Flowise x402 Integration

// Custom Tool Configuration in Flowise
const tool = {
  name: "x402_payment",
  description: "Execute x402 payments through the visual interface",
  schema: {
    type: "object",
    properties: {
      amount: { type: "string", description: "Payment amount" },
      recipient: { type: "string", description: "Recipient address" }
    },
    required: ["amount", "recipient"]
  },
  func: async ({ amount, recipient }) => {
    try {
      const response = await fetch('https://api.x402.com/payments', {
        method: 'POST',
        headers: {
          'Authorization': `Bearer ${process.env.X402_API_KEY}`,
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({ amount, recipient })
      });
      const result = await response.json();
      return `Payment of ${amount} sent to ${recipient}. Transaction ID: ${result.id}`;
    } catch (error) {
      return `Payment failed: ${error.message}`;
    }
  }
};