x402 utilities on Base: USDC payment verification, risk scores, signed receipts ($0.01 USDC/call).
Free
One server, in payments & billing. x402 utilities on Base: USDC payment verification, risk scores, signed receipts ($0.01 USDC/call).
Payments & Billing
x402 utilities on Base: USDC payment verification, risk scores, signed receipts ($0.01 USDC/call).
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.