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APIs · head to head

Codat vs Temenos Transact

Codat logo

Codat

APIs

One API for small business accounting, banking and commerce data

From
On request
Rated
-
Full reviewWebsite
Temenos Transact logo

Temenos Transact

APIs

Established core banking system used by banks in over a hundred countries

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Codat the accounting platforms are metering developer access themselves, with Xero introducing tiered connection based developer pricing from 2 March 2026, so a cost you do not control has been inserted between you and the data and it scales with the number of customers you connect.; Temenos Transact the codebase originates in the 1990s, so banks on older releases face major upgrade programmes to reach current versions, and many defer them for years.
  • They diverge on capability: Codat covers Normalised accounting API, Temenos Transact covers Country model banks.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Codat and Temenos Transact actually diverge.

Attributes where Codat and Temenos Transact differ
AttributeCodatTemenos Transact
PlatformsAPI, WebWeb, Linux, Windows, 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 Codat

  • Normalised accounting API
  • Banking and commerce data
  • Lending products
  • Write-back
  • Business verification
  • Supplier onboarding
  • Connection management
  • Data quality handling

Only in Temenos Transact

  • Country model banks
  • Multi-product core
  • Payments processing
  • API layer
  • Cloud deployment
  • Accounting engine

What people use each for

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

Codat

  • A business lender that wants live ledger data for underwriting rather than a borrower emailing exported PDF accountsnot Temenos Transact
  • A commercial bank monitoring covenant compliance across a portfolio of small business borrowers continuously rather than quarterlynot Temenos Transact
  • A payment company verifying a merchant trading history before extending working capitalnot Temenos Transact
  • A B2B platform writing bills and payments back into a customer accounting system so reconciliation happens automaticallynot Temenos Transact

Temenos Transact

  • A bank in an emerging market needing local regulatory compliance without building it from scratchnot Codat
  • An institution running Islamic banking products alongside conventional ones on one corenot Codat
  • A bank that needs a large pool of experienced implementation consultants to de-risk a migrationnot Codat
  • A group standardising subsidiaries in several countries onto one core banking systemnot Codat

Where each one falls short

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

Codat

  • The accounting platforms are metering developer access themselves, with Xero introducing tiered connection based developer pricing from 2 March 2026, so a cost you do not control has been inserted between you and the data and it scales with the number of customers you connect.
  • Pricing is opaque and enterprise shaped for a product developers expect to evaluate technically first, so build decisions get made before anyone knows the unit economics.
  • Normalisation hides but does not remove the underlying differences between accounting systems, and edge cases in multi-currency, journals and tax handling surface as data quality problems that your team must reason about in each source system anyway.
  • Data quality depends on the small business keeping its books properly, so a lender using ledger data for underwriting inherits the bookkeeping standard of its worst borrower and needs its own validation layer regardless.
  • Connection breakage from expired tokens and platform API changes is an ongoing operational load, and a borrower whose connection lapses stops being monitored silently, which is the failure mode that matters most in a lending portfolio.

Temenos Transact

  • The codebase originates in the 1990s, so banks on older releases face major upgrade programmes to reach current versions, and many defer them for years.
  • Total cost is dominated by implementation partner fees rather than licence, and those programmes routinely overrun their original estimates.
  • Product changes that cloud-native cores treat as configuration can require development work and a release cycle, which slows time to market for new products.
  • Heavy customisation is common and it makes every subsequent upgrade harder, creating a compounding cost that banks feel a decade after go-live.
  • Temenos has repeatedly restructured its product line and naming, so buyers must check carefully which components a proposal actually includes and which are separately licensed.

Pricing, plan by plan

Codat

On request
  • Codat Platform$undefined/year
    • Priced by connected companies, data types and products
    • Lending and verification products priced above core data access
    • Annual enterprise agreements

Temenos Transact

On request
  • Temenos Transact$undefined/year
    • Perpetual or subscription licence scaled by assets, accounts or users
    • Annual maintenance typically a percentage of licence value
    • Implementation delivered by partners and charged separately

Which should you pick?

Choose Codat if

  • You need normalised accounting api.
  • You work on API, Web.
  • You also want banking and commerce data.
Codat review

Choose Temenos Transact if

  • You need country model banks.
  • You work on Web, Linux, Windows, REST API.
  • You also want multi-product core.
Temenos Transact review

Questions people ask

Is Codat or Temenos Transact better?
Neither clearly leads. Codat starts at On request and Temenos Transact at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Codat or Temenos Transact?
Codat starts at On request and Temenos Transact at On request.
Does Codat or Temenos Transact run on more platforms?
Codat runs on API, Web. Temenos Transact runs on Web, Linux, Windows, REST API.
What is Codat best used for?
Codat is most often used for a business lender that wants live ledger data for underwriting rather than a borrower emailing exported pdf accounts, a commercial bank monitoring covenant compliance across a portfolio of small business borrowers continuously rather than quarterly, a payment company verifying a merchant trading history before extending working capital, a b2b platform writing bills and payments back into a customer accounting system so reconciliation happens automatically. Of those, a business lender that wants live ledger data for underwriting rather than a borrower emailing exported pdf accounts and a commercial bank monitoring covenant compliance across a portfolio of small business borrowers continuously rather than quarterly are not what Temenos Transact is typically brought in for.
What can Codat do that Temenos Transact cannot?
Codat covers Normalised accounting API, Banking and commerce data, Lending products, Write-back. Temenos Transact covers Country model banks, Multi-product core, Payments processing, API layer.

Answered from the vendors’ own pages

Codat: What is changing with Xero in 2026?

Xero is introducing a tiered, usage based developer pricing model effective 2 March 2026, with tiers based on the number of customer connections an app holds. That is a new cost in the chain for anyone reading Xero data at scale, whether directly or through Codat.

Temenos Transact: Is Transact the same as T24?

Yes. T24 was renamed Temenos Transact; older installations and much of the consultant population still use the T24 name.

Codat: Can Codat write data back?

Yes. It supports pushing bills, payments and journal entries into accounting systems, not only reading from them.

Temenos Transact: Can it run in the cloud?

Yes, it is offered on public cloud, though many existing installations remain on-premises and moving them is a project.

Codat: Is pricing published?

No. It is quoted by connected companies, data types and products, and users consistently describe it as opaque.

Temenos Transact: What drives the cost?

Licence scaled by size, annual maintenance as a percentage of licence, and implementation partner fees that usually exceed the software cost.

Codat: Does it replace bank data aggregation?

Not entirely. It covers banking alongside accounting and commerce, but lenders commonly run it beside a bank aggregator for transaction level cash flow.

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