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    List of OnChain Data API companies in Web3 (2026)

    A service offering developers direct access to information stored on a blockchain, usually for the purpose of building applications on it.

    106 projects found · Last updated Sep 4, 2026

    Projects

    Showing 101106 of 106 results

    Supports:

    Neynar

    #101in OnChain Data API

    The easiest way to build on Farcaster

    Neynar API
    OnChain Data API

    Neynar API provides REST endpoints for accessing Farcaster protocol data, enabling developers to read user profiles, casts, feeds, and social graph information through standardized interfaces.

    Supports:
    (1)
    Developer Tooling
    Vertex logo

    Vertex

    #102in OnChain Data API

    Modular indexing & query layer for Solana

    Vertex Indexing Platform
    OnChain Data API

    Developer platform to build, run and query custom Solana indexers with real-time data streaming and instant APIs.

    Supports:
    (1)
    Data & Analytics
    Wind Network logo

    Wind Network

    #103in OnChain Data API

    A decentralized autonomous incentivized indexing layer for Solana

    Wind Network
    OnChain Data API

    Peer-to-peer indexing layer and API that lets developers query Solana data in real time.

    Supports:
    (1)
    Infrastructure
    Safary logo

    Safary

    #104in OnChain Data API

    The web3 alternative to Google Analytics

    Safary Analytics Platform
    OnChain Data API

    Safari Web3 Analytic Platform provides marketing attribution tools, enabling projects to track key metrics like customer acquisition cost (CAC), ROI, and customer lifetime value (LTV) using both on-chain and off-chain data.

    Data & Analytics
    DigNow logo

    DigNow

    #105in OnChain Data API

    The Data Infrastructure Behind Tomorrow's Crypto AI Agents

    DigNow Data Platform
    OnChain Data API

    DigNow Data Platform provides unified API access to verified crypto data through AI-powered aggregation and multi-source integration. The system includes specialized AI agents for market intelligence, project health monitoring, and regulatory compliance analysis, processing data from multiple sources with standardized formatting.

    Data & Analytics
    Vaults.fyi logo

    Vaults.fyi

    #106in OnChain Data API

    Your Gateway to DeFi Yields

    Vaults.fyi API
    OnChain Data API

    Vaults.fyi API delivers standardized market data and transaction support for DeFi protocols, providing access to yield analytics across multiple networks. The system enables portfolio tracking and generates non-custodial transaction payloads for integration into third-party applications.

    Finance

    Explore 106 Curated OnChain Data API Projects

    Welcome to The Grid's comprehensive directory of onchain data api projects in the Web3 ecosystem. Our team has hand-reviewed and verified each of these 106 companies to ensure you're discovering legitimate, active projects — not abandoned ventures or AI-generated listings.

    What Makes Our OnChain Data API Directory Different

    Unlike automated aggregators, every project in our onchain data api category undergoes manual verification. We check for active development, real teams, and genuine utility. This human-first approach means you spend less time filtering through noise and more time finding the onchain data apisolutions that matter for your needs.

    Start Exploring OnChain Data API Projects

    Each project listing includes key information to help you evaluate and connect with these companies. Whether you're researching for investment, seeking partnerships, or looking for onchain data apisolutions to use, our directory provides the verified data you need to make informed decisions in the Web3 space.