I actually used a pay day loan once.
I was in a situation where bank charges went out of my account a few days before I was paid, so the charges took me overdrawn, which meant I got more charges etc.
I know they have a bad reputation but if you need some money short term and it is a one off.
I use 'Top Cashback', mostly I just get 5p here and 10p there but I had to renew my electricity contract recently and that got me £50, well it will because there is quite a delay between it tracking and payment, I think this is 14 weeks.
Who do you bank with? I have several accounts but have just had £50 credit from Nationwide because they have taken over another company. Last year I got £100 from them. You have to have a current and savings account with them and some money in each.
My electric is with EDF, they give a certain number of hours of free electricity on a Sunday, so that's when the washer/dryer is on.
I'm signed up with the origin panel. This isn't for everyone A device monitors the adverts you watch on TV or on your computer. You earn points every month which you can spend on goods they offer or you can exchange for vouchers. I live alone and get the equivalent of £10 a month.
https://www.theoriginpanel.uk/
I know these are not all short term I hope things improve for you.