Aiia

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

As of 1 September 2026, Aiia's pricing is not published; the vendor quotes on request. A Nordic and European open banking connectivity platform that Mastercard acquired in 2021 and has since folded into its own branded Open Finance and Open Banking product line. Softwr lists it under APIs. Aiia is made by Mastercard, available on Web, API.

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Overview

What Aiia does

Aiia provides API access to bank account data and payment initiation across roughly 3,000 European banks, used by businesses building lending, personal finance, accounting and payment products that need to read or move money in customers' bank accounts under open banking regulation. The fact that changes the buying decision is ownership: Mastercard acquired Aiia in 2021 and completed the integration, and the product now operates under the umbrella of Mastercard Open Finance Solutions, referenced in Mastercard's own developer documentation as "Aiia Enterprise." The brand has not disappeared, but the company behind it, its roadmap priorities, its pricing leverage and its long-term product direction are now Mastercard's, not an independent Nordic fintech's. Buyers are businesses across Northern Europe and beyond needing bank connectivity for account data or payment initiation, and for many, Mastercard ownership is a positive signal of stability and continued investment. The trade-off is that any European fintech previously choosing Aiia specifically to avoid depending on a card network for banking infrastructure no longer has that separation, since Aiia is now inside Mastercard's own open finance business.

What people use it 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

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about 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.

Cross-shopped

What people choose instead of Aiia

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

Aiiavs
Yapily
Yapily: If you want an independent open banking provider rather than one owned by a card network
Aiiavs
Trustly
Trustly: If you need a pay-by-bank payments provider rather than broader account data access

Pricing

What Aiia costs

Taken from the vendor's own pricing page. Prices move, so check before you buy.

Aiia Enterprise (Mastercard Open Banking)

On request

Pricing not published, quote via Mastercard Open Finance sales

Capabilities

Features

Bank account data access
Read access to balances and transaction history across roughly 3,000 European banks
Payment initiation
Direct account-to-account payment initiation under open banking regulation
Mastercard Open Finance integration
Aiia Enterprise operates as part of Mastercard's broader open finance product line
Modern authentication support
OAuth 2.0 with FAPI 2.0 and production mTLS certificate support
Multi-country coverage
Connectivity concentrated in Northern Europe with wider European reach
Developer documentation and sandbox
Testing environment through the Mastercard Developers portal

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

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.

Does the Aiia brand still exist?

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

Which banks does it cover?

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

Keep looking

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Softwr does not host reviews and shows no star rating for Aiia, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

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