For starting development with EnerTalk APIs, you need the EnerTalk device which upload the data.

Don’t worry about even you don’t have device now. We provide test account that has virtual device. you can query the usage data with this account for starting development.

ID:
Password: !Encored0325

There are some restrictions when you use this account.
Please don’t use the APIs to update information of this account like “PUT /me”.