APIsList - The APIsList is the directory for all the public APIs compiled from different open sources and enhanced its data with the APIsList parsing engine.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
botwick - Build your own SMS-based text bot
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Abot for Slack - Trusted by over 1000 Slack teams ✅. Abot is a simple and highly configurable app for anonymous feedback messages and more. If you want to create a poll on Slack or use it as an anonymous suggestion box you just need to type a simple command.
Plivo - Plivo simplifies your customer engagement.