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SiteCheck Web Intel – robots.txt & security.txt Fetcher
x402
SiteCheck Web Intel – robots.txt & security.txt Fetcher is a paid API for AI agents from api.webintel-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-25).
Fetches and parses a domain's robots.txt and security.txt files, returning structured data about crawl rules, named user-agents, sitemaps, security contact/policy, and certificate expiry.
Price / call$0.002
Success—
StatusUnknown
How this service works
Reads a site's public robots.txt (crawl rules, sitemaps, AI-crawler rules) and security.txt (RFC 9116: contact, expiry, policy), and says whether security.txt is present, current or expired. Missing files are reported as absent, not as errors.
Output
A JSON object containing the domain checked, the source URL, and two sub-objects: robotsTxt (presence flag, number of groups, named user-agents, wildcard disallow paths, sitemap URLs) and securityTxt (presence flag, contact URLs, policy URL, canonical URLs, expiry timestamp, expired boolean, encryption key flag, and file location URL).
Example use cases
AI crawler access audit
“Check openai.com's robots.txt and tell me whether they explicitly block GPTBot or any other AI crawlers, and what paths are off-limits.”
Bug bounty program lookup
“I need to find the security contact and vulnerability disclosure policy for stripe.com — can you pull their security.txt and tell me if it's expired?”
SEO sitemap discovery
“Fetch the robots.txt for shopify.com and tell me what sitemaps are listed there so I can start an SEO audit.”
Technical details
Endpoint
GEThttps://api.webintel-api.workers.dev/api/security/robots-security-txt?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need structured, parsed data from both robots.txt and security.txt in a single call without writing your own HTTP fetcher and parser. It is ideal for security audits, responsible-disclosure lookups, AI-crawler policy checks, or SEO sitemap discovery. Prefer it over generic web scraping when you specifically want crawl rules and security disclosure metadata in a normalized JSON format, and when pay-per-call pricing without API-key signup is acceptable.
Side effects
- Domain not found or unreachable — may return empty presence flags or an error
- robots.txt or security.txt absent on the target domain — fields will indicate not present
- Malformed or non-standard files may result in incomplete parsing
- Rate limits or blocks on the target domain may prevent retrieval
- Invalid domain parameter format returns a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"domain": "github.com",
"source": "https://github.com/robots.txt",
"checkedAt": "2026-10-23T09:38:35.803Z",
"robotsTxt": {
"groups": 5,
"present": true,
"sitemaps": [
"https://github.com/sitemap_marketing.xml"
],
"userAgentsNamed": [
"GPTBot",
"OAI-SearchBot"
],
"wildcardDisallow": [
"/account-login",
"/copilot/"
]
},
"securityTxt": {
"policy": "https://bounty.github.com",
"contact": [
"https://hackerone.com/github"
],
"expired": false,
"expires": "2026-11-22T09:38:35z",
"present": true,
"location": "https://github.com/.well-known/security.txt",
"canonical": [
"https://github.com/.well-known/security.txt"
],
"hasEncryption": false
}
}
}Tags
x402
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