This utility can login into Cowin, track vaccine availability and automatically book a a vaccination slot if you are logged in. The app is made possible by https://apisetu.gov.in/public/api/cowin This also supports the captcha code that Cowin recently added.
The webpage is available at https://yashwanthm.github.io/cowin-vaccine-booking/
Running locally
yarn install
yarn start
Update poll frequency using
localstorage.pollFreq = 1000
This also works on the deployed version.