Top Blockchain API Developers
List of the Best Blockchain API Developers & Companies
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SHAMLA TECH Pvt Ltd specializes in blockchain development services, offering Web3, Metaverse, blockchain solutions, RWA, crypto development, and exchange platforms. With 8 years of experience, the company has successfully completed over 1,100 projects. Its team of the best blockchain developers continuously innovates products and services, delivering secure, scalable, and cutting-edge blockchain technology solutions.
< $25/hr10 - 492006Hamden, ConnecticutBlockchain solutions from Shamla Tech made our work easier.
- Jonathan Roth, Vice President at Portage Point Partners -
Ultrashield Technology – Your Trusted Partner for Mobile App, AI & Blockchain Solutions Ultrashield Technology is a leading Mobile app development company in India with expertise in building high-performance iOS and Android applications using Flutter, React Native, Kotlin, Swift, and MERN Stack. We deliver end-to-end digital solutions that empower businesses to scale with innovation, security, ... read Ultrashield Technology (AI Development) reviews & insights
$25 - $49/hr50 - 2492018NYC, New YorkOur experience was lovely, and It's amazing working with Ultrashield
- Chris Craven, Managing Director at Forrest Fresh Foods LtdWhy Ultrashield Technology (AI Development)?
- AI-Powered Mobile & Web App Development
- Experts in AI, LLMs & Intelligent Apps
- AI Agents & LLM Product Development
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Bitquery is an API-first product company dedicated to power and solve blockchain data problems using the ground truth, on-chain data. Bitquery extracts and presents valuable data via APIs. These APIs are delivering solutions to multiple verticals like Decentralize Finance (DeFi), DEX Arbitrage Analytics, Crypto Surveillance & Forensics across all major blockchains like Bitcoin, Ethereum, EOS, ... read Bitquery reviews & insights
$50 - $99/hr10 - 492019Dover, DelawareWhy Bitquery?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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Covalent is a technology company that is solving the huge infrastructure problems inhibiting blockchain adoption. Our solution bridges the entrenched world of centralized databases with the new world of distributed blockchain technologies. Blockchains provide a new frontier of development for enterprises, consumers and software developers. Due to its decentralized architecture, immutable ledger and highly secure ... read Covalent reviews & insights
$50 - $99/hr10 - 492018Vancouver, CanadaWhy Covalent?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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The Graph is the source of data and information for the decentralized internet. As the original decentralized data marketplace that introduced and standardized subgraphs, The Graph has become web3’s method of indexing and accessing blockchain data. Since its launch in 2018, tens of thousands of developers have built subgraphs for dapps across 90+ blockchains - ... read The Graph reviews & insights
$50 - $99/hr50 - 2492018George Town, Cayman IslandsWhy The Graph?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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CoinMarketCap is the most trusted source for real-time crypto market data. We offer transparent pricing, on-chain analytics, DeFi and NFT insights, and powerful APIs used by traders, builders, and institutions worldwide. We focus on delivering reliable, accessible tools — from portfolio tracking and educational content to AI chatbots and market indicators — all designed to ... read CoinMarketCap API reviews & insights
$50 - $99/hr50 - 2492013Dover, DelawareWhy CoinMarketCap API?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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Amberdata is the leading provider of digital asset data. We deliver comprehensive data and insights into blockchain networks, crypto markets, and decentralized finance, empowering financial institutions with data for research, trading, risk, analytics, reporting, and compliance. Amberdata serves as a critical piece of infrastructure for financial institutions entering the asset class and participating in digital ... read Amberdata reviews & insights
$25 - $49/hr10 - 492017Miami, FloridaWhy Amberdata?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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NOWNodes is a blockchain-as-a-service solution that lets users get access to full Nodes and blockbook Explorers via API. The service provides a high-quality infrastructure that is quick, cost-effective, and reliable. We have Service Quality Standards available for all partners. Your nodes are under 24/7 surveillance - their availability and relevance are constantly being monitored. That’s way, our ... read NowNodes reviews & insights
$50 - $99/hr50 - 2492019Tallinn, EstoniaWhy NowNodes?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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Blockdaemon began with a firsthand problem: running Ethereum nodes in 2017 was frustratingly complex. Our CEO and Founder, Konstantin Richter, realized the infrastructure and tooling needed to support blockchain just didn’t exist. That gap led to a bigger idea—one that evolved into the robust, global platform that powers Blockdaemon today. What started as a solution ... read Blockdaemon reviews & insights
$100 - $149/hr250 - 9992017Los Angeles, CaliforniaWhy Blockdaemon?
- Transparent communication and reporting
- Experienced and dedicated team
- Proven results and data-driven strategies
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Ankr is an all-in-one Web3 development hub that provides a full suite of tools for any organization to build new decentralized apps and power them with high-performance connections to 45+ blockchains. Top clients like Microsoft, Tencent Cloud, Optimism, Polygon, Binance, and Messari trust Ankr’s global node infrastructure to supply the fastest and most reliable connection ... read Ankr reviews & insights
$50 - $99/hr50 - 2492007San Francisco, CaliforniaWhy Ankr?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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Tenderly is a full-stack infrastructure for the entire dapp lifecycle, providing support for 100+ EVM networks, L2s, and rollups. Offering the only Node RPC with built-in development environments and essential tools, Tenderly allows Web3 teams to consolidate their infrastructure under one roof, accelerate development cycles, and manage production-grade dapps at scale. Web3 teams such as ... read Tenderly reviews & insights
$50 - $99/hr50 - 2492018San Francisco, CaliforniaWhy Tenderly?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
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Using AI Tools
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Lovable
7BlockLabs is a premier blockchain product studio dedicated to building production-grade Web3 infrastructure for enterprises, brands, and protocols that cannot afford security failures or launch-day chaos. Unlike typical development shops that rely on freelancers, we operate as a dedicated, audit-ready engineering pod, delivering battle-tested smart contracts and scalable backend systems. Our mission is to professionalize ... read 7Block Labs reviews & insights
$25 - $49/hr10 - 492025London, United KingdomWhy 7Block Labs?
- Security first blockchain engineering
- Production grade Web3, zero launch chaos
- Enterprise grade infra for Web3 products
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GetBlock.io is a service that provides an API connection to a continuously growing list of over 40 blockchain nodes, including Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), among others. The product was launched at the end of 2019 and since then has been actively growing and adding support to various cryptocurrencies.
NA2 - 92019Taunusstein, Germany -
Using AI Tools
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Custom or Self Built
Cumberland is a digital asset trading company that helps people and institutions buy, sell, and trade cryptocurrencies efficiently. Founded in 2014 as part of DRW, it focuses on providing liquidity, meaning it makes it easier for large trades to happen smoothly without big price swings. Cumberland works mostly with professional clients and uses advanced technology ... read Cumberland reviews & insights
$50 - $99/hr250 - 9992014Chicago, IllinoisWhy Cumberland?
- Deep Liquidity & Reliable Execution
- Institutional-Grade Trust & Backing
- 24x7 Crypto Market Expertise
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