Kong is a great gateway. WSO2 is a great platform.
Kong runs an excellent open-source API gateway. WSO2 runs a full integration platform: gateway, lifecycle, identity, monetization and integrator in one stack. For most enterprise modernisation engagements, that breadth wins.
- Kong is a focused, plugin-extensible API gateway with strong open-source roots and a paid Enterprise / Konnect SaaS tier.
- WSO2 4.7 is a full open-source integration platform: gateway, lifecycle, identity (Identity Server), monetization and the WSO2 Integrator.
- If you only need a gateway and have everything else covered, Kong is a credible choice. If you are standardising on one platform, WSO2 wins.
The shape of the comparison.
Scored honestly across six dimensions on a zero to five scale. WSO2 is not a perfect five everywhere, and the competitor is not always low. The shape tells the real story.
Native scope coverage
What is included in the platform without a separate procurement, plugin or external service.
The axes that actually matter
No feature checklist theatre. The dimensions below are the ones that change the answer when we evaluate platforms with customers.
| Axis | WSO2 | Kong Gateway |
|---|---|---|
| Scope | Full lifecycle: gateway, design, publish, subscribe, monetize, integrator | Gateway-focused, plugin-extensible |
| Open source | Apache 2.0, full platform open | Open-source core; Enterprise and Konnect SaaS tiers paid |
| Identity | WSO2 Identity Server included | Plugin or external IDP (Keycloak, Auth0) |
| Monetization | Native subscriptions and billing | Plugin-based, often integrated externally |
| Integration platform | WSO2 Integrator (mediation, orchestration) | Not in scope |
| Agentic AI | Native agentic capability and MCP server pattern | Plugin ecosystem (LLM proxy, AI gateway) |
| Deployment | On-prem, any cloud, hybrid | On-prem, any cloud, hybrid |
What each platform does best.
Kong Gateway (Kong Inc.)
Mature plugin ecosystem
Kong Hub has a deep catalogue of community and commercial plugins, especially for service mesh and observability.
Lightweight footprint
Easy to adopt incrementally. Drop in front of one service, expand from there.
Service mesh story
Kong Mesh is a coherent option for teams already standardising on Kong.
Excellent gateway DX
If your team's job is to operate a high-throughput gateway, Kong's tooling is genuinely good.
WSO2 (open-source, with commercial support)
Single platform
Gateway, identity, integration and monetization in one stack means fewer moving parts and a tighter security boundary.
Native monetization
API products with subscriptions and billing without bolting on Stripe and a custom plan service.
Identity included
WSO2 Identity Server is part of the platform, not a separate procurement.
Lower TCO at enterprise scale
When the alternative is gateway plus IDP plus iPaaS plus billing, the platform tax is lower.
- You only need a gateway and the rest of your stack is in place.
- You need extensive Lua or WASM plugin customisation.
- You're standardising on Kong Mesh for service mesh.
- Your team has the appetite to assemble identity, monetization and integration from other tools.
- You're building API products and monetization matters.
- You want gateway, identity and integration from one vendor.
- You're modernising a hybrid estate and need an MCP layer over legacy systems.
- You want to stay on fully open-source software with predictable commercial support.
What we actually tell customers.
For Australian enterprises modernising a .NET or hybrid estate where API monetization, identity and integration all matter, WSO2 4.7 is the clearer choice. If you have a mature platform team that wants only a high-performance gateway and is happy assembling the rest from other tools, Kong is genuinely good. We have shipped both.
See how WSO2 compares to the rest of the field.
WSO2 vs Apigee
Honest callHonest call: depends on your cloud strategy
Read comparisonWSO2 vs MuleSoft Anypoint
WSO2 winsWSO2 wins on cost, openness and breadth
Read comparisonWSO2 vs Apache APISIX
Honest callBoth solid. We use both. WSO2 wins on monetization.
Read comparisonWSO2 vs AWS API Gateway
ComplementaryComplementary. We use both.
Read comparisonWSO2 vs Azure API Management
ComplementaryComplementary. We use both.
Read comparison
Tell us your situation. We will tell you what fits.
We have shipped on every platform on this page. If we think the answer for you is something other than WSO2, we will say so.