Payment Required
- Missing required query parameters (source format, target format, or data) returns a 400 error
- Very large payloads may time out or be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| urlrequired | string | The page URL to unfurl. |
Tags
x402
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