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encoding-transcode
x402
encoding-transcode is a paid API for AI agents from x402.agentindex.world, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-02).
Converts text between utf-8, base64, hex, URL-percent-encoding, and ASCII representations.
Price / call$0.002
Success—
StatusUnknown
How this service works
Convert text between utf-8, base64, hex, URL-percent-encoding and ascii representations.
Output
Returns the transcoded text string in the requested target encoding. The response is a plain converted string — for example, a base64 string decoded to UTF-8 readable text, or a UTF-8 string encoded as hex or URL-percent-encoded format.
Example use cases
Decode base64 API response
“I got this base64-encoded payload back from an API: 'SGVsbG8gV29ybGQ=' — can you decode it from base64 to utf-8 so I can see what it says?”
URL-encode a query string parameter
“I need to embed this string 'hello world & goodbye!' into a URL query parameter — can you encode it as URL percent-encoding from utf-8?”
Convert hex bytes to readable text
“I have this hex string '48656c6c6f' and I want to convert it from hex to utf-8 so I can read the actual text.”
Technical details
Endpoint
GEThttps://x402.agentindex.world/encoding/transcode?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an agent needs a fast, lightweight, pay-per-call text encoding conversion without managing API keys or setting up a local library. It is ideal for quick one-off conversions between utf-8, base64, hex, URL-percent-encoding, and ASCII in automated pipelines, especially when the agent environment doesn't have convenient access to encoding utilities.
Side effects
- Invalid or unrecognized from_encoding or to_encoding value (must match pattern: utf-8, base64, hex, url, ascii)
- Text content is not valid in the specified from_encoding (e.g. malformed base64 input)
- Empty or missing text parameter
- Payment failure or x402 authorization error ($0.002 USDC per call required)
- Network timeout or service unavailability
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | |
| to_encoding | string | |
| from_encoding | string |
Tags
x402
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