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← Embedded Finance Index 2026/Vendor

Aiia

Provider
Open Banking

Embedded-finance provider tracked in the Embedded Finance Index — disclosed by 2 companies across 1 category.

aiia.com ↗Also analysed as a company — its own stack →
CategoriesOpen Banking
Rank#40 of 89 in Open Banking
Buyers2 companies
HeadquartersCopenhagen, Denmark

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Founders & story · from Aiia’s own dossier

Originally launched as Nordic API Gateway, Aiia built one of the leading open banking aggregation platforms in the Nordics, offering both account information services (AIS) and payment initiation services (PIS) under PSD2. The company rebranded to Aiia in 2021 and was subsequently acquired by Mastercard, becoming the backbone of Mastercard's European open banking platform. Post-acquisition, Aiia expanded its value proposition beyond Nordic bank connectivity to serve as a white-label open banking infrastructure provider for fintechs, payment companies, and merchants seeking seamless bank data and payment rails across Europe.

Full dossier: Aiia’s own stack, layer by layer →
Who uses Aiia
2 companies disclose Aiia in their stack
Download “Built on Aiia” image ↓
BillyZenegy
Buyer mix · 2 of 2 classified
Horizontal SaaS / Accounting · 1Horizontal SaaS / HR & Payroll · 1
EU · 2
What the disclosures say
Billy
“Billy's bank-integration support article explicitly routes users through 'AIIA' (Aiia, the Nordic open-banking aggregator, now part of Mastercard) to connect their bank account and pull transactions for reconciliation.”
Zenegy
“Its 'bank integration' feature (via Aiia) is read-only account information for reconciliation, not a BaaS account.”
The complete buyer list is not published on this page. Get the monthly recap for new Aiia customers as they are disclosed. Represent Aiia? Claim this profile above to unlock your own full list.
Where Aiia’s buyers are
1 country with a disclosed buyer HQ
2 classified buyers, shaded by concentration — heaviest in 🇩🇰 Denmark (2). HQ country, not where Aiia operates.
Fewer
MoreNo disclosed HQ
New Aiia customers land in the monthly recap.
Alternatives to Aiia

Other Open Banking providers in the index, by the number of companies that disclose them. A count of public disclosures, not a ranking of the products.

Plaid299 buyers →Salt Edge60 buyers →GoCardless57 buyers →MX56 buyers →TrueLayer43 buyers →Tink41 buyers →Yapily40 buyers →Powens19 buyers →
Share this rank

An embeddable badge for Aiia’s own site — it always shows this page’s current rank, so it stays accurate as new disclosures land. States its own denominator; never claims a number this page doesn’t.

Ranked #40 of 89 in Open Banking — Embedded Finance Index 2026
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<a href="https://www.embeddedfinanceindex.com/vendors/aiia?ref=badge">
  <img src="https://www.embeddedfinanceindex.com/api/badge/aiia.svg"
       alt="Ranked #40 of 89 in Open Banking — Embedded Finance Index 2026">
</a>
<img src="https://www.embeddedfinanceindex.com/api/badge/aiia/install" width="1" height="1" alt="" style="display:none">

Aiia — frequently asked

Which companies use Aiia?

2 companies are linked to Aiia in the Embedded Finance Index 2026, through their own public disclosures or Aiia's published customer list, including Billy and Zenegy.

What does Aiia do?

Aiia is an embedded-finance provider in Open Banking. It ranks #40 of 89 Open Banking providers by linked companies.

What are the alternatives to Aiia?

The most-named Open Banking alternatives to Aiia are Plaid (299 buyers), Salt Edge (60 buyers), GoCardless (57 buyers), MX (56 buyers), TrueLayer (43 buyers) and Tink (41 buyers).

Where is Aiia headquartered?

Aiia is headquartered in Copenhagen, Denmark.

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