We manually looked through thousands of Cryptocurrency apis to find the best. Here is a list of the most popular and cheapest Cryptocurrency APIs.

CoinAPI is a platform which provides fast, reliable and unified data APIs to cryptocurrency markets.

Here are some of the key features of CoinAPI:

- **Integration provider**
We are a high-quality, one-stop-solution market data provider for cryptocurrency markets.
All CoinAPI data is standardized. Market symbol details and asset codes are double-checked by real humans to ensure maximum quality

- **Data delivery**
Our data is delivered to you on-demand using well-documented and simple HTTP RESTful API in JSON, XML or CSV formats.
For more demanding integrations requiring real-time market data streaming, we have access through WebSocket and FIX protocols.

CoinAPI

CoinMarketCap is a free crypto API to get the most accurate real-time, historical cryptocurrency and exchange trade data for Bitcoin, Ethereum and others.


The CoinMarketCap API is a suite of high-performance RESTful JSON endpoints that are specifically designed to meet the mission-critical demands of application developers, data scientists, and enterprise business platforms.

Here are some of the key features:

- A new suite of powerful, flexible, and accurate cryptocurrency market data endpoints.

- From demanding enterprise use cases to economical pricing plans for startups, there is a plan for you.

- Created by the most trusted cryptocurrency market data provider in the industry.

CoinMarketCap API

Get crypto market data API such as real-time prices, historical trades, tickers, and exchange data.

Here are some of the key specifications of CoinGecko API: 

- **Free**
Because we believe data should be democratized

- 100% Free crypto API
- No keys required
- Publicly available

- **Reliable**
Solid team of cryptocurrency specialists working hard to bring top notch cryptocurrency data

- In operation since early 2014
- Generous rate limits with up to 50 requests/minute
- Extensive market data

 - **Comprehensive**
All the info you'll ever need at your fingertips

- Data for over 13,000+ coins such as Bitcoin, Ethereum, XRP tracked across over 500+ exchanges and growing.
- Comprehensive historical data
- Over 30+ endpoints with more coming soon

CoinGecko API

Coinpaprika API delivers free & frequently updated market data from the world of crypto: coin prices, volumes, market caps, ATHs, return rates and more.


Here are some of the key features of Coinpaprika API:

- More than 25M calls/mo - we give you up to 10 requests per second
 
- From over 17 Endpoints - because cryptocurrency is not only the present price

- Delivered at No Cost - because “Information wants to be free”

- **What makes our API so special?**

At coinpaprika we are obsessively focused - focused on bringing value to crypto users around the world. As a team full of specialists, who are passionate about everything they do, we are looking for improvements. Developing high-quality products is our ultimate goal - that’s why we created coinpaprika.com. To bring valuable data for every crypto user, with no exceptions. We track the whole cryptocurrency world and present data in the most simplistic way through our web platform. Now, you can have the same quality on your platform - by using our API. Don’t spend money on something that should be free, and time on something that doesn’t work.

Coinpaprika API

CryptoCompare is a leading digital asset data company, providing services that cater to corporate, government and retail clients.

CryptoCompare  API gives acess to:

- **Price**
Our API returns the current price of any cryptocurrency and all the trading info (price, vol, open, high, low etc) for the requested pairs. We provide pricing data for 5,300+ coins and 240,000+ currency pairs.
- **Historical Data**
Get daily, hourly and minute historical data, daily data at any given timestamp, daily average price based on hourly vwap and total daily and hourly exchange volume.
- **Top Lists**
The top list endpoints retrieve volume data for top exchanges for a currency pair, the full CryptoCompare Index (CCCAGG) data, top list of coins, top list of trading pairs and top coins by total volume across all markets in the last 24 hours.
- **Streaming**
The streaming API returns all the combinations of subs and pricing info in order to know what needs to be streamed and how to connect to the streamers. You can also get all the available streamer subscription channels for the requested pairs.
- **News**
Get news feeds and articles from all major crypto news providers that CryptoCompare has integrated with. You can also retrieve a full list of categories, a great way to filter through the news articles.
- **More Information**
There’s a lot more you can do with our API, and we’re continuously adding valuable endpoints. Honorable mentions: list of all the exchanges and trading pairs, constituent exchanges for CryptoCompare Index (CCCAGG) and all coins on CryptoCompare website.

