How to get my api key

How to get my twitter api key 

https://dev.twitter.com/apps/new

1. Go to https://dev.twitter.com/apps/new  and log in, if necessary
2. Supply the necessary required fields, accept the TOS, and solve the CAPTCHA.
3. Submit the form
4. Copy the consumer key (API key) and consumer secret from the screen into your application

If you also need the access token representing your own account's relationship with the application:

1. Ensure that your application is configured correctly with the permission level you need (read-only, read-write, read-write-with-direct messages).
2. On the application's detail page, invoke the "Your access token" feature to automatically negotiate the access token at the permission level you need.
3. Copy the indicated access token and access token secret from the screen into your application

Be sure and configure your application as needed before attempting the "your access token" step.