Task

Gs1

1 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Google merchant gtin check x402 REST usage

Google Merchant Center `gtin`, `mpn`, `brand`, and `identifier_exists` feed attribute matrix. Pass ?condition=new|refurbished|custom_handmade (default new) & ?has_gtin=true|false (default true). Returns exact feed attrib...

x402-niche-briefs.fly.dev Search & Research 1 calls / 30d checked 2026-10-27

0.01 USDC per call per call

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