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AI Crawler Access Checker
x402
AI Crawler Access Checker is a paid API for AI agents from api.timzinin.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Checks whether AI bots and crawlers (GPTBot, ClaudeBot, etc.) are allowed or blocked by a website's robots.txt and llms.txt, returning per-bot verdicts and AI access scores
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-call data & tool APIs
Output
A JSON object containing per-bot verdicts (allowed/partial/blocked) for major AI crawlers (GPTBot, ClaudeBot, OAI-SearchBot, PerplexityBot, etc.), matched robots.txt rules, restricted paths, robots.txt and llms.txt existence and HTTP status, a list of fully blocked bots, sitemaps found, an aiAccessScore (0–100), an aiSearchScore (0–100), a human-readable summary, and run metadata including elapsed time and item count.
Example use cases
Audit competitor site for AI crawlability
“Check if AI bots like GPTBot and ClaudeBot are blocked on https://anthropic.com — I want to know which ones are allowed, which paths are restricted, and what the AI access score is.”
Verify own site before LLM indexing
“Can you audit https://myblog.com to see if it allows AI training and search crawlers? Tell me if robots.txt exists, whether llms.txt is set up, and which bots have full vs partial access.”
Research AI content policy of a news site
“I want to know how https://nytimes.com handles AI crawler access — which bots are allowed or blocked, what paths they're restricted from, and whether there's an llms.txt file.”
Technical details
Endpoint
POSThttps://api.timzinin.com/api/ai-crawler-access-checkerWhen to prefer
Use this endpoint when you need to determine whether AI crawlers and LLM training bots can access a specific website, including per-bot granularity, path-level restrictions, and presence of llms.txt. Prefer this over manually parsing robots.txt when you need structured, scored output with vendor attribution (OpenAI, Anthropic, Perplexity) and a normalized AI access score rather than raw text parsing.
Side effects
- Website is unreachable or returns a non-200 status for robots.txt — error field will be populated
- Domain does not exist — results in a network error or null response
- llms.txt returns 403 or 404 — reflected in llmsFullTxt.status and llmsTxt.status fields
- Malformed URL input — may cause a 400-level error or empty results
- Rate limiting by the target website during robots.txt fetch — may cause incomplete results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| websites | array | |
| maxConcurrency | integer |
Output
Schema · Response
{
"type": "json",
"example": {
"meta": {
"run_ms": 1200,
"settled": true,
"item_count": 1
},
"results": [
{
"bots": [
{
"bot": "GPTBot",
"vendor": "OpenAI",
"purpose": "training",
"verdict": "partial",
"matchedRule": "wildcard",
"restrictedPaths": [
"/microsoft-for-startups/"
]
},
{
"bot": "OAI-SearchBot",
"vendor": "OpenAI",
"purpose": "search",
"verdict": "partial",
"matchedRule": "wildcard",
"restrictedPaths": [
"/microsoft-for-startups/"
]
},
{
"bot": "ClaudeBot",
"vendor": "Anthropic",
"purpose": "training",
"verdict": "partial",
"matchedRule": "wildcard",
"restrictedPaths": [
"/microsoft-for-startups/"
]
},
{
"bot": "PerplexityBot",
"vendor": "Perplexity",
"purpose": "search",
"verdict": "partial",
"matchedRule": "wildcard",
"restrictedPaths": [
"/microsoft-for-startups/"
]
}
],
"error": null,
"found": true,
"llmsTxt": {
"exists": false,
"status": 403
},
"summary": "All audited AI crawlers are allowed.",
"website": "https://openai.com",
"sitemaps": [
"https://openai.com/sitemap.xml"
],
"checkedAt": "2026-07-26T13:55:53.146Z",
"robotsTxt": {
"error": null,
"exists": true,
"status": 200
},
"blockedBots": [],
"llmsFullTxt": {
"exists": false,
"status": 403
},
"aiAccessScore": 100,
"aiSearchScore": 100
}
]
}
}Tags
x402
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