- **Why choose CryptoCompare?**
-- **Extensive data you can rely on**
Our wide range of market data includes cryptocurrency trade data, order book data, blockchain data, social data and historical data. We ensure the integrity and accuracy of our data through rigorous processes such as frequent API testing, monthly exchange reviews and anomaly reporting.
-- **Powerful and robust endpoints**
CryptoCompare’s APIs provide highly reliable and scalable endpoints, reaching 180 million requests per hour at peak times (25 billion per month). Our infrastructure is running on multiple servers across several data centres to ensure the fastest data delivery and the lowest latency possible. We have redundant hosting and load-balanced environments for maximum reliability.
-- **High-performance infrastructure**
On a montly basis over 30 million people get their crypto pricing information from us! We have, on average, 30,000 clients connected to our live streaming data and over 100 WebSocket and API servers to support the load. Our backend integration microservices collect and process over 8,000 trade and 300,000 order book updates per second.
-- **Secure access**
Our API endpoints use HTTPS (TLS encryption) so user traffic is secured when requesting and receiving data. To ensure maximum security, you can also request that we sign our API responses. Some endpoints require registration and the generation of an API Key.



CryptoCompare API

NOWNodes is a Blockchain-as-a-Service that provides access to Full Nodes and Explorers and 50+ blockchain networks  

**Full Nodes and Block Explorers**
_Get your crypto API for instant access to 40+ blockchain networks including BTC, ETH, and BSC which is over 1000 coins and tokens_

NOWNodes is a Blockchain-as-a-Service that provides access to Full Nodes and Explorers via API. 50+ blockchain networks supported. Choose a node that you need, use available methods and connect. Focus on building wallets, exchanges, dApss and everything else — we will do the rest.

The full list of Block Explorers and Full Nodes available on NOWNodes is presented here. NOWNodes provides access to over 40 most popular blockchain networks including BTC, ETH, DOGE, and BSC, which is almost every single coin and token from TOP100 CoinMarketCap.

**ONE API — LOTS OF SOLUTIONS**

- **Shared nodes**
The most affordable way to start and scale up your crypto ecosystem.
- **Dedicated node**
Your fully managed private nodes for the best crypto experience.
- **Block Explorers**
Always stay updated of your transactions.
- **Testnets**
For starting developing crypto system free and smoothly.
- **Websocket Connections**
The most advanced and safest technologies are here for your crypto business.

The full list of cryptocurrencies supported by NOWNodes includes Bitcoin (BTC), Ethereum (ETH), DigiByte (DGB), Dogecoin (DOGE), Verge (XVG), Groestlcoin (GRS), ZCoin (ZXC), Bitcoin SV (BSV), and Dash (DASH). The service’s accounts can be found on most popular social media and blogging platforms (Facebook, Twitter, Reddit, Discord, Medium), the SMM management being active and helpful, always ready for feedback. While the platform hasn’t gotten much development yet, it is important to remember it is relatively new — moreover, it has already gained a few positive reviews in the blockchain enthusiast community.

NOWNodes 

Bitcoin and Cryptocurrency Price API that powers your Crypto and Blockchain apps

Bitcoin and Cryptocurrency Price API that powers your Crypto and Blockchain apps

 **What you can build**
_4 successful projects you can build using our Bitcoin price API_

- Crypto mobile apps
Get reliable and up-to-date price feed for 1000+ cryptocurrency markets for your wallet, portfolio or notifier iOS and Android apps.

- Realtime analysis via Websockets
Analyse the price movement in real time and notice trends before everyone else.

- History analysis
Use our history data to analyse the price movements in the past and derive insights.

- Custom endpoints
Looking to expand your existing product in the crypto space? Get custom endpoint built that fits right into your existing products. 

