Stripe
card · api
Card processing. Full API.
Default option for online card payments, subscriptions, and SaaS checkouts. Wide feature set, predictable behavior, mature documentation.
for-business / 05 / payments
Your money. Your processor. Your terms.
We don't lock you into one payment processor. Stripe, Square, Venmo, Zelle, or whatever your business already runs on — we integrate with what fits. We never take a cut of your sales.
$0
Platform cut from Stagg · ever
Any
Processor with a public API
Swap
Without rebuilding checkout
Your
Rates · negotiated with you, not us
// problem
Locked into a processor you didn't pick.
Most SaaS commerce platforms make the processor part of the deal. Toast bundles its own processing. Shopify charges a surcharge if you don't use Shop Pay. Square ties its hardware to its rates. The choice gets made for you, and you can't switch without rebuilding everything.
The rates you're paying might not even be the best ones for your business — but you can't shop around when your checkout, your customer data, and your inventory are all entangled with one processor.
Stagg builds processor-agnostic. Your checkout abstracts over the processor. If a better rate comes along next year, you swap — same checkout, new backend.
$ ls processors/
What we integrate with.
// what we use today
Square
card · in-person
In-person + online.
If you have a physical location and need a terminal, Square's hardware plus its API plays nicely with custom checkouts.
Venmo
wallet · p2p
Zero processing fees.
For service businesses where customers are happy to pay via Venmo, every transaction is fee-free. Adds up over a year.
Zelle
bank · b2b
Bank-to-bank, no fees.
For invoiced work and B2B payments. Funds settle into your bank account directly — no processor middleman.
Your bank's merchant services
merchant
Whatever you already negotiated.
If your bank has already set you up on merchant services, we can integrate. Sometimes the best rate is the one you already have.
Whatever else has an API
bring your own
Tell us who you want to use.
If your processor has a documented API, we can wire it in. Bring us the one you've already gotten the best quote from.
$ diff stagg saas-processor
Processor-agnostic vs locked.
// what changes
Aspect
Stagg checkout
Bundled SaaS processor
Processor choice
Pick + swap any time
One option · locked
Negotiated rates
Your rates · we're not in the loop
Their published rates only
Multi-processor
Yes · route by channel or transaction type
No · one processor only
Platform surcharge
$0 from us
A surcharge per transaction · forever
Compliance (PCI scope)
Tokenized · iframe · we stay out of card data
Same scope reduction
$ stagg --quote payments
Pick your processor.
Free consultation. Tell us what volume you're doing and what processors you've already been quoted by. We'll suggest the best fit and integrate it.