# Phone API Keys If you have multiple phones, you can create a unique phone API key for your Android phones. These API keys can only be used on the httpSMS app on your Android phone so it can send heartbeats, register received messages and register sent, failed and SMS delivered events. {% hint style="info" %} These phone API keys should only be used on the httpSMS Android app. If you want to interact with the full [httpSMS API](https://api.httpsms.com/index.html) use the API key under your account settings page instead {% endhint %} ## Create a phone API key You can create a unique API key for your phone using this link and click on the blue `CREATE API KEY` button.

Phone API Keys

After creating the phone API key you can click on the blue `VIEW` button to see the API key and you will also get a QR code which you can scan using the httpSMS android app to login. {% hint style="info" %} [Download and install ](https://apk.httpsms.com/HttpSms.apk)the latest version of the httpSMS Android app before using the phone API key to login. {% endhint %} ### Remove phone from phone API key A phone number on your account can only be associated to 1 api key at a time. When you login to the Android app using an API key, the httpSMS system will automatically remove the association between the phone number and previous phone API keys. You can also manually remove the association between a phone number and an API key by clicking the `REMOVE` button beside the phone number. Note that when you remove a phone number from a phone API key you will need to logout of the httpSMS android app and login again. ### Delete phone API key You can also delete a phone API key bu clicking the `DELETE` button as shown in the screenshot above. {% hint style="info" %} After deleting a phone API key, you will need to logout of the httpSMS Android app and login again with a new API key for the app to function properly {% endhint %}