The open x402 playground
Build with x402.
Start with GET /api/art. Read the PAYMENT-REQUIRED challenge, choose an accepted network and asset, sign a payment authorization, and retry using PAYMENT-SIGNATURE. A successful response includes your artwork and PAYMENT-RESPONSE. Use the OpenAPI definition, machine-readable guide and Agent Card to discover the service.
Machine-readable: OpenAPI, agent guide and A2A Agent Card.