WSO2 API Manager
Open-source API management platform for enterprises
- Vendor
- WSO2
- Also known as
- wso2-api-manager
Available worldwide
What is WSO2 API Manager?
A self-hosted API management solution providing gateway functionality, authentication, rate limiting, and protocol support for REST, GraphQL, gRPC, and other APIs. Includes AI/LLM traffic management with semantic caching and policy enforcement.
WSO2 API Manager pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Free and open source. No per-gateway fees or usage caps.
Self-Hosted
Free- Full lifecycle API management
- Design and publish REST, GraphQL, WebSocket, Webhook APIs
- Developer portal with try-it console
- Multi-gateway support
- Kubernetes and Docker deployment
- Air-gapped environments
- Distributed rate limiting and caching
- API analytics
- LLM gateway with multi-model routing
- MCP gateway and tools discovery
What WSO2 API Manager does
The capabilities that matter for api gateways, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Hosting
- Cloud + self-hosted
- Kubernetes-native
- ✓
- Rate limiting
- ✓
- Request/response transformation
- ✓
- OAuth2 / OIDC / JWT
- -
- Mutual TLS
- -
- GraphQL gateway
- ✓
- gRPC support
- ✓
- Developer portal
- ✓
- Monetization
- ✓
- Plugin ecosystem
- Extensive
- Observability
- ✓
Platform & deployment
Independently observed- macOS
- Web
- Linux
- Windows
- Hybrid
- On-premise
- Self-hosted
Integrations (11)
Independently observed- OpenAI
- Anthropic
- Azure OpenAI
- AWS Bedrock
- Google Gemini
- Mistral
- AWS Bedrock Guardrails
- Azure Content Safety
- Moesif
- Azure AI
- Mistral AI
WSO2 API Manager FAQ
Common questions about WSO2 API Manager, answered from independent, dated evidence.
What is WSO2 API Manager?
A self-hosted API management solution providing gateway functionality, authentication, rate limiting, and protocol support for REST, GraphQL, gRPC, and other APIs. Includes AI/LLM traffic management with semantic caching and policy enforcement. It is indexed under API Gateways.
Source: https://wso2.com/api-manager/
Is WSO2 API Manager free to use?
WSO2 API Manager is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.
What platforms does WSO2 API Manager support?
WSO2 API Manager supports the web, Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://wso2.com/api-manager/
Can WSO2 API Manager be self-hosted?
Yes. WSO2 API Manager can be deployed hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://wso2.com/api-manager/
What does WSO2 API Manager integrate with?
We have confirmed 8 integrations for WSO2 API Manager, including OpenAI, Anthropic, AWS Bedrock, Google Gemini, Mistral, Azure Content Safety, Moesif and Azure AI. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://wso2.com/api-manager/
What security certifications does WSO2 API Manager have?
We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for WSO2 API Manager. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as WSO2 API Manager not holding them. Always confirm compliance directly before you rely on it.
Source: https://wso2.com/security
WSO2 API Manager alternatives
Other api gateways we track, ranked by the same independent score.
- Zuplomedium · 70%
- TraefikA cloud-native gateway and reverse proxy platform for routing microservices, containers, and APIs across hybrid environmentslow · 44%
- Apache APISIXOpen-source traffic management for APIs and AI servicesmedium · 54%
- TykA cloud-native API gateway for routing and securing REST, GraphQL, TCP, and gRPC traffichigh · 76%
- Envoy GatewayControl and optimize your API and application traffic with an Envoy-based gatewaymedium · 54%
- AWS API GatewayFully managed platform for creating, deploying, and securing APIs at scalelow · 42%
Compare WSO2 API Manager
Side by side against other api gateways, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for WSO2 API Manager, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Security posture | 100 | 0.12 | 11.5 | ✓ |
| Capabilities | 100 | 0.06 | 6.3 | ✓ |
| Integrations | 80 | 0.07 | 5.8 | ✓ |
| Stars | 0 | 0.03 | 0.0 | - |
| Dependent projects | 0 | 0.06 | 0.0 | - |
| Development activity | 0 | 0.09 | 0.0 | - |
| Release cadence | 0 | 0.05 | 0.0 | - |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Security score | 0 | 0.04 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 6 items | mediumsource · 2026-09-10 · 62% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Hosting: both · K8s native: Yes · Grpc support: Yes · Monetization: Yes · Observability: Yes · Pricing model: free_open_source | mediumsource · 2026-09-06 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 600 | mediumsource · 2026-09-06 · 60% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-13 · 75% |
Pricing
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Status page | Yes | mediumsource · 2026-08-03 · 60% |
Security
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