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APIs · head to head

Aiia vs Treblle

Aiia logo

Aiia

APIs

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

From
On request
Rated
-
Full reviewWebsite
Treblle logo

Treblle

APIs

API observability, security, and governance platform

From
$233/month
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.; Treblle no free tier is offered; the entry-level Core plan starts at $233/month billed yearly.
  • They diverge on capability: Aiia covers Bank account data access, Treblle covers API discovery.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Aiia and Treblle actually diverge.

Attributes where Aiia and Treblle differ
AttributeAiiaTreblle
Starting priceOn request$233/month
Pricing modelquotesubscription

Identical on both: free tier (No), platforms (Web, API), 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 Treblle

  • API discovery
  • Runtime security
  • API governance
  • Compliance monitoring
  • API documentation and analytics
  • Agentic AI support

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

Treblle

  • Gaining full visibility into API traffic across multi-cloud environmentsnot Aiia
  • Detecting shadow APIs and runtime security risksnot Aiia
  • Meeting compliance audit requirements such as HIPAA or GDPRnot Aiia
  • Governing API design standards through CI/CDnot 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.

Treblle

  • No free tier is offered; the entry-level Core plan starts at $233/month billed yearly.
  • Growth and Enterprise pricing is custom and not published, requiring a sales conversation to budget.
  • Core plan is limited to 1 workspace and only 30 days of data retention.
  • SSO and on-prem/BYO cloud deployment are reserved for the top Enterprise tier.

Pricing, plan by plan

Aiia

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

Treblle

$233/month
  • Core$233/month
    • Billed yearly
    • 5 APIs
    • 500 requests/min
  • Growth$undefined/month
    • Custom APIs and request limits
    • 50M requests/month baseline
    • API security
  • Enterprise$undefined/month
    • Unlimited workspaces, APIs, and requests/min
    • API governance and compliance
    • SSO

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 Treblle if

  • You need api discovery.
  • You work on web, api.
  • You also want runtime security.
Treblle review

Questions people ask

Is Aiia or Treblle better?
Neither clearly leads. Aiia starts at On request and Treblle at $233/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Aiia or Treblle?
Aiia starts at On request and Treblle at $233/month.
Does Aiia or Treblle run on more platforms?
Aiia runs on Web, API. Treblle runs on web, 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 Treblle is typically brought in for.
What can Aiia do that Treblle cannot?
Aiia covers Bank account data access, Payment initiation, Mastercard Open Finance integration, Modern authentication support. Treblle covers API discovery, Runtime security, API governance, Compliance monitoring.

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.

Treblle: What does Treblle cost?

Treblle's Core plan costs $233/month billed yearly and covers 5 APIs and 5M requests/month; Growth and Enterprise plans use custom pricing for larger request volumes and advanced features.

Source
Aiia: Does the Aiia brand still exist?

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

Treblle: Is there a free plan?

Treblle does not offer a free tier; it instead offers a no-credit-card demo rather than free ongoing access.

Source
Aiia: Which banks does it cover?

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

Treblle: How is usage metered?

Plans are metered by number of APIs monitored and requests per minute/month, with the Core plan capped at 500 requests/min and 5M requests/month.

Source
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