Before you start you need to create Sigfox account. You need Pycom device with Sigfox to get your Sigfox account. Follow these instructions.
Once you have your account set up and are logged into Sigfox backend, you need to create API credentials for Pybytes.
Click on GROUP → <your_company_name> → API ACCESS → New
In the form chose a Name, e.g., pybytes. Then select the Profile LIMITED_ADMIN
and click on Ok.
From here you copy Login and Password
and paste them in Pybytes Settings → Sigfox API.
Now Pybytes will confirm that the Sigfox integration has been activated.
Read more how to use Sigfox with devKit contract.
Read more how to use Sigfox with Custom contract.