x0 protocol

1import { X0Client, PolicyConfig } from "@x0protocol/sdk";
2import { Connection, Keypair } from "@solana/web3.js";
3
4// Initialize client
5const client = new X0Client(
6  new Connection("https://api.devnet.solana.com"),
7  yourWallet
8);
9
10// Create agent with spending policy
11const policy: PolicyConfig = {
12  maxAmount: 100_000_000,     // 100 USDC
13  allowedDomains: ["api.openai.com"],
14  expiresAt: Date.now() + 86400000,  // 24hr
15};
16
17const agent = await client.createAgent(policy);
18
19// Agent makes HTTP 402 payment automatically
20const response = await agent.fetch(
21  "https://api.openai.com/v1/chat/completions",
22  {
23    method: "POST",
24    body: JSON.stringify({
25      model: "gpt-4",
26      messages: [{ role: "user", content: "Hello!" }]
27    })
28  }
29);
30
31console.log(await response.json());