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X402 Seller Check

Is this x402 seller real? Pass ?seller= with a host (api.example.com) or a payTo address (0x...).

$0.00575USDC per call · settled on Base · no subscription, no API key

Overview

Is this x402 seller real? Pass ?seller= with a host (api.example.com) or a payTo address (0x...). From Coinbase's own Bazaar counts (re-read every 6 hours) we return its listings, 30-day payers and calls, and the one number that separates customers from a test harness: how many times the average payer came back. For an Arc payTo we add its settlements from our full Arc x402 index: distinct payers and the top payer's share.

Endpoint

MethodEndpointPriceDescription
GET/v1/marketplace/api/x402-seller-check$0.00575Invoke X402 Seller Check (Search) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i https://api.jarvisclaw.ai/v1/marketplace/api/x402-seller-check

# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://api.jarvisclaw.ai/v1/marketplace/api/x402-seller-check
Open in the marketplace

Docs: Getting started · x402 payments · x402 discovery · All APIs