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PennyRail URL Domain Extractor
x402
PennyRail URL Domain Extractor 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).
Extracts the domain portion from a given URL string
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
Returns a JSON object containing the extracted domain (hostname) parsed from the provided URL string input.
Example use cases
Normalize link sources in analytics
“I have a bunch of raw URLs from our referral logs — can you pull out just the domain from each one, starting with 'https://blog.techcrunch.com/2024/01/article-name'?”
Deduplicate domains from a URL list
“I need to find the domain for 'https://shop.nike.com/us/en/c/shoes?anchor=25&facetPath=gender-mens' so I can group it with other Nike URLs.”
Validate allowed domains from user input
“A user just submitted the link 'https://malicious-subdomain.trusted-site.com/landing' — can you extract the domain from it so I can check it against our allowlist?”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/p/nano/url.domain--extract-url-domainWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call microservice to extract the domain from a URL without running your own parsing infrastructure. Ideal for agent workflows that occasionally need URL decomposition without bundling a full URL-parsing library. At $0.001 USDC per call it is cost-effective for low-to-moderate volume spot extractions.
Side effects
- Invalid or malformed URL input returns an error or empty domain
- Missing required 'input' field returns a validation error
- Non-URL string input may produce unexpected or empty results
- Network timeout or service unavailability returns a 5xx error
- Payment failure (x402) prevents request from being processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | string |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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