The market data powering Cardano's best apps.
Real-time DEX prices, OHLC candles, holders, wallet P&L and NFT data across every Cardano DEX - through one Nexus API key.
Free Builder trial · no credit card · live in minutes
Powering teams across Cardano
What you get
One API for all of Cardano's market data
Real-time DEX prices
Live prices across every Cardano DEX, aggregated into one clean feed - no per-DEX plumbing.
OHLC candles
15m to 1W candles, gap-aware and TradingView-ready for charting out of the box.
Volume & TVL
24h volume and TVL per token, per DEX, and aggregated - with organic-volume filtering.
Holders & distribution
Top holders, holder counts and concentration for any native token.
Wallet portfolio & P&L
Holdings plus FIFO realized / unrealized P&L for any stake address.
NFT market data
Collections, floor prices and on-chain sales across Cardano marketplaces.
Event webhooks (Blueprints)
NewSubscribe to the on-chain events you care about with Blueprints and get a webhook the instant they fire. No polling, no missed moments.
Why Nexus
Data you can build on
Production-proven
The same market-data feed that powers Nexus Cardano Market Data in production.
Aggressive caching
Hot data served in milliseconds, so your app stays fast under load.
Real-time prices
Swap-derived prices updated continuously - fresh data, not stale snapshots.
OpenAPI 3.1
Typed spec, generated clients, and interactive docs.
Full pricing, docs and plans at nexus.gerowallet.io.
Start in one request
One header. Every price.
curl -H "X-Api-Key: $NEXUS_KEY" \
"https://nexus.gerowallet.io/api/v1/prices/latest?network=CARDANO_MAINNET"
# → live prices for every tracked Cardano token
# [{ "assetId": "…SNEK", "priceAda": 0.0021, "priceChange24h": 5.3,
# "volume24h": 812344, "tvl": 1904233, … }, … ]Every endpoint is documented in the API reference.
Start building with Cardano market data
Grab a free Builder key and pull live prices in minutes. Scale when you're ready.