One can book via AirBnb, and yes, via Booking.com. I was eyeing for Azure Urban Residences, the one designed by Paris Hilton herself as I saw one at around 2,500 php per night but it requires 2 nights minimum stay so I opted for SM Sea Residences instead in Mall of Asia area in Pasay. This one I got for only 1,800 pesos via Booking.com
I noticed many travelers checking in af SM Sea Residences. One can tell due to their backpacks and luggage. It's proximity to the airport and lower rate compared to hotels in the area makes it a practical choice for an overnight stay if you are to take a flight the next day or in a few hours.
While it turned out to be an ordinary space for us since we are also condo dwellers and as I mentioned due to our awesome experience ag Novotel Manila the day before but I would still recommend the place for those who want a change of environment. Also perfect for small families looking for staycation and for a small group of friends who want to chill-out in an urban resort setting.