Migration guides

Switching processors
without losing a day.

Every migration below is a 10-day playbook written by operators who've actually moved portfolios off legacy stacks. Zero downtime. Full data portability. Your existing customer vault ports in on day 3, the old account drains on day 30.

from Authorize.net

Migrate to multiflow

Authorize.net is a gateway — not a processor. When you migrate "from Authorize.net" you're usually migrating from Authorize.net + a legacy acquirer…

10 business days · Zero
from PayPal Business

Migrate to multiflow

PayPal Business is rarely wrong as an accepted payment method — it's wrong as a primary processor. When customers pay by card…

10 business days · Zero — PayPal continues as optional wallet checkout
from Shopify Payments

Migrate to multiflow

Shopify Payments is the default — and the tax. Shopify charges 0.5-2% extra when you process on "any other gateway," which has…

10 business days · Zero
from Shopify Plus

Migrate to multiflow

Shopify Plus stores typically run $10-100M GMV. At that scale, 0.5% is not noise — it's a board-level line item. Shopify Payments'…

10 business days · Zero — Certified Gateway status preserves Shop Pay, Apple Pay, Google Pay
from Square for Retail

Migrate to multiflow

Square for Retail is fine until you're running 3+ stores and want per-brand descriptors, separate buyer contracts per DBA, and true cost-of-goods…

10 business days · Zero at the register; 20-minute install per location outside business hours
from Square Payments

Migrate to multiflow

Square is the cleanest on-ramp to payments in the industry — and also the cleanest trap. Your customer directory, card-on-file vault, invoice…

10 business days · Zero online; 15-minute terminal swap per location
from Stripe Atlas

Migrate to multiflow

Stripe Atlas is the fastest way to incorporate a Delaware C-Corp — but it's not a processor. The confusion is that Atlas…

10 business days · Zero
from Stripe Connect Custom

Migrate to multiflow

You went Custom because you wanted control — and you got 80% of it. The last 20% is rails: Stripe still sets…

10 business days · Zero
from Stripe Connect Express

Migrate to multiflow

Stripe Connect Express is a decent bootstrap for marketplaces — until your top sellers start asking why 2.9% + $2 per payout…

10 business days · Zero for buyers; sellers reauthenticate once in a white-labeled flow
from Stripe Standard

Migrate to multiflow

Stripe Standard is the easiest processor to start on and the hardest to leave — until you know the playbook. In ten…

10 business days · Zero

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