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QuickstartHow x402 Payments WorkBuyer/Client GuideNaven CLISeller/Server Guide

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Payments

Resources

Mint NFTRobinhood x402
Naven Network
Demo

Robinhood x402

Test a Robinhood Chain x402 payment-gated API.

Robinhood Chain

Demo endpoint

Naven exposes a Robinhood Chain x402 smoke-test endpoint for validating paid API requests with USDG.

FieldValue
Endpointhttps://api.naven.network/x402-test/ping
NetworkRobinhood Chain eip155:4663
TokenUSDG
Asset0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168
Price$0.0001
Receiver0xb9A67f59bcfd3b45fe1ca2c55A55C19B2b35B58f
Facilitatorhttps://facilitator.naven.network

Payment flow

Call the endpoint without a payment header to receive an x402 402 Payment Required challenge. The challenge includes the Robinhood Chain payment requirements and can be signed by an x402-compatible client.

curl -i https://api.naven.network/x402-test/ping

After signing the challenge, send the payment signature header back to the same endpoint. A successful request returns a JSON response with message: "paid pong" and exposes the settlement result in the PAYMENT-RESPONSE header.

Try a payment in your browser

Open the Naven x402 payment demo to make a real 0.01 USDG payment from a connected wallet. The page displays the settlement transaction hash, polls Naven's recipient transaction API, and highlights the matching indexed transaction when it becomes available.

The demo uses:

GET https://api.naven.network/x402-test/demo
GET https://api.naven.network/x402scan/transactions?recipient=0xd8F4...2363

The first endpoint returns the x402 payment requirement and settlement result. The second returns Naven-recognized transfers for the payment recipient.

Mint NFT

Mint an NFT through an x402 payment-gated API.

On this page

Demo endpointPayment flowTry a payment in your browser