What are some alternatives?
When comparing Crypto APIs and Infura, you can also consider the following products
BlockCypher - AWS for Block Chains
Jaxx - Jaxx.io is a blockchain wallet available as desktop software, a mobile app, or as a Chrome extension
Pocket Network - Pocket provides a trustless API Layer and developer tools, allowing easy access to any blockchain.
Colordot for iOS - A color picker for humans.
Frost - An open API for Blockchain timestamping
BAND - Friends, families, teams, clubs, fandoms, and gamers all group together on BAND