Kupo

Kupo is a Cardano blockchain indexer and API provider that offers a wide range of endpoints for querying blockchain data. It is designed to be fast, reliable, and easy to use, making it suitable for developers building applications on the Cardano platform.

INFO

XRAY/Network manages a standalone Kupo cluster. Only paid users can access it, you should switch to paid tariffs and recharge XRAY/Graph. Or instantiate your own Kupo instance.

Tips

• Client repository: https://github.com/xray-network/cardano-kupo-client
• Playground & API docs: https://cardanosolutions.github.io/kupo/
• You can configure API url and headers when initializing CW3js

Usage examples

import { CardanoWeb3, KupoTypes } from "cardano-web3-js"

const web3 = new CardanoWeb3({
  explorer: {
    "kupo": {
      url: "https://graph.xray.app/output/kupo/mainnet/api/v1",
      headers: {
        Authorization: `Bearer ${process.env.KUPO_API_KEY}`,
      }
    }
  }
})

console.log((await web3.explorers.kupo.GET("/health")).data)

// etc...

Direct API Access (needs authentication)

https://graph.xray.app/output/kupo/mainnet/api/v1/health