curl -X POST https://api.fullcontact.com/v3/person.enrich \
-H 'Authorization: Bearer {Your API Key}'
Authenticating with the FullContact API is accomplished through the use of an API key. You can retrieve and manage your API keys from the Developers section.
When accessing the FullContact API, include your API Key within the "Authorization" header of your POST, using a prefix of "Bearer". An example of this is shown to the right.