API

  • Maestro

    Maestro run ISPOs for projects in the Cardano ecosystem and provide a blockchain API to aid them in development.

    Maestro, Cardano Project Building Resources.
    Maestro
  • Symbiosis

    A Cross-Chain Engine and Liquidity Protocol linked to Milkomeda C1.

    Symbiosis, Cardano DeFi.
    Symbiosis
  • Ray Network

    Developers of an open sourced DeFi ecosystem, tools for developers, and user tools on the Cardano blockchain.

    Ray Network, Cardano DeFi.
    Ray Network
  • go-cardano-submit-api

    Golang implementation of the Cardano submit-api service

    go-cardano-submit-api, Cardano Developer Tools.
    go-cardano-submit-api
  • Cardano Python Module

    Python module for handling Cardano cryptocurrency. Currently it wraps the cardano-wallet API in a Python code, providing an abstraction layer.

    Cardano Python Module, Cardano Developer Tools.
    Cardano Python Module
  • Kupo

    A lightweight, configurable, chain-index for Cardano. Creating lookup tables for transaction outputs for patterns matching addresses.

    Kupo, Cardano Developer Tools.
    Kupo
  • FreeLoaderz

    A Coalition of Cardano Stake Pools offering url API access to their relay servers to help improve transaction speed by opening up ports to user wallets

    FreeLoaderz, Cardano Dev Tools.
    FreeLoaderz
  • CardanoBI

    A fully open-source Business Intelligence API layer to provide on-chain analytics and enable new data-driven services on Cardano.

    CardanoBI, Cardano Developer Tools.
    CardanoBI
  • PoolData.Live

    A ready-to-use public datasource for Grafana. Simply providing stake pool operators, SPOs, with the metrics they need to monitor their stake pools.

    PoolData.Live, Cardano Stake Pool Operator Tools.
    PoolData.Live
  • CloudStruct

    Software and Services for the Cardano Blockchain

    CloudStruct, Cardano Developer Tools.
    CloudStruct
  • koios

    A decentralized and elastic REST based query layer for exploring data on the Cardano blockchain.

    koios, Cardano Dev Tools.
    koios
  • OpenCNFT Public Rest API

    The open sourced API for the data gathered on OpenCNFT, available for public use with a simple and polite citation to the creator.

    OpenCNFT Public Rest API, Cardano Dev Tools.
    OpenCNFT Public Rest API
  • Tangocrypto

    Highly available and scalable software infrastructure (APIs/SDKs) for developers to build on top of Cardano, saving time and reducing costs.

    Tangocrypto, Cardano Developer Tools.
    Tangocrypto
  • Cardano GraphQL

    Cross-platform, typed, and queryable API for Cardano, containing multiple packages for composing GraphQL services to meet specific application demands.

    Cardano GraphQL, Cardano Developer Tools.
    Cardano GraphQL
  • OpenCNFT

    Ranking Cardano NFT projects by sales volume, floor price, and quantity of NFTs sold. Metrics are available over various time periods. 3k projects and counting.

    OpenCNFT, Cardano User Tools.
    OpenCNFT
  • Cardano Token Registry

    A repository facilitating the registration of off-chain token metadata to map it to on-chain identifiers for Cardano native tokens.

    Cardano Token Registry, Cardano Dev Tools.
    Cardano Token Registry
  • Blockfrost

    Instant and scalable APIs for those looking for a trusted source of data points from the Cardano blockchain. Also offering numerous SDKs for developers.

    Blockfrost, Cardano Developer Tools.
    Blockfrost
  • Ogmios

    A lightweight protocol translation service acting as a translation interface between Cardano nodes and applications written in languages besides Haskell.

    Ogmios, Cardano Developer Tools.
    Ogmios
  • Gimbalabs

    An open-sourced resource of CSKs, APis, and other tools designed to facilitate developer learning and the development and launch of proof of concept.

    Gimbalabs, Cardano Developer Tools.
    Gimbalabs
  • Fluree

    A decentralized data management platform, a database which works like an application, operating as a sidechain of the Cardano network.

    Fluree, Cardano Developer Tools.
    Fluree

API stands for Application Programming Interface.

An API is an intermediary or go-between that allows computers or computer programs to talk to each other and pass information back and forth. APIs act as the messengers that take the request from the computer or computer program to the source that can provide the answer to that request, retrieves the answer, and then bringing it back to the computer or program that initiated the request.

In the blockchain space APIs are mainly used to query the blockchain. This is to say, that an API can be used to abstract specific data points from the blockchain so that a computer or program can use those data points to inform its user or its actions.