x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.
Free
One server, in payments & billing. x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.
Payments & Billing
x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.
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.