I used to be a big fan of Blitz.io, and used it a lot for benchmarking my client's services. However they changed their payment model so the only option is to s

I used to be a big fan of Blitz.io, and used it a lot for benchmarking my client's services. However they changed their payment model so the only option is to sign up for a monthly subscription, which does not fit in with my use case. Does anyone know of an alternative that uses a pay-per-use option? In the meantime I have reverted to Bees with machine guns.