APIs · head to head
Marqeta vs Treasury Prime
Marqeta
APIs
Card issuing and transaction processing APIs with just-in-time funding
- From
- On request
- Rated
- -
Treasury Prime
APIs
Banking as a service platform sold to sponsor banks rather than to fintechs
- From
- On request
- Rated
- -
The short version
- Each has a real cost: Marqeta you still need a sponsor bank and a BIN, so the timeline and compliance burden of launching are set by a bank you must separately court and satisfy.; Treasury Prime a fintech cannot buy Treasury Prime directly since the 2024 pivot, so the sales process starts with finding a sponsor bank willing to take your programme, which adds months and removes most of your negotiating leverage on fees.
- They diverge on capability: Marqeta covers Just-in-time funding, Treasury Prime covers BankOS.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Marqeta and Treasury Prime actually diverge.
| Attribute | Marqeta | Treasury Prime |
|---|---|---|
| Platforms | Web, REST API | API, Web |
Identical on both: starting price (On request), pricing model (quote), free tier (No), user rating (Not yet rated), category (APIs).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Marqeta
- Just-in-time funding
- Virtual and physical issuing
- Spend controls
- Programme management tools
- Multi-region issuing
- Webhooks and ledger data
Only in Treasury Prime
- BankOS
- OneKey Banking
- Deposit accounts
- Payments
- Card issuing
- Bank oversight tooling
- Ledger and reconciliation
- Programme onboarding
What people use each for
The jobs each tool is most often brought in to do.
Marqeta
- A delivery marketplace funding courier cards only at the moment a courier pays for the ordernot Treasury Prime
- An expense platform issuing a virtual card per subscription with merchant locksnot Treasury Prime
- A lender issuing a card that draws on an approved credit line rather than a stored balancenot Treasury Prime
- A fintech wanting the same issuing stack across US and European programmesnot Treasury Prime
Treasury Prime
- A community or regional bank that wants to run an embedded finance line with examiner-acceptable oversight of its fintech programmesnot Marqeta
- A fintech that has already chosen its sponsor bank and needs API access to that bank rather than to a middleware layernot Marqeta
- A company that wants deposits spread across several banks for FDIC coverage beyond a single institution limitnot Marqeta
- A bank replacing a fragile middleware arrangement with a structure where it holds the customer contract and the oversight obligationnot Marqeta
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Marqeta
- You still need a sponsor bank and a BIN, so the timeline and compliance burden of launching are set by a bank you must separately court and satisfy.
- Pricing carries minimum monthly platform commitments, so a programme with modest card volume pays for capacity it never uses.
- Programme revenue depends heavily on interchange, which means regulated debit interchange caps and European interchange caps materially change the business case by market.
- Disputes, chargebacks and fraud losses sit with the programme, and teams that assumed the processor absorbed them discover a real operations headcount requirement.
- Just-in-time funding makes your own authorisation endpoint a hard availability dependency; if it is slow or down, cards decline at the point of sale.
Treasury Prime
- A fintech cannot buy Treasury Prime directly since the 2024 pivot, so the sales process starts with finding a sponsor bank willing to take your programme, which adds months and removes most of your negotiating leverage on fees.
- Commercial terms including minimum deposit balances, reserve requirements and per transaction pricing are set by the bank rather than the platform, so two fintechs on the same software can face materially different economics with no public benchmark.
- The company cut roughly half its staff in the 2024 pivot, which reduced the teams that supported fintech customers directly and left fintechs relying on their bank for support rather than on the vendor who wrote the software.
- Bank risk appetite is now the binding constraint, and after the Synapse failure sponsor banks decline programmes in higher risk categories that a middleware provider would once have onboarded, so some business models simply cannot get placed.
- If your sponsor bank exits the programme or is told by its regulator to reduce fintech exposure, you are migrating your entire deposit base to another institution, and the software being the same at both ends does not make that a small project.
Pricing, plan by plan
Marqeta
On request- Marqeta card issuing$undefined/year
- Minimum monthly platform fee plus per-transaction and per-active-card charges
- Interchange share negotiated between programme, processor and sponsor bank
- Sponsor bank required, with its own fees and approval process
Treasury Prime
On request- BankOS$undefined/year
- Sold to sponsor banks, not directly to fintechs
- Fintech commercial terms are set by the sponsor bank
- Minimum deposits, reserves and per transaction fees vary by bank
Which should you pick?
Choose Marqeta if
- You need just-in-time funding.
- You work on Web, REST API.
- You also want virtual and physical issuing.
Choose Treasury Prime if
- You need bankos.
- You work on API, Web.
- You also want onekey banking.
Questions people ask
- Is Marqeta or Treasury Prime better?
- Neither clearly leads. Marqeta starts at On request and Treasury Prime at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Marqeta or Treasury Prime?
- Marqeta starts at On request and Treasury Prime at On request.
- Does Marqeta or Treasury Prime run on more platforms?
- Marqeta runs on Web, REST API. Treasury Prime runs on API, Web.
- What is Marqeta best used for?
- Marqeta is most often used for a delivery marketplace funding courier cards only at the moment a courier pays for the order, an expense platform issuing a virtual card per subscription with merchant locks, a lender issuing a card that draws on an approved credit line rather than a stored balance, a fintech wanting the same issuing stack across us and european programmes. Of those, a delivery marketplace funding courier cards only at the moment a courier pays for the order and an expense platform issuing a virtual card per subscription with merchant locks are not what Treasury Prime is typically brought in for.
- What can Marqeta do that Treasury Prime cannot?
- Marqeta covers Just-in-time funding, Virtual and physical issuing, Spend controls, Programme management tools. Treasury Prime covers BankOS, OneKey Banking, Deposit accounts, Payments.
Answered from the vendors’ own pages
Marqeta: Do I need a sponsor bank?
Yes. Marqeta is an issuer processor, not a bank. Card programmes run on a sponsor bank BIN, and that bank approves and supervises your programme.
Treasury Prime: Can a fintech buy Treasury Prime directly?
No. Since the 2024 pivot it sells to banks. A fintech contracts with a sponsor bank running BankOS, and the bank sets the terms.
Marqeta: How does the pricing really work?
A minimum monthly platform fee plus per-transaction and per-active-card charges, offset by a negotiated share of interchange. The interchange split is the substance of the deal.
Treasury Prime: Why did it change model?
Regulatory pressure on the tri-party middleware structure, sharpened by the Synapse failure. Examiners want the bank holding the customer contract and the oversight obligation, which is what bank-direct means.
Marqeta: What is just-in-time funding?
Marqeta calls your endpoint at authorisation so you decide and fund each transaction, rather than pre-loading balances onto cards.
Treasury Prime: What is OneKey Banking?
A way of spreading deposits across several banks in the network, used for FDIC coverage above a single institution limit and for resilience if one bank exits.
Treasury Prime: Is pricing published?
No, at neither the bank nor the fintech level. Fintech economics are set by the sponsor bank, so expect wide variation.
Related pages
More on Treasury Prime
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