To get the api client you need (description for clients):
- login/register on deepL https://www.deepl.com/translator
- go to https://www.deepl.com/pro-api?cta=menu-pro-api
- click on "Sign up for free", and then again "Sign up for free"
- enter your contact details and card details there, then confirm the form below and confirm the banking transaction for deepL (in your online banking → follow the bank's instructions)
- then go to https://www.deepl.com/account/summary
- below is the last box with the API key. Inside is a string made up of dashes, numbers, letters, etc. This needs to be copied and sent to the programmer.