Based on our record, BitcoinAverage Cryptocurrency API seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I use a few APIs like CoinGecko etc...I ingest into a database and average the prices. The purpose here isn't absolute accuracy (you can go directly to the exchanges for that) it's to give an overall view a bit like Preev.com did. I think they used bitcoinaverage.com or something for their data, I never really figured it out. Source: almost 2 years ago
BitsLeader - Bitsleader is an automated portfolio management tool that is designed for people who can't afford to look at the market 24/7. bitsleader allows them to sleep peacefully. whether it's a long-term investor or short-term.
CryptoCompare - We bring you all the latest streaming pricing data in the world of cryptocurrencies.
CoinArbitrage - Crypto Currency Price Monitor in Real time with Alerts and Notification through email, sms, Desktop Notifications Instantly and watch all of your assets and coins in one place with 16 Exchanges, 6500+ Coin (bitcoin, etherum, dogecoin,litecoin,ripple)
Bitquery - Tools that parse, index, access, search, & use info across blockchain
CoinCap.io - Shows the prices of different cryptocurrencies from ShapeShift.
CoinMarketCap API - CoinMarketCap is the biggest plattform aggregating cryptocurrency informations e. g. prices and marketcap from multiple exchanges. CoinMarkeCap provides multiple APIs all offer a certain amount of data for personal usage for free.