"Features as a service" APIs
by Clement Vouillon
1. User management
1.1. YesGraph (Referral)
1.2. StormPath
1.3. oAuth.io
2. Search
2.1. Algolia
2.2. Dextro
3. Dashboards
3.1. Keen.io
3.2. Reflect.io
4. Data Enrichment
4.1. Clearbit
4.2. Email Hunter
4.3. FullContact
5. Others
5.1. Textio (TextBox API)
5.2. Picatic (events)
6. Messaging
6.1. Layer
6.2. BuddyCloud
6.3. Imoji
6.4. SendBird
7. geo
7.1. MapBox
8. Social
8.1. TapGlue
9. file management
9.1. Cloudinary
9.2. FileStack
10. eCommerce
10.1. Semantics3
11. Booking / calendar
11.1. Timekit
11.2. Cronofy
11.3. Periodic
12. Voucher
12.1. voucherify