 **Key benefits and features**
_Reliability and ease of use are of upmost importance to our users._

- Trusted
The world's longest operating bitcoin price index, used by many of the industry's leading businesses.

- High Availability
Enterprise grade cloud infrastructure providing approximately 100% uptime.

- Exchange Independent
Remove reliance on a single exchange, our index averages over 50 and is not effected by their downtime.

- Simple Integration
Detailed documentation and code snippets provided in various languages and hosted on github.

 Bitcoin Price API

Etherscan is the leading blockchain explorer, search, API and analytics platform for Ethereum, a decentralized smart contracts platform.

**Etherscan  API**
_Build Precise & Reliable Apps with Etherscan APIs_

**Access Ethereum Data**
We understand the data needs of Ethereum applications. From hackathon entries to enterprise solutions, our APIs are made for you.

- Scalable
Scale your application with the API plan that's appropriate for it.

- Reliable
Etherscan's API infrastructure ensures reliable delivery of up-to-date data.

- Integration
Provide and display blockchain data within your applications easily.

Etherscan  is the leading blockchain explorer, search, API and analytics platform for Ethereum, a decentralized smart contracts platform.
As a means to provide equitable access to blockchain data, we've developed the Etherscan Ethereum Developer APIs to empower developers with direct access to Etherscan's block explorer data and services via GET/POST requests.


Etherscan API

Adding real-time crypto prices to your app is now surprisingly simple.

**The simplest API for crypto prices**
_Adding real-time crypto prices to your app is now surprisingly simple._

- **Real-time prices**
Add real-time prices of coins like BTC, DOGE and thousands more to your application or website through our websocket streaming service

- **Rich metadata**
For all coins listed you get circulating supplies, social links, logos, block explorers, sparklines, and more. We’ve got it all

- **High availability**
With high availability and redundancy, optimal operational performance is ensured, even when Bitcoin spikes and FOMO is at the highest.

- **Low latency**
Our network will automatically connect you to one of our 90+ global edge locations, to give you the fastest response times.

Add real-time prices of cryptocurrencies, like Bitcoin, Ethereum, and Dogecoin to your app or website. Get metadata on every coin we have listed, such as circulating supply, block explorers, trading pairs, logos, and much more.


Coinranking API

The coinlayer API is capable of delivering accurate exchange rate data for more than 385 cryptocurrencies in real-time.

**Real-time Crypto Currency Exchange Rates JSON Rest API**
_Your trusted resource for accurate crypto market data, covering 25 exchanges and more than 385 coins_

**Join the global standard in crypto data**
Using coinlayer you are building on top of a rock-solid crypto exchange rates source — unparalleled in accuracy and consistency.

- **385+ Cryptocurrencies**
Instantly retrieve up-to-date crypto exchange rate data for more than 385 cryptocurrencies, collected from 25+ exchanges.

- **Rock-Solid Sources**
Our crypto rates API is powered by a series of reliable crypto exchange providers, ensuring the highest level of accuracy.

 - **Historical Data**
See how cryptocurrencies have developed over time by querying the API for historical data all the way back to the year 2011.

- **Powerful JSON API**
The coinlayer API is backed by a solid and highly available cloud infrastructure, delivering your data in milliseconds.

- **Bank-Grade Security**
All request and response data sent from and to the coinlayer API is secured via industry-standard 256-bit HTTPS encryption.

 - **Dedicated Support**
We take customer satisfaction seriously, which is why our support team is will do anything to get you what you need, when you need it..

- **Developers First**
The coinlayer API was built with three things in mind: Performance, ease of use and consistency. Your use of coinlayer comes with a straightforward RESTful request and response structure, extensive and interactive API documentation, integration guides and response times as low as 20 milliseconds.

- **Easy On Your Budget**
Most crypto market data APIs come with high monthly fees, no customer support and low monthly quota. At coinlayer one of our pricinples is to support companies and teams of any size. Whether you are a freelancer, SMB or large corporation — our API service has got you covered.

