List of Pricing Data API companies in Web3 (2026)

DataLink is an institutional data publishing service enabling data providers to commercialize specialized market data onchain through Chainlink infrastructure. The system connects REST or WebSocket APIs to blockchain applications without custom development, supports pull-based delivery through Data Streams architecture and push-based delivery through aggregator contracts for specialized datasets.

Witnet Data Feeds provides pre-built price feed contracts deployed across multiple blockchain networks, offering smart contracts access to aggregated cryptocurrency and asset price data without requiring custom data request implementation. The feeds are maintained by the Witnet Foundation and updated at regular intervals through the Witnet oracle network, with each feed exposing standardized interfaces following ERC-2362 specifications for price pair queries. Developers integrate feeds by calling on-chain smart contracts that return latest price values with decimal precision, update timestamps, and query status codes while the underlying data aggregation and validation occurs on the Witnet blockchain.

Token API provides instant access to standardized token data including balances, transaction histories, and pricing information across multiple blockchains. The service requires zero setup and delivers real-time token data for wallets and applications.

Clear-Calculus is a pricing engine that derives fair market prices from multiple sources and streams real-time pricing to support institutional pricing models and transparency.

Codex API provides GraphQL access to blockchain data across multiple networks, indexing transactions, token metadata, and exchange activity for millions of tokens. The system offers real-time and historical data through free and paid tiers for integration into applications.

A suite of REST APIs and WebSocket connections providing real-time and historical blockchain data, including token prices, OHLCV data, wallet analytics, and market metrics for integration into third-party applications and trading platforms.

Biscoint is a cryptocurrency price comparison service displaying real-time crypto and stablecoin prices across multiple Brazilian and international exchanges. The platform includes Biscoint Monitor for real-time crypto data tracking and Biscoint News for Latin American cryptocurrency news coverage.

Markets & Positions provides real-time lending rates, position tracking, and market data from Solana's top DeFi protocols through a unified API. The platform delivers lending market information including APYs, TVL, and position data with ready-to-use Blinks for deposits and withdrawals across protocols like Kamino, MarginFi, and Lulo.

Real-time and historical cryptocurrency market data API providing live prices, market cap, trading volume and exchange rates for over 9,000 cryptocurrencies and 90+ fiat assets, aggregated from top exchanges including Binance, KuCoin and Huobi.

FM Pulse is a real-time market data analytics tool that reveals trading costs, compares spreads, and provides market-wide insights for decision making.

DropsTab Commercial API is a REST API that serves live and historical crypto prices, investor and funding data, token unlock schedules, activities, and exchange datasets in JSON for application and analytics use.

0x Trade Analytics API indexes on-chain trading data from protocol transactions, providing query access to pricing, volume, and market metrics across supported networks.

CoinGecko API delivers cryptocurrency price and market data through RESTful JSON endpoints, providing real-time and historical data from exchanges and DEXs. The system offers comprehensive coverage across blockchain networks with rate-limited access tiers for developers and institutions.

A RESTful API service providing developers access to real-time price data, OHLC charts, trading volumes, and liquidity metrics for tokens across decentralized exchanges and blockchain networks through standardized JSON endpoints.

Pricing API provides on-chain price data for tokens across multiple blockchains using various pricing strategies suitable for financial reporting, oracles, and application interfaces.

Messari API delivers comprehensive crypto data including market information, events tracking, governance metrics, and research for 13,000+ assets across 150+ exchanges.

Market Data API delivers real-time and historical pricing data for stocks, options, and crypto assets through HTTP and WebSocket protocols. The system provides trade data, quote data, bar data, and options chains with market coverage from CTA, UTP, and OPRA feeds. Market Data API offers subscription tiers from free IEX data to premium SIP data with historical coverage extending beyond six years.

CoinCodex API provides programmatic access to cryptocurrency market data including real-time prices, historical price data, trading volumes, market capitalizations, and exchange information. The API operates in beta version 0.2 and offers endpoints for retrieving coin histories, market data, and exchange markets. Available under Attribution-NonCommercial 3.0 Unported license, requiring CoinCodex attribution for usage.

A public API providing programmatic access to Ethereum Layer 2 metrics, chain metadata, and labeled contract data for external analytics applications.

Kaiko Data Feeds provide real-time and historical cryptocurrency market data from 100+ exchanges through REST API, WebSocket streaming, and cloud delivery channels.

Spindl implements Web3 marketing attribution through cross-platform tracking that connects Web2 touchpoints to onchain conversions. The system provides attribution analytics, audience segmentation based on onchain behavior, and advertising capabilities via the integrated Flywheel protocol. Developer integration occurs through JavaScript SDKs with privacy-focused options.

LSEG Data & Analytics delivers real-time and historical financial market data through APIs and platforms, supporting trading and investment decisions. The system processes billions of data updates daily while maintaining data quality standards.

Ionic Trade API is a Solana trading data API that lets users retrieve market information for integration into applications.

Data Products delivers institutional-grade crypto asset data feeds through AICPA SOC-compliant APIs, enabling pricing, reference data, risk analytics, and marketplace intelligence. The service provides standardized asset classification, GAAP-compliant valuations, ESG scoring, and venue due diligence data across blockchain networks.