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APIs · head to head

Ozone API vs WSO2 API Manager

Ozone API logo

Ozone API

APIs

Standards-compliant open banking API layer for banks and regulators

From
On request
Rated
-
Full reviewWebsite
WSO2 API Manager logo

WSO2 API Manager

APIs

Complete API management platform for designing and managing APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only WSO2 API Manager has a free tier, so it costs nothing to try first.
  • Each has a real cost: Ozone API it provides the API layer, not the core connectivity, so the bulk of the project is still integrating your own core banking systems and that cost is not in the licence.; WSO2 API Manager the free open source distribution does not include a subscription to the WSO2 Update service, so continuous improvements and security patches require a paid subscription
  • They diverge on capability: Ozone API covers Multi-standard support, WSO2 API Manager covers API Gateway.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Ozone API and WSO2 API Manager actually diverge.

Attributes where Ozone API and WSO2 API Manager differ
AttributeOzone APIWSO2 API Manager
Starting priceOn requestFree
Pricing modelquoteopen-source
Free tierNoYes
PlatformsWeb, REST API, LinuxJava, Linux, Docker, Kubernetes
FoundedUnknown2005

Identical on both: 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 Ozone API

  • Multi-standard support
  • Consent management
  • Developer portal
  • Regulatory reporting
  • Premium API monetisation
  • Deployment flexibility

Only in WSO2 API Manager

  • API Gateway
  • API Designer
  • Developer Portal
  • LDAP
  • Okta
  • Keycloak
  • Microservices
  • Java support

What people use each for

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

Ozone API

  • A building society facing an open banking compliance deadline with no API team of its ownnot WSO2 API Manager
  • A bank operating in several jurisdictions that must satisfy different open banking standards at oncenot WSO2 API Manager
  • A regulator or standards body building national open finance infrastructurenot WSO2 API Manager
  • A bank wanting to sell premium APIs beyond the regulatory minimum without building entitlement plumbingnot WSO2 API Manager

WSO2 API Manager

  • Publishing, securing and rate limiting APIs behind a gatewaynot Ozone API
  • Running an API developer portal with subscription key managementnot Ozone API
  • Self hosting an open source API management layer on premisesnot Ozone API

Where each one falls short

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

Ozone API

  • It provides the API layer, not the core connectivity, so the bulk of the project is still integrating your own core banking systems and that cost is not in the licence.
  • Value is driven by regulatory obligation, so an institution not under a mandate struggles to build a business case for the spend.
  • It is a small UK vendor selling to large regulated institutions, which raises procurement and vendor viability questions during bank due diligence.
  • Premium API monetisation is a genuine capability but few banks have found real demand, so revenue projections used to justify the purchase often do not materialise.
  • Standards evolve continuously and each revision means a change programme in your own systems, even where Ozone absorbs the specification work at the API edge.

WSO2 API Manager

  • The free open source distribution does not include a subscription to the WSO2 Update service, so continuous improvements and security patches require a paid subscription
  • A commercial production licence is not part of the free download and comes only with a subscription
  • No subscription price is published; Basic Support and Enterprise Support both require contacting sales for a quote
  • 24x7x365 coverage requires Enterprise Support; the general query SLA is one business day
  • A Customer Success Manager is a paid optional add on covering business hours only
  • Consulting services and WSO2 Private Cloud hosting are quoted separately

Pricing, plan by plan

Ozone API

On request
  • Ozone API$undefined/year
    • Annual licence or managed service subscription, quoted
    • Scaling by institution size, standards in scope and API call volume
    • Implementation and core integration charged separately

WSO2 API Manager

Free
  • CommunityFree
    • Core API management
    • Community support
  • Commercial$undefined/monthly
    • Enterprise features
    • Technical support
    • SLA

Which should you pick?

Choose Ozone API if

  • You need multi-standard support.
  • You work on Web, REST API, Linux.
  • You also want consent management.
Ozone API review

Choose WSO2 API Manager if

  • You need api gateway.
  • You want to start without paying.
  • You work on Java, Linux, Docker, Kubernetes.
  • You also want api designer.
WSO2 API Manager review

Questions people ask

Is Ozone API or WSO2 API Manager better?
Neither clearly leads. Ozone API starts at On request and WSO2 API Manager at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ozone API or WSO2 API Manager?
WSO2 API Manager has a free tier; the other does not. Paid plans start at On request for Ozone API and Free for WSO2 API Manager.
Does Ozone API or WSO2 API Manager run on more platforms?
Ozone API runs on Web, REST API, Linux. WSO2 API Manager runs on Java, Linux, Docker, Kubernetes.
Can I use WSO2 API Manager for free?
Yes. WSO2 API Manager has a free tier, so you can try it without paying. Ozone API starts at On request.
What is Ozone API best used for?
Ozone API is most often used for a building society facing an open banking compliance deadline with no api team of its own, a bank operating in several jurisdictions that must satisfy different open banking standards at once, a regulator or standards body building national open finance infrastructure, a bank wanting to sell premium apis beyond the regulatory minimum without building entitlement plumbing. Of those, a building society facing an open banking compliance deadline with no api team of its own and a bank operating in several jurisdictions that must satisfy different open banking standards at once are not what WSO2 API Manager is typically brought in for.
What can Ozone API do that WSO2 API Manager cannot?
Ozone API covers Multi-standard support, Consent management, Developer portal, Regulatory reporting. WSO2 API Manager covers API Gateway, API Designer, Developer Portal, LDAP.

Answered from the vendors’ own pages

Ozone API: Is this a competitor to Plaid or TrueLayer?

No, the opposite side. Ozone is bought by the bank exposing data; Plaid and TrueLayer consume it on behalf of third parties.

WSO2 API Manager: How is WSO2 API Manager priced?

WSO2 API Manager pricing is not published on their website. As an enterprise API management platform, pricing is custom-quoted based on deployment model and organizational requirements.

Source
Ozone API: Does it connect to my core banking system?

It provides the standards-compliant API surface and adapters, but connecting your core is an integration project you scope separately.

WSO2 API Manager: Does WSO2 API Manager offer different pricing for on-premises versus cloud deployments?

WSO2 API Manager supports multiple deployment options including on-premises and cloud, but pricing structures for different deployment models are not publicly disclosed.

Source
Ozone API: Which standards does it support?

UK Open Banking, Berlin Group, FDX, Consumer Data Right and Gulf regional standards, among others, from one platform.

WSO2 API Manager: What deployment flexibility does WSO2 API Manager provide?

WSO2 API Manager enables flexible deployment on-premises or in cloud environments, but specific pricing tiers for each deployment model require contacting WSO2 sales.

Source
WSO2 API Manager: How would I request a WSO2 API Manager pricing quote?

Organizations can request pricing quotes by contacting WSO2 sales through their website. Custom quotes depend on API volume, deployment model, and feature requirements.

Source
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