Yes, your landlord is usually obliged to issue you a confirmation of residence (Wohnungsgeberbestätigung) for the registration (Anmeldung) with the authorities. If you need any additional documents, please contact your landlord directly.
You can find further information here: Can I register in the apartment I book on Wunderflats (Anmeldung)?
For our complete guide on registering your address with the authorities in Germany, visit the Wunderflats Hub.