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PennyRail URL Decode
x402
PennyRail URL Decode is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Decodes a percent-encoded (URL-encoded) string back to its original plaintext form
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
Returns a JSON object with an 'operation' field (identifying the operation performed) and a 'result' field containing the decoded plaintext string after percent-encoding has been reversed.
Example use cases
Decode encoded query parameter
“I pulled this value out of a URL query string and can't read it — can you decode 'search%3Dpython%20tutorials%26page%3D2' back to plain text?”
Unescape form submission data
“This form POST gave me a percent-encoded payload: 'name%3DJohn%20Doe%26email%3Djohn%40example.com' — can you decode that so I can see the actual field values?”
Readable API response value
“The API returned a value that looks URL-encoded: '%7B%22status%22%3A%22ok%22%7D' — can you decode it so I can read what it actually says?”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/f/encoding.url-decodeWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call microservice to decode percent-encoded (URL-encoded) strings without setting up your own decoding logic. It is ideal for agents processing URL parameters, form data, or encoded API responses on demand. At $0.001 USDC per call it suits low-volume or ad-hoc decoding tasks.
Side effects
- Malformed input that is not valid URL-encoded text may return an error or pass through unchanged
- Empty input string may return an empty result or error
- Non-string input types will fail schema validation
- Sequences like %GG (invalid hex) may cause parsing errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | string | string |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| resultrequired | — | |
| operationrequired | string |
Tags
x402
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