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PennyRail URL Normalize
x402
PennyRail URL Normalize is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Normalizes a raw URL string into a canonical, standardized form
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
Returns a JSON object containing the 'operation' field (a string naming the operation performed) and a 'result' field with the normalized, canonical URL string, plus any additional metadata fields.
Example use cases
Deduplicate crawler URL queue
“I'm building a web crawler and need to normalize all URLs before adding them to my queue — can you clean up 'https://WWW.Example.com:80/path//to/page?z=1&a=2' into its canonical form so I can deduplicate properly?”
Standardize URLs before database storage
“Before I insert this URL into my database, can you normalize 'http://mysite.com/../products/shoes?color=red&size=10' so it's consistent with the other entries?”
Canonical URL for link comparison
“I need to check if two links point to the same resource — can you normalize 'HTTPS://Blog.Example.com/post/1?utm_source=twitter' so I can compare it against my canonical URL list?”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/f/url.normalizeWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call URL normalization service with no setup, suitable for agentic workflows processing individual URLs one at a time. Prefer it over regex-based manual normalization when you need reliable canonical output without building custom logic. At $0.001 USDC per call, it's cost-effective for moderate volumes where precision matters.
Side effects
- Invalid or malformed input URL that cannot be parsed — likely returns an error in the result field
- Empty or missing 'input' field — returns a 400-level error
- Non-string input type — schema validation failure
- Extremely long URLs may timeout or be rejected
- Relative URLs without a base may fail to normalize fully
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | string | string URL |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| resultrequired | — | |
| operationrequired | string |
Tags
x402
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