# developer-faqs

- [How do I send text-to-speech messages via the API?](/connectivity-platform/developer-faqs/how-do-i-send-text-to-speech-messages-via-the-api.md)
- [What is the difference between a live key and a test key?](/connectivity-platform/developer-faqs/what-is-the-difference-between-a-live-key-and-a-test-key.md)