Coinlayer API

Get live and historical data from 60+ fiat and crypto currencies via a modern REST API

**Currency Exchange Rates & Forex API**
_Get live and historical data from 60+ fiat and crypto currencies via a modern REST API_

**The Exchange Rate and Currency Conversion API makes it easy to get and manipulate the latest currency data**

- **Up-to-the-minute and reliable data**
It's critical to have the latest exchange rate data, so Abstract provides various options, from updates every hour to updates every 60 seconds.
- **Highly accurate exchange rate data**
We have long standing relationships with multiple trusted data providers to ensure you have the most accurate exchange rates. We worry about data quality so you can focus on your business.
- **Coverage for global exchange rates**
We work with multiple trusted partners around the world to ensure you have the latest and trusted data for 150+ currencies and 10,000+ currency pairs.
- **Robust historical data**
In addition to the latest exchange rates, you can also find historical data going back decades for multiple currencies and exchange rates. Power search options help you find what you need.
- **Cryptocurrency exchange rate support**
We're big believers in the crypto economy and include support for major cryptocurrencies, including exchange rates within crypto and between crypto and fiat currencies.
- **Bank-level security for all queries**
Our speed, data quality, and documentation are great, but security is top of mind too. All data that is sent and processed is secured via 256-bit SSL encryption (HTTPS).

Exchange Rate and Currency Conversion API

Access stocks, forex and other financial assets from anywhere at any time.

The Twelve Data API can be used to access world financial markets including stocks, forex, ETFs, indices, and cryptocurrencies. Most of the exchanges are available in real-time, while others have some delays. Over 20+ years of end-of-day data and a couple of years for intraday historical data.

**Simple integration**
Start receiving data via API. The Twelve Data API supports JSON & CSV formats.

**Reliable data**
Institutional grade data trusted by the largest firms. 170ms average latency.

**Global coverage**
All US stock exchanges. 90+ international exchanges. 180+ cryptocurrency exchanges.

**Technical analysis**
All symbols are processable with 100+ technical indicators.

**Reference data**
Enhance application with necessary reference data.

**Batch calls**
Increase efficiency by requesting up to 120 symbols per single API call.



Twelve Data API

Democratize Financial Data with the most powerful stock API on the market.

### Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto

Access real-time stock API, institutional-grade fundamental and alternative data to supercharge your investment for FREE.

#### About Finnhub Stock API
With the sole mission of democratizing financial data, we are proud to offer a FREE realtime API for stocks, forex and cryptocurrency. With this API, you can access realtime market data from stock exchanges, 10 forex brokers, and 15+ crypto exchanges. We also provide institutional-grade alternative and fundamental data for global companies through our stock API. We make use of state-of-the-art machine learning algorithms to collect, clean, and standardize data across global markets. See why Finnhub is the leader in financial data APIs with this stock APIs comparision.

#### Fundamental Data
**Financial statements**
We provide detailed financial statements for global companies going back 30+ years.
**Ownership**
Comprehensive list of shareholders classified into individual and institutional.
**Analyst's Estimates**
Real-time earnings notifications, historical surprises, analyst's price target and upgrade/downgrades.
**Global ETFs, Mutual Funds and Indices**
Comprehensive ETFs, Mutual funds and Indices data such as profile, holdings, historical constituents and industry exposure. Global ETFs' constituent data is available on Finnhub.

Finnhub Stock API

Free real-time, historical and intraday stock data APIs

### What can you do with our API?
Our API provides global stock market data including real-time, intraday and historical data, plus near real-time and historical crypto and forex data.

Business + stock market news and analysis APIs are also available which can be used to create news feeds. News feed APIs can be filtered with numerous criteria, including symbol, type, exchange, industry, country and much more. Our news data allow us to identify which stocks are trending and identify best and worst performing stocks based on sentiment, all of which is available from our market news analysis endpoints.

#### Key Features
- Real-time quotes.
- Real-time intraday data
- Historical data
- Market news data
- Fast and scalable

#### Need support?
We support over 5,000 news sources globally in over 30 languages, tracking over 150,000 entities every minute from over 70 markets worldwide.


The Top 15 Cryptocurrency Apis for Developers