Leading Blockchain API Providers

Coinpaprika is a cryptocurrency market research platform operated by Coinpaprika sp. z o.o., a private company founded in Poland in 2014. The platform aggregates data from over 500 sources and covers more than 71,000 digital assets across 330+ active exchanges, tracking real-time prices, market capitalizations, trading volumes, and historical OHLC data. Its broad market coverage and long data history make it a reference point for traders, researchers, and developers working with crypto market data.

Beyond price tracking, Coinpaprika provides detailed coin profiles that include team information, whitepapers, ICO data, event calendars, social statistics, and a database of over 11,000 key people linked to cryptocurrency projects. A news aggregator surfaces industry updates alongside market data, and a portfolio tracker is available on both web and mobile platforms. The platform also operates DexPaprika, a sister project dedicated to decentralized exchange data including liquidity pools, swaps, and on-chain analytics.

The Coinpaprika API delivers REST and WebSocket access to 25+ endpoints covering coins, exchanges, people, tags, and global market statistics, with 13 years of historical data and a stated 99.9% uptime. SDKs are available in Python, JavaScript, PHP, Go, Kotlin, Swift, and Rust. Plans range from a free tier requiring no credit card, through Pro and Business tiers, to enterprise solutions with dedicated support and custom rate limits. The API is used by major Web3 organizations including Dune, Chainlink, and Ramp.

OnFinality is a blockchain infrastructure platform that saves web3 builders time and makes their lives easier. OnFinality delivers scalable API endpoints for the biggest blockchain networks and empowers developers to automatically test, deploy, scale and monitor their own blockchain nodes in minutes.

To date, OnFinality has served over hundreds of billions of RPC requests across 80 networks including Avalanche, BNB Chain, Cosmos, Polkadot and Ethereum, and is continuously expanding these mission-critical services so developers can build the decentralised future, faster!

Infura is a blockchain node infrastructure and API provider that gives developers remote access to the Ethereum network and other decentralized protocols without requiring them to run their own nodes. Founded in 2016 and acquired by Consensys in 2019, Infura is headquartered in the United States and operates as part of the Consensys group, which also develops MetaMask.

The platform offers high-availability JSON-RPC endpoints, an IPFS API and gateway, and a suite of developer tools aimed at teams building decentralized applications. Supported networks include Ethereum, Polygon, Arbitrum, Optimism, Avalanche, Linea, StarkNet, ZKsync, and several other Layer 1 and Layer 2 chains. A free tier is available alongside paid plans for higher request volumes.

Infura is used by developers across decentralized finance, NFTs, and Web3 infrastructure. The company is also developing a Decentralized Infrastructure Network (DIN) intended to reduce single points of failure in the RPC layer by distributing node access across multiple providers.

Grindery was selected from over 500 projects globally to join a class of 14 next generation web3 project to be incubated by Binance.

"I found my People!"

2021 was the year that allowed me finally transition into #blockchain #dao #web3 ! How? Thanks to Peter Abilla of Harmony proclaiming "I found my people!".After Medium, LinkedIn and teemit I now had to try Mirror :)

Grindery.io Takes Second Place at DAO Hackathon

On December 17, 2021, the DAO Global Hackathon chose Grindery as the 2nd place finalist in the Finance & Operations track. The award recognizes Grindery’s novel solution for helping a DAO’s to “get things done”. "

BlockCypher is a blockchain infrastructure company that provides REST APIs enabling developers to build and deploy applications on multiple blockchain networks without managing their own nodes or backend infrastructure. Founded in 2014 in Redwood City, California, by Catheryne Nicholson and Matthieu Riou, the company operates as a cloud-optimised Platform-as-a-Service (PaaS) targeting businesses of all sizes, from individual developers to large enterprises.

The platform supports Bitcoin, Ethereum, Litecoin, Dash, Dogecoin, and a proprietary test chain. Core features include a RESTful JSON API with WebHook and WebSocket event notifications, HD wallet support, a Multisig API, address forwarding, a Confidence Factor for estimating double-spend risk on unconfirmed transactions, and a Payment API for monitoring and forwarding cryptocurrency payments. Official SDKs are available for Ruby, Python, and Go. Paid plans start at $119 per month, with a free tier available for lower-volume usage.

BlockCypher also offers a public block explorer at live.blockcypher.com covering the supported chains. The company has received backing from investors including Boost VC, Granite Ventures, Foundation Capital, and NEA, among others.

Chainstack is a managed blockchain infrastructure provider that offers RPC node services for developers and teams building on multiple blockchain networks. Its platform delivers reliable API access to over 70 protocols, including Ethereum, Solana, Bitcoin, Base, Arbitrum, Polygon, BNB Smart Chain, Optimism, and Avalanche, with features such as global node routing, archive data access, and real-time Solana streaming.

Founded in 2018 by Laurent Dedenis and Eugene Aseev, Chainstack is headquartered in Singapore with additional offices in Burlington, Massachusetts. The company holds SOC 2 Type II certification and offers a 99.99% uptime SLA. Its services are aimed at application developers, trading bot operators, analytics platforms, and AI agents that require low-latency, production-grade access to on-chain data.

Chainstack provides tiered pricing plans ranging from a free prototyping tier to dedicated node deployments, with flat request-unit billing that applies one unit per API call regardless of method. Self-hosted deployment options are also available for teams with specific compliance or infrastructure requirements.

QuickNode is a blockchain infrastructure platform that provides developers, fintech companies, and enterprises with managed access to blockchain nodes and related services. Rather than requiring teams to operate their own nodes, QuickNode delivers globally distributed RPC endpoints, real-time data streams, webhooks, and a marketplace of one-click integrations covering trading, data, and infrastructure tooling.

The company was founded in 2017 and is based in the United States. It supports more than 80 blockchain networks, including Ethereum, Solana, and Bitcoin, and processes over 500 billion requests per month across its infrastructure. QuickNode holds SOC 1, SOC 2, and ISO 27001 certifications. Its platform is used by DeFi projects, gaming studios, trading firms, wallet providers, and Fortune 100 enterprises.

QuickNode participated in Y Combinator's W21 cohort and has raised funding from investors including Tiger Global and SoftBank. The platform offers dedicated clusters and advanced monitoring for enterprise-grade deployments alongside self-service plans for individual developers.

idexo is a web3 infrastructure company that provides a low-code JavaScript SDK and a no-code SaaS platform for integrating blockchain features into software applications. The SDK enables developers to add NFT minting, token staking, token vesting, soulbound tokens, and Web3 marketing tools with minimal code, abstracting the complexity of interacting directly with blockchain protocols.

The company was founded in early 2021 and is incorporated in the United Kingdom under the legal name ZIP WEB 3 LIMITED. It raised a seed round of $2.5 million in September 2021, with backing from investors including Outlier Ventures, Floem Capital, BlackDragon, and several others. idexo targets enterprise developers and businesses in sectors such as supply chain, financial services, real estate, gaming, and retail.

The platform supports multiple blockchain networks including Ethereum, Polygon, BNB Chain, Avalanche, Fantom, Arweave, and Dogechain. It also offers a no-code dashboard for managing NFT collections, Web3 player management for games, and integrations enabling NFT minting via social platforms such as Telegram and Twitter through API calls.