$curl -G https://api.x.flatfile.com/v1/environments/subscription-token \> -H "Authorization: Bearer <token>" \> -d environmentId=us_env_YOUR_ID
1{2 "data": {3 "accountId": "us_acc_YOUR_ID",4 "subscribeKey": "sub-c-TOKEN",5 "ttl": 15,6 "token": "LONG-TOKEN"7 }8}