The fees and visa type varies from country to country you are arriving. However, these are the main requirements to get a German visa:

The Germany embassy in each country has an updated checklist of the Germany Visa requirements for each type of visa.

These are the following documents required for application:

Application Form: submit a duly filled form with the correct information.

Passport: It should be valid for three months and beyond.

Photo: The photo must be taken within the last three months.

Health Insurance: It should cover illnesses and accidents, repatriation in case of death, and a minimum coverage of € 30.000.

Travel Itinerary: Provide round trip flight and travel reservation as well as proof of what you are planning to do in Germany.

Proof of Financial Means: Provide a recent bank statement that shows you can spend at least 45€ per each day. Or submit a formal declaration of a third person who is willing to finance their travel and stay in Germany alongside with proof of their financial means.