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Cardano Transaction Builder API: Intent In, Unsigned CBOR Out
Build Cardano transactions server-side: UTXO selection, fees, delegation, governance, and DEX swaps returned as unsigned CBOR. Keys stay client-side.
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Blog
Guides, comparisons, and deep dives on building with Cardano data APIs.
Cardano Wallet Analytics API: Holdings, History, and FIFO P&L for Any Stake Address
Query holdings with USD valuation, wallet value over time, and FIFO profit-and-loss for any Cardano stake address through one REST API. 7-day trial.
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Cardano WebSocket API: Live Prices, Swaps, and dApp Events Without Polling
Stream live Cardano token prices, DEX swap events, and dApp events over STOMP WebSockets instead of polling. Snapshot on subscribe, then live updates.
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Inside the Nexus API: Market Data, Wallet Analytics, Transactions, and Streaming on One Platform
What the Nexus API includes: market data across 11 Cardano DEXes, FIFO wallet analytics, a transaction builder, WebSocket streaming, and an MCP server.
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