Company · checkout referrals
api4.ai
Ranked #6,932 of 9,542 companies sending people to pay, with 482 checkout visits from April to September 2026.
uncategorisedno global rank
#single-checkout
#6,932
of 9,542 by checkout visits
482
visits to checkout pages, six months
80
visits a month, on average
1
checkout used
All through Lemon Squeezy
Where its buyers pay
- Lemon Squeezy482100% of its checkout traffic · #249 among everyone sending to Lemon Squeezy
Trend, April to September
0
Apr
0
May
0
Jun
482
Jul
0
Aug
0
Sep
Peak in July at 482 visits.
api4.ai sent 482 visits to checkout pages over six months, about 80 a month, which puts it at #6,932 of 9,542 senders we traced.
100% of that went through Lemon Squeezy. It uses a single checkout, so its buyers all pay through Lemon Squeezy.
Similarweb files it under uncategorised. 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 9,542 companies ranked. Filter by niche and compare.