Authentication guide - Twitter === 1. Sign-in or sign-up for a Twitter account 2. Go to the Twitter Application management page [here](https://apps.twitter.com/) 3. Click on the **Create New App** button to create a new Twitter app: ![create-twitter-app](../images/auth/create-twitter-app.png) 4. Fill out the create application form, check the developer agreement box, and click **Create Your Twitter Application** ![register-twitter-application](../images/auth/register-twitter-application.png) *Note: you may have to register your phone number with Twitter to create a Twitter application* To do this Click your profile icon --> Settings and privacy --> Mobile --> Select Country/region --> Enter phone number --> Click Continue 5. After you receive confirmation that the Twitter application was created, click **Keys and Access Tokens** ![twitter-app-confirmation](../images/auth/twitter-app-confirmation.png) 6. Obtain your Twitter Consumer Key and Consumer Secret ![twitter-app-keys](../images/auth/twitter-app-keys.png) 7. Add your Consumer Key and Consumer Secret to your config.json file or pass them as environment variables: * config.json: ````javascript { "production": { "twitter": { "consumerKey": "esTCJFXXXXXXXXXXXXXXXXXXX", "consumerSecret": "zpCs4tU86pRVXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" } } } ```` * environment variables: ```` HMD_TWITTER_CONSUMERKEY=esTCJFXXXXXXXXXXXXXXXXXXX HMD_TWITTER_CONSUMERSECRET=zpCs4tU86pRVXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ````