feat: add proper handling

[dxphilo]

Description

Add API error handling

Merge Checklist

• Is the title of the PR in this format: [fix|docs|feat|refactor|chore|tests] short description ?
• Added new tests - if necessary (if you changed an API interface or added a new route, you most probably need to add new tests)
• Added appropriate documentation (if you changed an API interface or added a new route, you most probably need to update/add the appropriate documentation)
• Do you need to update the README?
• Do you need to update example.env?