Unified Blockchain Data
Reliable, Redundant, Real-Time.
Enterprise-grade blockchain data platform with maximum uptime and intelligent failover. Access Cardano and Midnight blockchain data through our powerful APIs and comprehensive developer tools.
Provider Redundancy
Multiple blockchain data providers ensure your application never goes down
Maximum Uptime
99.9% uptime guarantee with intelligent failover and monitoring
GERO Benefits
Get 50% discounts and extra API calls by holding GERO tokens
Enterprise Features
Mission-critical blockchain data platform with intelligent redundancy and comprehensive data aggregation.
Maximum Uptime
99.9% uptime guarantee with intelligent provider redundancy and automatic failover.
Lightning Fast
Sub-100ms response times with intelligent caching and provider optimization.
Provider Redundancy
Multiple blockchain data providers ensure your application never goes down.
Real-time Analytics
Comprehensive usage analytics and performance monitoring.
GERO Token Benefits
Hold GERO tokens for discounts and enhanced API limits.
99.9% Uptime
Reliable service with intelligent routing and health monitoring.
Comprehensive Data
Access blockchain, DeFi, NFT, and market data through unified APIs.
Smart Routing
AI-powered provider selection for optimal performance and cost.
Data Privacy
GDPR compliant with advanced data protection and anonymization.
Easy Integration
Get started in minutes with our simple APIs and comprehensive SDKs. Built for developers, by developers.
// Initialize the Nexus client
import { GeroNexus } from '@gero/nexus-sdk';
const client = new GeroNexus({
apiKey: 'your-api-key-here',
baseUrl: 'https://api.gero-nexus.com'
});
// Get ADA price from multiple DEXs
const adaPrice = await client.defi.getTokenPrice({
symbol: 'ADA',
providers: ['sundaeswap', 'minswap', 'wingriders']
});
console.log(`ADA Price: $${adaPrice.bestPrice}`);
console.log(`Best DEX: ${adaPrice.bestProvider}`);
// Get wallet balance
const balance = await client.cardano.getWalletBalance({
address: 'addr1qx...',
includeTokens: true
});
console.log(`ADA Balance: ${balance.ada} ADA`);
console.log(`Tokens: ${balance.tokens.length} different tokens`);Why Choose Nexus?
Multi-Provider Aggregation
Automatically query multiple blockchain providers and get the best data available.
Intelligent Failover
Built-in redundancy ensures your app stays online even when providers go down.
Real-time Data
Get live blockchain data with sub-100ms response times through smart caching.
Easy Integration
Simple SDKs and REST APIs make integration quick and straightforward.
Trusted by Developers
Simple, scalable Nexus pricing
Pick a base tier, enable only the add-ons you need. New to Nexus? Start with a 7-day free trial on the Builder plan — no credit card required.
Builder
Indie devs and side projects.
7-day free trial- 2,000,000 requests / month
- 25 req/s sustained · burst 250
- 3 API keys
- Full blockchain API
- Preprod + mainnet access
- Add-ons available
Growth
Startups and DApp teams.
- 10,000,000 requests / month
- 50 req/s sustained · burst 500
- 5 API keys
- Everything in Builder
Scale
Production applications.
- 50,000,000 requests / month
- 100 req/s sustained · burst 1,000
- 10 API keys
- Everything in Growth
- Priority support
For exchanges, institutional, and regulated teams
Higher volumes, bundled add-ons, and isolated infrastructure with a contractual SLA.
Enterprise
Exchanges, aggregators, and institutional users.
Everything in Scale, plus all add-ons bundled and per-API-key rate limit overrides for mixed workloads.
- 200,000,000 requests / month
- 500 req/s sustained · burst 5,000
- Unlimited API keys
- Market Data, Wallet Analytics, Transaction Builder, and WS Unlimited included
- Per-API-key rate limit overrides
- Email support · 48h response
Dedicated
For compliance, data residency, and custom SLAs.
Your own isolated infrastructure. Negotiated request volumes, rate limits, SLA, and support channels.
- Dedicated GKE cluster + postgres
- Physical data isolation
- Contractual SLA (99.9%+, negotiable)
- Dedicated Slack/Teams · 4h response
- Custom endpoints and filtered streams
- On-premise option available
Add-ons
Mix and match capabilities. REST add-ons share your tier's unified request pool — one number to track. WebSocket has its own connection and message limits.
Market Data
Prices, OHLCV candles, DEX pools, order books, and NFT sales across all 11 Cardano DEXes.
- Prices across all 11 DEXes (Minswap, SundaeSwap, WingRiders, VyFi, Splash, TeddySwap, MuesliSwap, CSwap)
- OHLCV candles — 15m, 1h, 1D, 1W
- DEX pool TVL, reserves, fees
- Order books — AMM-simulated + MuesliSwap, GeniusYield
- NFT marketplace sales (jpg.store V2/V3)
- Token metadata — name, ticker, logo, decimals
Wallet Analytics
Holdings, transaction history, and FIFO-based P&L per wallet.
- Current holdings with USD valuation
- Full send/receive transaction history
- FIFO-based P&L calculation per token
Transaction Builder
Server-side UTXO selection, fee calc, and unsigned CBOR for transfers, staking, and governance.
- UTXO selection, fee calc, change outputs
- ADA + native token transfers
- Staking — pool delegation, key (de)registration
- Governance (Conway) — DRep delegation, votes
- Reward withdrawal
WebSocket Streaming
Live market data via STOMP-over-SockJS. Subscribe to price updates, trade events, and pool changes with a 10-second broadcast interval.
Need something different?
Build a custom plan below — configure add-ons, WebSocket packages, and preview your total in real time.
Configure Your Plan
Pick a base tier, toggle the add-ons you need, and preview your $GERO staking discount.
Base Tier
Select your plan tier.
Add-Ons
REST add-ons share your tier's unified request pool — one number to track.
WebSocket Streaming
Live market data via STOMP. Pick a package or skip entirely.
Coming soon
Hold $GEROGeroWallet's native Cardano token. Holding $GERO in any Cardano wallet automatically unlocks Nexus API discounts, Gero Card fee waivers, and on-chain governance voting. to unlock a sliding discount on your Nexus subscription — from 5% at $50 staked up to 20% at $1,000+. The discount feature is in final development and will activate automatically for qualifying wallets once it ships.