the402 endpoint detail

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zeroclick.affiliate.com convert barcode-to-sku

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

answers 402

Convert barcodes to merchant SKUs. Provide numeric barcode strings and the merchant to resolve against, and each barcode maps to its SKU or to null when no match exists.

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
0xbaaaf5fb2ba4ab4d086d1ec444f0a8e5cbe8900f
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
1634 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:32:00.400Z (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%2Fbarcode-to-sku"