AvatarAPI.com is an API that allows you get images, names , and sometimes addresses from an email address, depending on what source / provider is used.
Today, GitHub is the latest addition to the source list, which means that anyone with a public email address on their GitHub profile can be searched, returning the avatar icon, and the account name.
A handful of potential use cases for this API are as follows;
Social media and networking apps can use the API to automatically populate user profiles with their contact’s profile pictures and names.
Email clients can use the API to display the sender’s profile picture and name in the email’s header.
Customer relationship management (CRM) software can use the API to associate a customer’s email address with their profile picture and name.
Online marketplaces and e-commerce platforms can use the API to show a buyer’s profile picture and name on their account page.
Collaboration and productivity tools can use the API to display a team member’s profile picture and name in a shared document or project management platform.
Security and authentication systems can use the API to verify the identity of a user based on their email address and associated profile picture and name.
Online gaming and virtual reality platforms can use the API to display a player’s profile picture and name in-game or on a leaderboard.
Educational and training platforms can use the API to associate a student’s email address with their profile picture and name in a virtual classroom.