Follow this step-by-step guide (3 minutes)
If everything is done right, you'll see this screen:
Error message?
Please check these, and click Save again:
Ensure you've pasted the credentials in the right fields (don't paste the email address into the API key field)
Double-check for any misspellings or unwanted spaces in the credentials you entered.
Verify that you have at least one template set up in your FastBill account.
Still need help? Write to us via chat, and we solve it in a few hours.