Stax · Pricing Plans
Stax Plans Pricing
Stax Plans Pricing is the pricing profile for Stax on the APIs.io network — every figure transcribed verbatim from the provider’s own pricing page on 2026-10-28.
It defines 8 plans, including Stax Pay (starting) — Starting at* $99 /month; Processing up to $150,000 per year — $99/month; $150,000-$250,000 in processing per year — $139/month, and 5 more.
The page prices the business product the API comes with, not the API alone, as a tiered subscription; the service is delivered as managed.
Tagged areas include Payments, Payment Processing, Merchant Services, Embedded Payments, and ACH.
8 Plans
Prices the product
Basis: tiered subscription
Delivered: managed
Transcribed from the provider's pricing page on 2026-10-28 — staxpayments.com/pricing/.
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PaymentsPayment ProcessingMerchant ServicesEmbedded PaymentsACHInvoicingSubscription BillingSurchargingPoint-of-SaleTokenizationFinancial ServicesFintechCard PresentMerchant Onboarding
Plans
Stax Pay (starting)
month
Starting at* $99 /month per subscription
Includes: 0% markup on direct-cost interchange; all listed features
Overage: Card present $0.08 per transaction; Card not present $0.15 per transaction
Processing up to $150,000 per year
month
$99/month per subscription
Includes: Processing up to $150,000 per year
$150,000-$250,000 in processing per year
month
$139/month per subscription
Includes: $150,000-$250,000 in processing per year
$250,000+ in processing per year
month
$199+/month per subscription
Includes: $250,000+ in processing per year
ACH processing add-on
per-use
1% per transaction (capped at $10) per transaction
Terminal protection plan
month
$19/month per terminal
Includes: Unlimited swaps for defects, accidents, and wear and tear
Merchant debit surcharge pricing
per-use
1.25% + $0.25 per transaction per transaction
Custom quote
none
Reach out for a custom quote
Sources
Work with this as data
Every plan here is available over the APIs.io API and to AI agents over MCP.