USDC / USDT / USDG로 RPC 결제하기: AI 에이전트를 위한 프로그래밍 방식 충전

https://api.blockvectra.com

curl -s https://api.blockvectra.com/v1/topup/status

{
  "enabled": true,
  "networks": [
    {
      "network": "base_mainnet",
      "chain_id": 8453,
      "token": "USDC",
      "enabled": true
    },
    {
      "network": "bsc_mainnet",
      "chain_id": 56,
      "token": "USDT",
      "enabled": true
    },
    {
      "network": "bsc_mainnet",
      "chain_id": 56,
      "token": "USDC",
      "enabled": true
    }
  ]
}

curl -s https://api.blockvectra.com/v1/topup/status | jq -r .min_deposit_usd

curl -s \
  -H "x-api-key: $BLOCKVECTRA_API_KEY" \
  https://api.blockvectra.com/v1/topup/deposit-address

{
  "address": "0x<your-dedicated-deposit-address>",
  "deposits_url": "https://api.blockvectra.com/v1/topup/deposits",
  "networks": [
    {
      "chain": "base_mainnet",
      "chain_id": 8453,
      "name": "Base",
      "typical_credit_seconds": 30,
      "explorer_tx_url": "https://basescan.org/tx/{tx_hash}",
      "tokens": [
        {
          "symbol": "USDC",
          "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "decimals": 6,
          "min_amount_raw": "1000000"
        }
      ]
    },
    {
      "chain": "bsc_mainnet",
      "chain_id": 56,
      "name": "BNB Smart Chain",
      "typical_credit_seconds": 60,
      "explorer_tx_url": "https://bscscan.com/tx/{tx_hash}",
      "tokens": [
        {
          "symbol": "USDT",
          "contract": "0x55d398326f99059fF775485246999027B3197955",
          "decimals": 18,
          "min_amount_raw": "1000000000000000000"
        },
        {
          "symbol": "USDC",
          "contract": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
          "decimals": 18,
          "min_amount_raw": "1000000000000000000"
        }
      ]
    }
  ]
}

{
  "error": {
    "code": "missing_api_key",
    "message": "missing API key: send it in the x-api-key header",
    "data": {
      "reason": "missing_api_key",
      "docs_url": "https://docs.blockvectra.com/en/errors/#missing_api_key",
      "retryable": false
    }
  }
}

{
  "error": {
    "code": "topup_disabled",
    "data": {
      "reason": "topup_disabled",
      "docs_url": "https://docs.blockvectra.com/en/errors/#topup_disabled",
      "retryable": false
    }
  }
}

curl -s \
  -H "x-api-key: $BLOCKVECTRA_API_KEY" \
  "https://api.blockvectra.com/v1/topup/deposits?tx_hash=0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890"

{
  "items": [
    {
      "deposit_id": 42,
      "chain": "base_mainnet",
      "chain_id": 8453,
      "token": "USDC",
      "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "25.000000",
      "tx_hash": "0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
      "tx_log_ordinal": 0,
      "block_number": 123456789,
      "external_ref": "eip155:8453:0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890:0",
      "status": "credited",
      "reason": null,
      "credited_units": 250000,
      "credited_cu": 250000000,
      "detected_at": "2026-10-02T10:00:00Z"
    }
  ],
  "next_before": null
}

import process from "node:process";

const apiKey = process.env.BLOCKVECTRA_API_KEY;
if (!apiKey) {
  throw new Error("Missing BLOCKVECTRA_API_KEY environment variable");
}

const BASE_URL = "https://api.blockvectra.com";

// 1. Check availability and read minimum deposit threshold
const statusRes = await fetch(`${BASE_URL}/v1/topup/status`);
const status = await statusRes.json();
if (!status.enabled) {
  throw new Error("Top-up is currently disabled");
}
const minDepositUsd = status.min_deposit_usd;
console.log("Minimum deposit (USD):", minDepositUsd);

// 2. Retrieve deposit address and open networks
const addressRes = await fetch(`${BASE_URL}/v1/topup/deposit-address`, {
  headers: { "x-api-key": apiKey },
});

if (addressRes.status === 401) {
  throw new Error("Missing or invalid API key (HTTP 401)");
}
if (addressRes.status === 409) {
  throw new Error("Top-up is disabled (topup_disabled)");
}
if (!addressRes.ok) {
  throw new Error(`Failed to retrieve deposit address: ${addressRes.status}`);
}

const depositData = await addressRes.json();
console.log("Deposit address:", depositData.address);
console.log("Open networks count:", depositData.networks.length);

// 3. Poll deposit status
async function checkDepositStatus(txHash) {
  const url = new URL(`${BASE_URL}/v1/topup/deposits`);
  url.searchParams.set("tx_hash", txHash);

  const res = await fetch(url, {
    headers: { "x-api-key": apiKey },
  });
  if (res.status === 401) {
    throw new Error("Missing or invalid API key (HTTP 401)");
  }
  if (!res.ok) {
    throw new Error(`Failed to query deposits: ${res.status}`);
  }
  return res.json();
}

# pip install requests
import os
import requests

api_key = os.environ.get("BLOCKVECTRA_API_KEY")
if not api_key:
    raise ValueError("Missing BLOCKVECTRA_API_KEY environment variable")

base_url = "https://api.blockvectra.com"

# 1. Check availability and read minimum deposit threshold
resp = requests.get(f"{base_url}/v1/topup/status", timeout=10)
resp.raise_for_status()
status_data = resp.json()
if not status_data.get("enabled"):
    raise RuntimeError("Top-up is currently disabled")
min_deposit_usd = status_data.get("min_deposit_usd")
print("Minimum deposit (USD):", min_deposit_usd)

# 2. Retrieve deposit address
resp = requests.get(
    f"{base_url}/v1/topup/deposit-address",
    headers={"x-api-key": api_key},
    timeout=10,
)
if resp.status_code == 401:
    raise RuntimeError("Missing or invalid API key (HTTP 401)")
if resp.status_code == 409:
    raise RuntimeError("Top-up is disabled (topup_disabled)")
resp.raise_for_status()
deposit_data = resp.json()
print("Deposit address:", deposit_data["address"])

# 3. Poll deposit status
def check_deposit_status(tx_hash: str):
    resp = requests.get(
        f"{base_url}/v1/topup/deposits",
        headers={"x-api-key": api_key},
        params={"tx_hash": tx_hash},
        timeout=10,
    )
    if resp.status_code == 401:
        raise RuntimeError("Missing or invalid API key (HTTP 401)")
    resp.raise_for_status()
    return resp.json()