Delay Paypal payment - Braintree APIs

I am developing a website that offers car-washings in all places publicly available through geolocation. However, due to weather instability, bookings can be cancelled at any time; instead of issuing expensive refunds, I would like to charge customers only once the washing has been performed.

I would like to accept Paypal payments and was suggested to use Braintree. Do you know if it is possible to delay charges with Braintree APIs on Paypal accounts?

I use Laravel 5.1.

Thank you

via Chebli Mohamed