錢包認證 (SIWX)

Authorization: SIWX base64(message).signature

api.chainstream.io wants you to sign in with your Ethereum account:
0xYourWalletAddress

Sign in to ChainStream API

URI: https://api.chainstream.io
Version: 1
Chain ID: 8453
Nonce: abc123def456
Issued At: 2026-03-26T10:00:00Z
Expiration Time: 2026-03-27T10:00:00Z

# 通过 CLI（自动）
chainstream login
chainstream token info --chain sol --address So11111111111111111111111111111111111111112
# → 402 触发套餐选择 → x402 支付 → API Key 已保存

# 或通过直接 x402 购买
curl https://api.chainstream.io/x402/purchase?plan=nano
# → 按 x402 支付流程操作

# 1. 构造并签名消息（使用你偏好的工具）
# 2. Base64 编码消息并附加签名
TOKEN="base64EncodedMessage.signatureHex"

# 3. 在任何 API 调用中使用
curl https://api.chainstream.io/v2/token/sol/So11111111111111111111111111111111111111112 \
  -H "Authorization: SIWX $TOKEN"

import { ChainStreamClient } from "@chainstream-io/sdk";

const cs = new ChainStreamClient({
  auth: {
    type: "siwx",
    address: "0xYourWalletAddress",
    signMessage: async (message: string) => {
      return await wallet.signMessage(message);
    },
  },
});

const token = await cs.token.getToken("So11111111111111111111111111111111111111112", "sol");

chainstream login
chainstream token info --chain sol --address So11111111111111111111111111111111111111112