A flat fee per order is sales commission in dollars rather than percent. Every attributed order pays the same amount, whatever is in the cart. It is the creator-side version of a CPA, the cost per acquisition that ad platforms report as spend divided by conversions (Google). Some affiliate programs are built entirely on it; Shopify’s pays a fixed bounty per qualified referral rather than a percentage (Shopify).
The flat amount makes two things simpler. The brand knows its cost per sale in advance. The creator does not need to know the order value or worry about discount codes shrinking the base.
Example. A brand pays $20 per order. A creator’s code is used on 35 orders in a month, so $700. On a percentage deal at 15 %, the same 35 orders would have paid $700 only if the average order was $133; at a $60 average they would have paid $315. The flat fee favours the creator on cheap carts and the brand on expensive ones. Example numbers, not a benchmark.
When brands use it. The pain this answers: “Why add to my CPA when I can just pay $200-300 a video?” A flat fee per order is a CPA the brand picks, so it never adds more than it chose. It fits products with one main price point and brands that budget by cost per customer. It fits less well when carts vary a lot, because a $20 fee on a $25 order is most of the margin. It is the rarest public structure: 145 of 7,969 public programs on Trybe pay a fixed amount per order, median $15, most common $10 (our count from TrybeDaily’s brand pages, checked 31 Oct 2026).
The creator’s view. Compare the flat amount with the typical order. $20 on a $150 cart is a fair affiliate rate; $20 on a $400 cart is low, and a percentage would pay more. Ask what counts as an order (a paid order, or one that survives returns) and whether a cap applies.
On HourlyUGC. The sales share can be a percentage, 1 to 50 % of each order, or a fixed $1 to $500 per order. Sales are counted by Meta or by HourlyUGC through a connected Shopify store or its pixel, last touch within 7 days, with creator links and codes. Next step: start a campaign on HourlyUGC.