MessageBird is a service for sending SMS at its core https://www.messagebird.com/
Currently the planned features only include to send SMS and query SMS stati.
There are no immediate plans to support the Voice or Conversation API, if you feel like doing the work, I am happy to review PRs and integrate.
crate eserde_plain
for trait ToString
and trait FromStr
for objects which are used in filtersMIT or Apache-2.0
If neither of those works for you, feel free to request so via a github issue.
Since I am not affiliated with MessageBird in any kind (other than being their customer) I'd be delighted to if you'd leave a tipp