Task

Hello World

2 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.

x402 settlement check x402 REST usage

x402 settlement check. Get proof a wallet can finish 402, sign, settle, and read the result on Base, plus an echo and a signed Ed25519 receipt. Check the receipt with the published key. $0.01 USDC. Optional ?echo= comes...

aizamon.com Crypto & Payments 52 calls / 30d checked 2026-11-01

0.01 USDC per call per call

Hello World x402 x402 REST usage

Hello World x402 demo. Returns the JSON greeting {"message":"Hello World"} after a 0.001 USDC payment on Base, settled through the Coinbase x402 facilitator.

x402-hello-world.vercel.app Crypto & Payments 5 calls / 30d checked 2026-10-29

0.001 USDC per call per call

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