List of Off-Chain Data APIs and Services companies in Web3 (2026)

ARC is an open-source digital asset reference data and security master database providing standardized asset identification and non-hierarchical classification for institutional operations. The system maintains point-in-time asset metadata covering a broad range of digital assets and instruments, supporting settlement workflows, execution management, risk assessment, and accounting reconciliation across front, middle, and back office functions.

DataKit provides Web3 yield data API with metadata, risk assessments, reward tracking, position management, and analytics across blockchain networks, enabling real-time monitoring of yields, validators, and protocol performance.

Steer's Data Marketplace aggregates data sources enabling developers to integrate multiple on-chain and off-chain feeds into strategies through a unified interface.

Membit provides real-time data services for large language models and AI applications through a network of Data Hunters. The platform bridges decentralized data sources with AI systems enabling LLMs to access current information beyond their training data cutoffs.

xInsight is an AI-driven analytics tool that provides real-time social sentiment from tweets and surfaces indicators such as SSI and MPR to identify market pulse.

Parfin Data Reporting Center is a solution for generating and unifying data across digital assets operations, reducing manual work and improving operational efficiency through automated data standardization and export capabilities.

Token Terminal Studio allows analysts to create custom charts and dashboards by leveraging Token Terminal's onchain data, enabling advanced data visualization and comparative analysis.

A data analytics platform focused on stablecoin market trends and predictions. Users can analyze stablecoin movement patterns, market dynamics, and stability metrics to inform investment and compliance decisions.

Crypto Map displays over 30,000 physical locations worldwide accepting cryptocurrency payments including NIM and Bitcoin. The system provides merchant discovery, filtering capabilities, and Google Maps integration for navigation.

The Grid Data API provides standardized metadata for Web3 projects, products, and assets through a GraphQL interface, enabling developers to integrate accurate ecosystem data into their applications.

Term Finance Wallet Analyzer evaluates DeFi wallet activity and assigns scores while distributing Term Points. The system analyzes transaction history and protocol engagement to calculate DeFi participation metrics.

XSwap Analytics provides on-chain data tracking and visualization for XRC-20 tokens trading on XSwap DEX. Users can monitor liquidity metrics, trading volumes, token pair performance, transaction history, and wallet activity through dashboard interfaces and API access.

SwiftRef is a global financial reference data platform providing standardized identifiers for payment routing, counterparty identification, and regulatory reporting. The platform delivers BIC data for financial institution identification, IBAN validation, LEI data, SEPA directory content, standing settlement instructions, and participant registries. Data is distributed through file-based delivery, an online portal, and real-time API endpoints.

A platform offering access to environmental data collected from the Ambios sensor network, making datasets available to enterprises, AI applications, and research institutions.

OrbitFlare Solana gRPC delivers advanced Solana data streaming capabilities through gRPC protocol, enabling real-time blockchain data access for applications requiring continuous transaction monitoring, account updates, and high-throughput data streaming.

A DEX for trading tokenized data assets across multiple blockchain networks.

B2P Central API is a REST interface providing programmatic access to aggregated P2P Bitcoin offers, BTC fiat rates, and crypto swap rates from multiple privacy-focused providers. The system exposes endpoints for offer querying with provider metadata, BTC rate retrieval, and swap lifecycle management including creation and status tracking. API access requires a key obtained via Bitcoin payment.

CCRI MiCA API that provides sustainability indicators required under MiCA, including electricity consumption and carbon emissions with endpoints for networks, activities, and tokens, documented via OpenAPI.

Glint Analytics Platform processes blockchain data into interactive visualizations for analysis and sharing. The system integrates natural language processing for simplified query creation while maintaining an accessible user interface. The platform tracks content engagement for reward allocation and enables community interaction with analytical content. Users can create dashboards through low-code interfaces that reduce technical barriers to on-chain data analysis.

Decentralized network leveraging idle bandwidth/storage for AI data validation, rewarding with GRASS points.

Web3 platform where users earn rewards by completing AI training tasks and contributing to language datasets.

DataHive is a data contribution platform accessed via browser extensions, mobile apps, and a dashboard. Users share anonymized web, image, and video data and earn rewards tracked by a points system.

