You can use either your DeepL PRO or Free (500K characters per month ) API key in translator.
In order to create an account and get your key , please register in DeepL using this link.
If the provided keys are correct , you should see a green check mark.
You can easily customize the InDesign document's translations and add new ones using the web editor, here are all the features which will make translating InDesign documents a swift task
Using the excel export/import features comes handy when you want to have your texts translated or proofread by an external translator.
After the translation process is completed, open your document and click on Document -> Download
If some of the texts aren't translated yet, you can get back to the editor and complete the translation otherwise they will be replaced by the original values.
If everything is ready to go , click on "Apply" and the download of the translated InDesign document will start shortly after.
MyTranslator offers two options to add entries to your Translation memory
To view the translation memory entries , click on "Search translations" from the left side menu. You can use the search form either to search for a particular text (2) and in this case you should precise the language pair (3) , the language to search in (4) and the similarity level (5). If you want to see all the available translations, simply select a language pair (3) and click on search.
You can delete an entry from the TM by clicking on the bin icon.
In order to export InDesign documents or add entries to your translation memory, you need to have enough credits in your account. In the following video you can see how to purchase credits.
Please make sure not to close the Translator tab / browser window before the transaction is complete.
Click on the "Usage" link from the left side menu
The first pie chart show the export credits usage ( credits used for exporting InDesign documents) and the second one is relative to the translation memory usage.