No, using Hastee to access part of your earned income before your regular payday will not affect your access to state benefits. UK state benefits assess your total earnings for each pay period, regardless of when you receive them. Therefore, whether you get some of your earnings early or have fluctuating income due to different shifts, it’s the total income for each assessment period that matters.

For more information, you can visit this page: Salary advance and Earned Wage Access explained | MoneyHelper