On February 9, 2023, Twitter ended free access to its API, causing third-party apps to stop functioning and criticism from users.<ref>https://fortune.com/2023/02/10/elon-musk-twitter-charging-money-api-research-tool-scientist-explains-damage/</ref> | On February 9, 2023, Twitter ended free access to its API, causing third-party apps to stop functioning and criticism from users.<ref>https://fortune.com/2023/02/10/elon-musk-twitter-charging-money-api-research-tool-scientist-explains-damage/</ref> |