Kinexys Liink is a bank-led peer-to-peer permissioned network enabling secure payment data sharing between financial institutions and fintechs. The platform offers Confirm for account validation and Route Logic for cross-currency payment intelligence with near real-time convertibility validation.

A REST API that provides programmatic access to the DTI Registry database, enabling developers to query and retrieve Digital Token Identifier information for integration into applications and services.

Databases delivers high-performance PostgreSQL database instances tailored for demanding workloads with optimized configurations for enterprise applications.

BitMind delivers AI-generated content detection via a multi-channel platform covering REST API, web interface, mobile apps, and browser extension. The system processes image and video detection requests through an ML inference layer backed by ensemble models continuously refreshed through Bittensor Subnet 34 competition. Standard and enterprise API tiers include C2PA content credential extraction and similarity matching against known synthetic media, with zero-data-retention processing available for compliance workloads.

Unified data infrastructure platform combining managed databases, workflow automation, and custom APIs for Web3 applications.

Genesis Knowledge Ingestion implements community-driven data validation through AI-powered nodes, enabling contributors to submit knowledge pieces for protocol rewards. The system processes submissions with AI filtering and human validation to build verified datasets.

The first open-source, Web3-native Large Language Model, trained on millions of transactions.

Bitcoin Treasury Portal is a public website that publishes El Salvador’s state Bitcoin addresses, daily BTC purchases and aggregate holdings for on-chain audit.

Neynar Data Analytics provides indexed databases, data pipelines, and analytics tools for processing Farcaster network data, including user scores and network insights.

Crypto analysis platform combining country rankings, exchange reviews, and regulatory insights.

Funding Dashboard is a data platform for crypto venture funding tracking with market analysis and deal flow monitoring, providing investors and founders with funding trends. The system aggregates venture data while offering industry-specific insights.

A data platform that tracks Electronic Money Token issuers and Crypto-Asset Service Providers under MiCA, showing regulatory status, geography, and issuer details across Europe.

Repository & Derivatives Services is a Global regulatory reporting and OTC derivatives lifecycle services covering derivatives trade repositories and reporting across multiple jurisdictions. The Global Trade Repository (GTR) operates as a registered trade repository under EMIR, CFTC, SEC, SFTR, MAS, JFSA, ASIC, HKMA, and other regulatory frameworks across North America, Europe/UK, and Asia-Pacific. The Trade Information Warehouse (TIW) is a global central record-keeping and lifecycle management service for OTC credit derivatives, handling credit event processing and payment settlement for the CDS market. DTCC Report Hub provides consolidated regulatory reporting tools including the Trade Reporting Analytics service for data quality and performance insights, and the UTI Exchange service for generating and sharing unique transaction identifiers.

A REST API that provides programmatic access to historical social data, including mentions with smart engagement, trending tokens, account statistics, and narrative analysis.

MeshMap Open 3D Map is a crowdsourced spatial dataset that collects and serves 3D scans for XR apps. It invites users to upload scans from phones, drones, or scanners to build a global map for placing and discovering location-based content.

MILO is a Telegram-native personal assistant bot accessible through @milopabot that provides CRM functionality, contact organization, data import and export capabilities, and workflow automation features. The system operates entirely within Telegram, offering stealth CRM operations, intelligent coordination, and automated follow-ups for professional users managing contacts and operations through messaging platforms.

A platform for users to contribute and map real-world places with token incentives.

Genesis I is a synthetic dataset containing 41 billion text tokens designed for training STEM-focused language models in mathematics, physics, biology, and medicine. The dataset was generated through synthetic data production methods and validated across scientific benchmarks to support the development of reasoning and problem-solving capabilities in open-source AI models.

The ANNA Service Bureau is a central data hub collecting and distributing standardized global financial instrument identifier data. The system provides comprehensive ISIN, FISN, and CFI code information through various access methods including API connectivity, daily feeds, and portfolio services.

Tx FUSION ODDS is a real-time sports betting data feed that aggregates live odds from multiple sources. The service delivers odds updates with latency as low as 8-10 milliseconds, enabling sportsbook operators to maintain competitive pricing and manage trading risk across various sports markets.