# URL Percent-Decode

> URL Percent-Decode is a paid API for AI agents from x402render-u5vwpxpyua-uc.a.run.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Decodes a percent-encoded URL string back into its original readable UTF-8 text

## Facts

- Endpoint: POST https://x402render-u5vwpxpyua-uc.a.run.app/url-decode
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/url-percent-decode-4a47aca3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ccRtGLekrF3ufgt2A9jle

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability url-percent-decode-4a47aca3 -d '<json body>'
```

Example prompt: Can you decode this percent-encoded URL string for me: 'Hello%20World%21%20This%20is%20a%20test%20%26%20it%20works%2E'?

## When to prefer this

Use this endpoint when you need to reverse percent-encoding (URL encoding) on a string — particularly for decoding URL query parameters, path segments, or any string that contains %XX escape sequences. Prefer this over manual regex replacements or general-purpose string libraries when operating in an agent pipeline that requires a reliable, paid, stateless microservice call.

## Known failure modes

- Malformed percent-encoding sequences (e.g. truncated or invalid hex digits after %) may cause a decoding error
- Passing a string that is not percent-encoded returns the input unchanged or may error
- Empty input string returns an empty string or error
- Input containing invalid UTF-8 byte sequences after decoding may cause encoding errors

## How this service works

Decode a percent-encoded URL string

## Output

Returns the decoded plain UTF-8 string with all percent-encoded sequences (e.g. %20, %2F, %C3%A9) converted back to their original characters.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "description": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/url-percent-decode-4a47aca3/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402render-u5vwpxpyua-uc.a.run.app](https://www.zero.xyz/host/x402render-u5vwpxpyua-uc.a.run.app/llms.txt)