Keep $96.80 on $100 after Square Online API 2.9%+$0.30 (2026)

How much do you keep on $100? Starting keep twin: KEEP $96.80. Official: Square Free/Plus/Premium Online API card payments 2.9%+$0.30 (same across plans). Sister Square Online Free checkout/invoices 3.3%+$0.30 is /square-online-keep/ ($96.40); Plus/Premium online 2.9%+$0.30 you-type; plan $0.

Not affiliated. Confirm on the live official page. Planning math only. PARK: BILL · invent fees · PartnerStack Network · Soft-no Shop Pay Installments / Meta / Zip / eBay Promoted / Toast / Clover.

Locked formula

KEEP = sale - 0.029x sale - 0.30

Worked example -- $100

You type

Sources

Square pricing (Online API 2.9%+$0.30 Free/Plus/Premium) · Square fees help. Sister Square Online $96.40 · Square Plus Online. Planning twin: /square-online-api-keep/.

Keep $96.80 Shopify vs KEEP $96.80 on $100 -- Start Shopify (Impact · FTC: affiliate)

FAQ

How much do you keep on $100?

When the page opens on the KEEP hub: KEEP $96.80. KEEP = sale - 0.029x sale - 0.30. Official: Square Free/Plus/Premium Online API card payments 2.9%+$0.30 (same across plans).

What are the official fees?

Square Free/Plus/Premium Online API card payments 2.9%+$0.30 (same across plans). Sister Square Online Free checkout/invoices 3.3%+$0.30 is /square-online-keep/ ($96.40); Plus/Premium online 2.9%+$0.30 you-type; plan $0.

Is this affiliated?

Not affiliated. Affiliates none found. Shopify Impact bridge CTAs.

Compare Shopify -- keep $96.80 on $100 (Impact · FTC: affiliate) KEEP $96.80 on $100 Related Seller-fees hub