You do not need to pay M50 tolls through the E-Flow website when you pass the tolling point in a GoCar. Instead, when you pass this point, the charge will be added automatically to your booking and charged to your GoCar account.
The M50 toll is charged to vehicles passing between junctions 6 and 7 on the M50. It is a barrier-free toll. The registration number of the car is captured by camera. For more details on the toll, see https://www.eflow.ie/help-guidance/faqs/the-m50-toll-road/
As of January 1st 2024, toll rates have increased to €3.70 for cars and €4.70 for vans. This includes a 60cent admin fee. Toll charges on all other routes should be paid directly to the toll operator at the time of passing through the toll.