Softwr

APIs · head to head

Aiia vs Moesif

Aiia logo

Aiia

APIs

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

From
On request
Rated
-
Full reviewWebsite
Moesif logo

Moesif

APIs

API analytics and monitoring platform for tracking API usage and customers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Moesif has a free tier, so it costs nothing to try first.
  • 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.; Moesif free tier is aimed at hobbyists and small projects, limiting scale before paid usage-based pricing applies.
  • They diverge on capability: Aiia covers Bank account data access, Moesif covers API traffic monitoring.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Aiia and Moesif actually diverge.

Attributes where Aiia and Moesif differ
AttributeAiiaMoesif
Starting priceOn requestFree
Pricing modelquoteusage-based
Free tierNoYes

Identical on both: 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 Moesif

  • API traffic monitoring
  • Customer-level analytics
  • Error tracking
  • Usage-based billing support
  • Alerting
  • SDK and integration library

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

Moesif

  • Monitoring API traffic and errors in productionnot Aiia
  • Understanding customer-level API usage patternsnot Aiia
  • Powering usage-based billing and monetizationnot Aiia
  • Alerting on anomalous API behaviornot 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.

Moesif

  • Free tier is aimed at hobbyists and small projects, limiting scale before paid usage-based pricing applies.
  • Usage-based pricing on the Growth tier can make costs less predictable at high event volumes.
  • Requires instrumenting APIs with SDKs, adding setup overhead compared to zero-config tools.
  • Focused specifically on API analytics rather than full API gateway or design functionality.

Pricing, plan by plan

Aiia

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

Moesif

Free
  • FreeFree
    • For hobbyists and small projects
    • Core API analytics features
  • Growth$undefined/month
    • Usage-based pricing by event volume
    • Full analytics and monitoring feature set

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 Moesif if

  • You need api traffic monitoring.
  • You want to start without paying.
  • You work on web, api.
  • You also want customer-level analytics.
Moesif review

Questions people ask

Is Aiia or Moesif better?
Neither clearly leads. Aiia starts at On request and Moesif at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Aiia or Moesif?
Moesif has a free tier; the other does not. Paid plans start at On request for Aiia and Free for Moesif.
Does Aiia or Moesif run on more platforms?
Aiia runs on Web, API. Moesif runs on web, api.
Can I use Moesif for free?
Yes. Moesif has a free tier, so you can try it without paying. Aiia starts at On request.
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 Moesif is typically brought in for.
What can Aiia do that Moesif cannot?
Aiia covers Bank account data access, Payment initiation, Mastercard Open Finance integration, Modern authentication support. Moesif covers API traffic monitoring, Customer-level analytics, Error tracking, Usage-based billing support.

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.

Moesif: Is there a free plan for Moesif?

Moesif offers a free tier aimed at hobbyists and small projects; after a 14-day trial with full Growth-tier features and 10,000,000 events, accounts move to the free plan.

Source
Aiia: Does the Aiia brand still exist?

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

Moesif: How is usage metered?

Moesif's Growth tier is priced based on the volume of API events processed, supporting usage-based billing use cases for API providers.

Source
Aiia: Which banks does it cover?

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

Moesif: Can I try Moesif's paid features first?

New accounts get a 14-day trial with full access to Growth-plan features and a large event allowance before being converted to the free plan if not upgraded.

Source
Share

Related pages

More on Aiia

More on Moesif

Keep looking

Other head to heads