x402 Payments Playground

Configure payment request parameters and run an end to end paid API call.

Documentation

Configuration

Chain

Token

Amount (USD)

Amount in USD quoted for payment requirements.

Pay To Address

Transport

Integritas stamp

Blockchain timestamp receipt

Paid API Call

$0.01 USDC

Pay for access with USDC on Base.

API Call Response

Ready for a paid API request.

Custom x402 API URL (optional)

Use custom URL

Default playground endpoint: https://api.relai.fi/api/playground/premium?network=base&asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&amountUsd=0.01&payTo=0x1892f72fdB3A966b2AD8595aA5f7741Ef72d6085&waitUntil=simulated&paymentScheme=exact

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