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APIs · head to head

Aiia vs Marqeta

Aiia logo

Aiia

APIs

Open banking and open finance API platform, now operating as Mastercard Open Banking

From
On request
Rated
-
Full reviewWebsite
Marqeta logo

Marqeta

APIs

Card issuing and transaction processing APIs with just-in-time funding

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Aiia it is now part of Mastercard rather than an independent company, so a business specifically wanting to avoid card network dependency in its banking infrastructure no longer gets that separation by choosing Aiia.; 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.
  • They diverge on capability: Aiia covers Bank account data access, Marqeta covers Just-in-time funding.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Aiia and Marqeta actually diverge.

Attributes where Aiia and Marqeta differ
AttributeAiiaMarqeta
PlatformsWeb, APIWeb, REST API

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 Aiia

  • Bank account data access
  • Payment initiation
  • Mastercard Open Finance integration
  • Modern authentication support
  • Multi-country coverage
  • Developer documentation and sandbox

Only in Marqeta

  • Just-in-time funding
  • Virtual and physical issuing
  • Spend controls
  • Programme management tools
  • Multi-region issuing
  • Webhooks and ledger data

What people use each for

The jobs each tool is most often brought in to do.

Aiia

  • A lending or credit product needing affordability checks via European bank account datanot Marqeta
  • A personal finance or accounting product needing transaction history across Nordic and European banksnot Marqeta
  • A payments product wanting account-to-account payment initiation under open banking regulationnot Marqeta
  • A business wanting the stability and continued investment of Mastercard ownership behind its banking connectivity providernot Marqeta

Marqeta

  • A delivery marketplace funding courier cards only at the moment a courier pays for the ordernot Aiia
  • An expense platform issuing a virtual card per subscription with merchant locksnot Aiia
  • A lender issuing a card that draws on an approved credit line rather than a stored balancenot Aiia
  • A fintech wanting the same issuing stack across US and European programmesnot Aiia

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Aiia

  • It is now part of Mastercard rather than an independent company, so a business specifically wanting to avoid card network dependency in its banking infrastructure no longer gets that separation by choosing Aiia.
  • Pricing is not published and requires engaging Mastercard's open finance sales process, which can be a heavier sales motion than dealing with a smaller independent open banking provider.
  • Its strongest bank coverage remains concentrated in the Nordics and Northern Europe, so companies needing dense coverage in Southern or Eastern Europe should verify current bank connectivity before committing.
  • Brand confusion is real: developer documentation, login portals and older case studies still reference "Aiia" while newer Mastercard material refers to "Mastercard Open Banking," and a company researching either name in isolation may miss half the relevant material.
  • As with any open banking platform, reliability still depends on the consistency of the underlying banks' own APIs, which is a systemic industry issue rather than something Aiia specifically controls.

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.

Pricing, plan by plan

Aiia

On request
  • Aiia Enterprise (Mastercard Open Banking)$undefined/year
    • Pricing not published, quote via Mastercard Open Finance sales

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

Which should you pick?

Choose Aiia if

  • You need bank account data access.
  • You work on Web, API.
  • You also want payment initiation.
Aiia review

Choose Marqeta if

  • You need just-in-time funding.
  • You work on Web, REST API.
  • You also want virtual and physical issuing.
Marqeta review

Questions people ask

Is Aiia or Marqeta better?
Neither clearly leads. Aiia starts at On request and Marqeta at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Aiia or Marqeta?
Aiia starts at On request and Marqeta at On request.
Does Aiia or Marqeta run on more platforms?
Aiia runs on Web, API. Marqeta runs on Web, REST API.
What is Aiia best used for?
Aiia is most often used for a lending or credit product needing affordability checks via european bank account data, a personal finance or accounting product needing transaction history across nordic and european banks, a payments product wanting account-to-account payment initiation under open banking regulation, a business wanting the stability and continued investment of mastercard ownership behind its banking connectivity provider. Of those, a lending or credit product needing affordability checks via european bank account data and a personal finance or accounting product needing transaction history across nordic and european banks are not what Marqeta is typically brought in for.
What can Aiia do that Marqeta cannot?
Aiia covers Bank account data access, Payment initiation, Mastercard Open Finance integration, Modern authentication support. Marqeta covers Just-in-time funding, Virtual and physical issuing, Spend controls, Programme management tools.

Answered from the vendors’ own pages

Aiia: Is Aiia still an independent company?

No, it was acquired by Mastercard in 2021 and now operates as part of Mastercard Open Finance Solutions, referenced as Aiia Enterprise.

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.

Aiia: Does the Aiia brand still exist?

Yes, in developer documentation and login portals, but the company behind it is Mastercard.

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.

Aiia: Which banks does it cover?

Around 3,000 European banks, with strongest coverage in the Nordics and Northern Europe.

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.

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