Best Blockchain APIs for Harmony

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Compare the Top Blockchain APIs that integrate with Harmony as of December 2025

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This a list of Blockchain APIs that integrate with Harmony. Use the filters on the left to add additional filters for products that have integrations with Harmony. View the products that work with Harmony in the table below.

What are Blockchain APIs for Harmony?

Blockchain APIs enable blockchain developers to develop blockchain applications that can communicate with blockchain networks, nodes, and clients via an API. Blockchain APIs facilitate all aspects of blockchain data transfer and node communication for decentralized applications and blockchain systems. Compare and read user reviews of the best Blockchain APIs for Harmony currently available using the table below. This list is updated regularly.

  • 1
    Blockdaemon

    Blockdaemon

    Blockdaemon

    Blockdaemon is the institutional gateway to Web3, securing over $110B in digital assets for 400+ institutions, including exchanges, custodians, crypto platforms, and financial enterprises. We offer institutional-grade blockchain infrastructure spanning nodes, APIs, DeFi, staking, MPC wallets and vaults. Since 2017, our globally distributed infrastructure ensures unrivaled security, compliance, and scalability.
    2 Ratings
    Starting Price: $0/month
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  • 2
    InfStones

    InfStones

    InfStones

    InfStones, a Softbank portfolio company, is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider trusted by the top blockchain companies in the world. InStones’ AI-based infrastructure provides developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. With over 15,000 nodes supported on over 60 blockchains, InfStones gives developers all the control they need - reliability, speed, efficiency, security, and scalability - for cross-chain DeFi, NFT, GameFi, and decentralized application development. InfStones is trusted by the biggest blockchain companies in the world including Binance, Coinlist, BitGo, OKX, Chainlink, Polygon, Harmony, and Kucoin, among a hundred other customers. InfStones is dedicated to developing the next evolution of a better world through limitless Web3 innovation.
    Starting Price: Free
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