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ONE Engine URL Decode
x402
ONE Engine URL Decode is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0009/call, status unknown (last checked 2026-10-02).
Decodes a URL-encoded string back to its original human-readable form.
Price / call$0.0009
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
Returns a JSON object with a 'text' field containing the decoded, human-readable version of the input URL-encoded string (e.g. percent-encoded characters like %20 are converted back to spaces and special characters).
Example use cases
Parsing encoded query parameters
“I got this URL-encoded string from a form submission — 'first%3DJohn%26last%3DDoe%26city%3DNew%20York' — can you decode it so I can read it properly?”
Cleaning scraped web data
“I scraped some data and the text fields are all URL-encoded with percent signs everywhere, like 'caf%C3%A9%20menu%3A%20cr%C3%AApes%20%26%20coffee'. Decode it for me so it's readable.”
Debugging API response payloads
“This API response came back with an encoded value 'Error%3A%20invalid%20token%20%28code%3A%20403%29' and I can't read it — decode that string for me.”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v1/url/decode?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, low-cost, pay-per-call URL decoding utility without managing infrastructure. It is ideal for autonomous agents operating on the x402/Base payment protocol that need to decode percent-encoded strings on demand as part of a larger workflow, and where a self-hosted or heavy-weight solution would be overkill.
Side effects
- Malformed or invalid percent-encoding in the input may produce unexpected output or an error response
- Missing or empty 'text' field in the request body may return an error or empty result
- Payment failure via x402 protocol may block the request from being processed
- Network timeout on the Cloudflare Workers edge may result in a 5xx response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string |
Output
Schema · Response
{
"type": "json",
"example": {
"text": "hello world?"
}
}Tags
x402
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