TESTNET ONLY

Testnet payment

Create a testnet top-up intent and use an x402-compatible client to settle it. This page never signs a wallet, uses real funds, or touches production payment.

TESTNET ONLY USDC on Solana Devnet x402 settlement no wallet signing here

Testnet wallet-bind, API-key minting, and deposit-address flows are not supported here. Create an intent with a testnet API key, then settle it with an x402-compatible client. No browser wallet signature is requested.

amount (USDC)$5

Rotate my key — mints a fresh key (shown once) and the old one stops working immediately.

network

testnet API key

POST /v1/billing/topup/intents · amount_micros · network: solana-devnet

⚠ Your API key — shown only once. Save it now.

The browser cannot produce the required signed X-Payment payload. Use an x402-compatible testnet client with the exact endpoint below; no wallet signature is fabricated here.

intent id

POST https://api.replynodes.com/testnet/v1/billing/topup/x402/<intent_id>
Authorization: Bearer <testnet-key>
X-Payment: <signed-x402-payment-payload>
(no request body)

amount (USDC)$5

network

any wallet

POST /v1/billing/topup/x402/<intent_id> · X-Payment: signed payload

Agents top up programmatically — point yours at payment.json. Prefer paying per call? Every endpoint also accepts raw x402 — no key needed at all.