TRC20, ETH, BNB, SOL & more

Blockchain Infrastructure
For Developers

Access multiple blockchain networks through a single, powerful API. Build decentralized applications faster with reliable infrastructure.

View Documentation
99.9%
Uptime
<100ms
Latency
10M+
Requests

Supported Blockchains

Connect to major blockchain networks through a unified API

TRON
TRX / TRC20
Ethereum
Coming Soon
BNB Chain
Coming Soon
Polygon
Coming Soon

Why Choose 1stNode?

Everything you need to build powerful blockchain applications

Multi-Chain Support

Access Ethereum, Solana, BSC, Polygon and more through a unified API interface.

Lightning Fast

Sub-100ms response times with globally distributed infrastructure.

Secure & Reliable

99.9% uptime guarantee with enterprise-grade security and DDoS protection.

Real-time Data

WebSocket subscriptions for real-time blockchain events and transactions.

Easy Integration

RESTful API with comprehensive documentation and SDKs for all major languages.

Scalable Pricing

Pay only for what you use. From free tier to enterprise solutions.

How It Works

Get started in minutes with our simple onboarding process

Create Account

Sign up for free and get instant access to the dashboard.

Get API Key

Generate your unique API key to authenticate requests.

Choose Network

Select the blockchain networks you want to connect to.

Start Building

Make your first API call and start building your dApp.

Simple API Integration

Start building in minutes with our developer-friendly API. No complex setup required.

  • RESTful API with JSON responses
  • Comprehensive SDK support
  • Detailed error messages
  • Real-time WebSocket streams
# Get wallet balance
curl -X POST "https://1stnode.com/api/balance/check" \
  -H "X-API-Key: your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"address": "TRX7...xyz", "network": "tron"}'

# Response
{
  "success": true,
  "data": {
    "address": "TRX7...xyz",
    "network": "tron",
    "balance_trx": 1250.50,
    "balance_usdt": 5000.00
  }
}

Simple, Transparent Pricing

Choose the plan that fits your needs. Upgrade or downgrade anytime.

🧪 Free — Developer / Sandbox
$0 /month

👉 Только для разработки и тестирования интеграции

  • 50 requests/day
  • 1 req/sec rate limit
  • All networks
  • Community support
  • Webhook: Disabled
📈 Growth — Small Production
$99 /month

Использование Малые обменники / сервисы мониторинга

  • 4,500 requests/day
  • 5 req/sec rate limit
  • All networks
  • Priority support
  • Webhook: Disabled
🏢 Business — Production Grade
$249 /month

👉 Основной рабочий тариф (самый важный)

  • 1,500,000 requests/day
  • 15 req/sec rate limit
  • All networks
  • Dedicated support
  • Webhook: Disabled
🔥 Pro — Full Production
$499 /month

👉 High-load production / core инфраструктура

  • 4,500,000 requests/day
  • 30 req/sec rate limit
  • All networks
  • Dedicated support
  • Webhook: Disabled

Frequently Asked Questions

Everything you need to know about 1stNode API

We currently support TRON (TRX, TRC20 tokens including USDT), Ethereum (ETH, ERC20), BNB Chain (BNB, BEP20), and Polygon (MATIC). More networks are being added regularly.

Simply create a free account, generate your API key from the dashboard, and start making API calls. No credit card required for the free tier.

Rate limits depend on your plan. Free tier allows 1 request per second, Pro allows 10 req/sec, and Enterprise offers custom limits based on your needs.

Yes! We provide real-time WebSocket connections for transaction monitoring, block updates, and custom event subscriptions on all paid plans.

All API communications are encrypted with TLS 1.3. We offer API key authentication, IP whitelisting, and optional 2FA for account security.

Yes, you can change your plan at any time. When upgrading, you get prorated credit for unused days on your current plan.

Ready to Build the Future?

Join thousands of developers building on 1stNode infrastructure.

No credit card required