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Product Availability Checker
x402
Product Availability Checker is a paid API for AI agents from elon.tail49499f.ts.net, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Checks the stock/availability status of a product at a given public URL and returns structured availability data (e.g. InStock, OutOfStock).
Price / call$0.01
Success—
StatusUnknown
How this service works
Curated x402 website intelligence API for autonomous AI agents. 24 high-value paid tools covering web content, company research, ecommerce product intelligence, SEO, security and domain trust.
Output
A JSON object containing an 'availability' field with a value such as 'InStock' or 'OutOfStock', indicating whether the product at the given URL is currently available for purchase.
Example use cases
Pre-purchase stock verification
“Before I add it to my cart, can you check if this product is actually in stock: https://www.nike.com/t/air-max-270-shoes/AH8050-002”
Restock monitoring for wishlist item
“I've been waiting for this item to come back — can you check the availability status of https://www.bestbuy.com/site/sony-wh1000xm5/6505727.p so I know if it's in stock now?”
Competitor ecommerce intelligence
“I want to know if our competitor's flagship product is currently available — check the stock status at https://www.competitorstore.com/products/main-product”
Technical details
Endpoint
POSThttps://elon.tail49499f.ts.net/product/availabilityWhen to prefer
Use this endpoint when you need a quick, structured availability signal for a specific product URL without scraping the full page yourself. Ideal for pre-purchase checks, restock monitoring, or competitive intelligence on ecommerce listings. Prefer this over general web scrapers when you specifically need availability/stock status as a clean, parsed field.
Side effects
- URL is not a public product page — may return unexpected or null availability
- Page requires authentication or JavaScript rendering — extraction may fail
- Product page structure is non-standard — availability field may not be detected
- Invalid or malformed URL input — request will fail with an error
- Rate limiting or site blocking — the target page may reject the crawler
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | Public HTTP or HTTPS URL to analyze |
Output
Schema · Response
{
"type": "json",
"example": {
"availability": "InStock"
}
}Tags
x402
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