the402 endpoint detail

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zeroclick.affiliate.com convert url-to-barcode

https://zeroclick.affiliate.com/v1/tools/convert/url-to-barcode

answers 402

Convert retailer product page URLs to barcodes. Provide full URL strings, and each URL maps to an array of barcodes, empty when none were found.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.02
Network
base
Pay to
0xb7a398f9e4f012ba5346dba486360019373a0456
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
1386 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:32:00.336Z (2d ago)
Category
mcp-server

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fzeroclick.affiliate.com%2Fv1%2Ftools%2Fconvert%2Furl-to-barcode"