Verified gov or publicly owned services who tweet weather alerts, transport updates and emergency notifications may use the API, for these critical purposes, for free.

According to the National Weather Service, Twitter is not planning to exempt is public service emergency weather alert accounts from the platform's new limited API rules, despite reports to the ...

Dark Sky was a predictive weather app and API with to-the-minute precipitation predictions acquired by Apple. Learn about it here.

Twitter has finally decided that it's a bad idea to cut-off free API access to public transit and emergency weather alert accounts.