Get Access Token

curl --request POST \
  --url https://api.us.chkk.io/v1/login \
  --header 'Authorization: <api-key>'

{
  "access_tokens": {},
  "user": {
    "user_id": "<string>",
    "email": "<string>",
    "name": "<string>",
    "profile_picture": "<string>"
  }
}