If you'd like to develop an application for the We the People Write API, you must first obtain a key. Complete this application, accept the Terms of Use, and the White House will review your application. Once your application has been accepted, you'll receive two keys - one for testing, and one for production.
Click here for more information about the Write API.
Terms of Use:
By applying for a We the People Write API key, you acknowledge that you have read, understood, and agree to be bound by the Terms of Use, as well as the terms and conditions contained in the WhiteHouse.gov Privacy Policy and We the People’s Terms of Participation and moderation policies, and to comply with all applicable laws and regulations.