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APIs · head to head

Microsoft Azure API Management vs Swagger/OpenAPI

Microsoft Azure API Management logo

Microsoft Azure API Management

APIs

Hybrid, multi-cloud API management service on Azure

From
Free
Rated
-
Full reviewWebsite
Swagger/OpenAPI logo

Swagger/OpenAPI

APIs

API specification and documentation framework using OpenAPI standard

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Microsoft Azure API Management prices are not shown on the pricing page itself; every tier renders as a placeholder and routes to the calculator or sales; Swagger/OpenAPI the OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it
  • They diverge on capability: Microsoft Azure API Management covers API Gateway, Swagger/OpenAPI covers OpenAPI Specification.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Microsoft Azure API Management and Swagger/OpenAPI actually diverge.

Attributes where Microsoft Azure API Management and Swagger/OpenAPI differ
AttributeMicrosoft Azure API ManagementSwagger/OpenAPI
Pricing modelsubscriptionfreemium
PlatformsCloud, Hybrid, Multi-cloudWeb, CLI, Desktop
Founded19752001

Identical on both: starting price (Free), free tier (Yes), 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 Microsoft Azure API Management

  • API Gateway
  • Developer Portal
  • API Policies
  • Azure services
  • AWS
  • Google Cloud
  • On-premises
  • Cloud support

Only in Swagger/OpenAPI

  • OpenAPI Specification
  • Interactive Documentation
  • Code Generation
  • GitHub
  • GitLab
  • Jenkins
  • IDE plugins
  • Web support

What people use each for

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

Microsoft Azure API Management

  • API gateway and lifecycle management on Azurenot Swagger/OpenAPI
  • Throttling, keys and policies in front of backend servicesnot Swagger/OpenAPI
  • Developer portal for internal and partner APIsnot Swagger/OpenAPI
  • Hybrid deployments using self-hosted gatewaysnot Swagger/OpenAPI

Swagger/OpenAPI

  • API Developmentnot Microsoft Azure API Management
  • API Gatewaynot Microsoft Azure API Management
  • API Testingnot Microsoft Azure API Management
  • API Documentationnot Microsoft Azure API Management
  • Microservicesnot Microsoft Azure API Management

Where each one falls short

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

Microsoft Azure API Management

  • Prices are not shown on the pricing page itself; every tier renders as a placeholder and routes to the calculator or sales
  • Two parallel generations of tiers, classic and v2, so the choice is which lineage before which size
  • The Developer tier is explicitly not for production
  • Self-hosted gateways and workspace gateways are charged separately from the service

Swagger/OpenAPI

  • The OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it

Pricing, plan by plan

Microsoft Azure API Management

Free
  • ConsumptionFree
    • 0-1 million API operations free monthly per subscription
  • Basic v2$undefined/mo
    • 10 million API requests included monthly
  • Standard v2$undefined/mo
    • 50 million API requests included monthly
  • Premium v2$undefined/mo
    • Unlimited included API requests

Swagger/OpenAPI

Free
  • Open SourceFree
    • OpenAPI specification
    • Community tools
  • SwaggerHub FreeFree
    • Cloud editor
    • API mocking
    • API testing
  • SwaggerHub Pro$75/monthly
    • Team collaboration
    • Advanced mocking
    • Analytics

Which should you pick?

Choose Microsoft Azure API Management if

  • You need api gateway.
  • You want to start without paying.
  • You work on Cloud, Hybrid, Multi-cloud.
  • You also want developer portal.
Microsoft Azure API Management review

Choose Swagger/OpenAPI if

  • You need openapi specification.
  • You want to start without paying.
  • You work on Web, CLI, Desktop.
  • You also want interactive documentation.
Swagger/OpenAPI review

Questions people ask

Is Microsoft Azure API Management or Swagger/OpenAPI better?
Neither clearly leads. Microsoft Azure API Management starts at Free and Swagger/OpenAPI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft Azure API Management or Swagger/OpenAPI?
Microsoft Azure API Management starts at Free and Swagger/OpenAPI at Free.
Does Microsoft Azure API Management or Swagger/OpenAPI run on more platforms?
Microsoft Azure API Management runs on Cloud, Hybrid, Multi-cloud. Swagger/OpenAPI runs on Web, CLI, Desktop.
Can I use Microsoft Azure API Management for free?
Both have a free tier, so you can try either at no cost before committing.
What is Microsoft Azure API Management best used for?
Microsoft Azure API Management is most often used for api gateway and lifecycle management on azure, throttling, keys and policies in front of backend services, developer portal for internal and partner apis, hybrid deployments using self-hosted gateways. Of those, api gateway and lifecycle management on azure and throttling, keys and policies in front of backend services are not what Swagger/OpenAPI is typically brought in for.
What can Microsoft Azure API Management do that Swagger/OpenAPI cannot?
Microsoft Azure API Management covers API Gateway, Developer Portal, API Policies, Azure services. Swagger/OpenAPI covers OpenAPI Specification, Interactive Documentation, Code Generation, GitHub.

Answered from the vendors’ own pages

Microsoft Azure API Management: Is Azure API Management free?

Azure API Management offers a Consumption tier with a free tier that includes 0-1 million API operations per subscription monthly at no cost, then charges per operation beyond that. Classic Consumption tier is pay-as-you-go billing.

Source
Swagger/OpenAPI: Is Swagger UI free to use?

Swagger UI is an open source tool with source code publicly available on GitHub at no cost. It is one of thousands of free open source projects in the Swagger ecosystem.

Source
Microsoft Azure API Management: What are the API request limits for Azure API Management's v2 tiers?

Basic v2 includes 10 million API requests monthly, Standard v2 includes 50 million monthly, and Premium v2 includes unlimited API requests. Additional requests beyond included amounts incur standard rates.

Source
Swagger/OpenAPI: What commercial Swagger products are available beyond the open source tools?

Swagger offers Swagger for Teams for streamlined API workflow with interactive editors and hosted documentation, and Swagger Enterprise for organizations needing secure on-premise or cloud-based environments. Specific pricing requires contacting sales.

Source
Microsoft Azure API Management: What cache capacity does each Azure API Management tier provide?

Basic v2 provides 250 MB built-in cache, Standard v2 provides 1 GB cache, and Premium v2 provides 5 GB cache capacity for response caching.

Source
Swagger/OpenAPI: Are there commercial versions that build on the open source Swagger tools?

Yes, commercial Swagger products integrate the core functionality of Swagger open source tools (Editor, UI, and Codegen) with advanced capabilities for team collaboration, standards enforcement, and enterprise features.

Source
Swagger/OpenAPI: Is there a trial available for Swagger commercial products?

A Start Trial call-to-action is available on the Swagger website, but specific trial duration and terms are not disclosed on the product pages.

Source
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