For security reasons all accounts have a character limit at 10.000 characters pr. request. If you have cases where you need to analyze a big amount of text, you might need to increase this limit. Now you can - just send us a message at email@example.com.
In case you want to increase it above 10.000 characters, know that you'll be charged pr. beginning 10.000 characters.
You can always see your current account limit in your settings.