Official docs (fetched 2026-09-06): authorize.net/sign-up/pricing.html — All-in-one $25/mo + 2.9%+$0.30
First-paint KEEP uses only the per-txn 2.9%+$0.30. The official $25/mo gateway fee is a typed line, default $0, never baked into KEEP. Optional Shopify Impact bridge + FTC.
FAQ
How much do you keep on $100 with Authorize.net All-in-one?
Default first paint: KEEP $96.80. Official All-in-one per-txn 2.9%+$0.30 from authorize.net/sign-up/pricing.html. Fee = 0.029×100 + 0.30 = $3.20. KEEP = 100 − 3.20 = $96.80. Planning only. Not affiliated.
Is the $25/mo gateway fee inside KEEP $96.80?
No. The official pricing page prints $25 per month on All-in-one. This calculator keeps that as a typed monthly line, default $0, never subtracted from per-sale KEEP. Type 25 if you want extras to count sales that cover the plan.
What fees does Authorize.net All-in-one print?
Official: $25/mo + 2.9% + 30¢ per transaction. Gateway-only and other rows are you-type — this hub does not invent Interchange-Plus or reseller rates. Confirm on authorize.net/sign-up/pricing.html.
Is this affiliated?
Not affiliated with Authorize.net. Affiliates none claimed. Optional Shopify Impact competitor bridge, disclosed. Educational planning only.