the402 endpoint detail

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zeroclick.affiliate.com convert sku-to-barcode

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

answers 402

Convert merchant SKUs to barcodes. Provide the SKUs and the merchant they belong to, and each SKU maps to its barcode 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
0x63e5bdc33ebf3506405cac9cd19a1ecd78e97649
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
2629 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:32:00.839Z (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%2Fsku-to-barcode"