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Cardano APIs
for Developers

Fast, reliable access to the Cardano blockchain. Build dApps without running nodes.Mainnet & Preprod Testnet supported.

// Connect to Ogmios
const client = new OgmiosClient({
url: "wss://api.nacho.builders/v1/ogmios",
apiKey: process.env.API_KEY
});
// Query the chain
const tip = await client.query("queryNetwork/tip");

Why Choose Nacho APIs?

⚡

Instant Ogmios Access

WebSocket connection to Cardano nodes for real-time chain queries and transaction submission

🔮

GraphQL API

Flexible queries for blocks, transactions, UTxOs, and stake pools with powerful filtering

🧪

Mainnet & Preprod Testnet

Same API key works on both networks. Build and test on Preprod, deploy to Mainnet seamlessly

💳

Transaction Submit API

Simple REST endpoint for submitting signed transactions to the blockchain

🔒

Enterprise Security

API keys, rate limiting, and secure infrastructure with 99.9% uptime SLA

📈

Real-time Analytics

Comprehensive dashboard with usage metrics, request logs, and performance data

Simple, Transparent Pricing

Start free, scale with pay-as-you-go credits

Free API Key

Included with every account

100k
requests/day
  • ✓100 requests/second
  • ✓100,000 requests/day
  • ✓5 WebSocket connections
  • ✓30 days data retention
  • ✓Mainnet & Preprod Testnet
  • ✓Ogmios & Submit API
  • ✓No credits required
Popular

Paid API Keys

Pay as you go with ADA

From $10
≈ 35 ADA
Credits never expire
  • ✓500 requests/second
  • ✓Unlimited daily requests
  • ✓50 WebSocket connections
  • ✓90 days data retention
  • ✓Mainnet & Preprod Testnet
  • ✓All endpoints (Ogmios, Submit)
  • ✓1 credit = 1 request
  • ✓Credits never expire

Credit Packages

Starter
$10
35 ADA
400k credits
Standard
$20
70 ADA
2M credits
Pro
$40
139 ADA
8M credits
Enterprise
$50
174 ADA
40M credits