cashflowing
Company · checkout referrals

oachallenge.com

Ranked #8,391 of 22,010 companies sending people to pay, with 1.4K checkout visits from April to September 2026.

Coupons and Rebates#7,394,937 in the world (Similarweb)
#coupons and rebates#single-checkout
#8,391
of 22,010 by checkout visits
1.4K
visits to checkout pages, six months
241
visits a month, on average
1
checkout used
All through Gumroad

Where its buyers pay

  • Gumroad
    1.4K
    100% of its checkout traffic · #533 among everyone sending to Gumroad

Trend, April to September

1.4K
Apr
0
May
0
Jun
0
Jul
0
Aug
0
Sep

April to September: -100%. Peak in April at 1.4K visits.

oachallenge.com sent 1.4K visits to checkout pages over six months, about 241 a month, which puts it at #8,391 of 22,010 senders we traced.

100% of that went through Gumroad. It uses a single checkout, so its buyers all pay through Gumroad.

Similarweb files it under Coupons and Rebates. It isn’t one of the AI products we classified by hand, so it doesn’t count toward the AI total.

Visits are modelled third-party estimates, not revenue. Read what this can’t tell you before you act on a single number.

Free dataset

Every company, in one CSV.

The top 500 senders for each of 15 checkouts, plus all 22,010 companies ranked. Filter by niche and compare.

We’ll email you a download link. No spam, and you can unsubscribe anytime.