Zumper API
Zumper (zumper.com) has 2 public methods: get average rents by city and search rentals. Each costs 1 credit per completed run (1¢ with pay as you go); failed runs are free.
Unofficial. Not affiliated with or endorsed by Zumper.
Methods
2Gets Zumper's current median monthly rents for studio through three-bedroom homes in a city, with monthly and yearly percentage changes. National rank is included only when the same-month U.S. national report ranks the city.
Returns city, month, currency, median rents and changes by bedroom count, national rank, report link
Readzumper.com/get_average_rentsSearches Zumper apartments and homes for rent in a city or neighborhood. You can filter by price, bedrooms, pet policy and property type.
Returns name, address, rent, beds, baths, square feet, availability, pets, photo, link
Readzumper.com/search_rentals