The minimum amount to withdraw from the Prolific platform is $7/ £5, which is subjected to a small fee. These fees can reduce significantly if you accumulate more than $28/ £20 and use Circle to withdraw. Below this amount, you will incur 1% and $0.14 per transaction when using Circle. However, when using PayPal, you will be charged the normal 2.9% and $0.28 per transaction.