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API Management · head to head

Microsoft Azure API Management vs Asyncapi

Microsoft Azure API Management logo

Microsoft Azure API Management

API Management

Hybrid, multi-cloud API management service on Azure

From
Free
Rated
-
Full reviewWebsite
Asyncapi logo

Asyncapi

API Management

Specification and tools for defining asynchronous APIs

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; Asyncapi complex to implement and debug asynchronous operations due to their non-linear and concurrent nature
  • They diverge on capability: Microsoft Azure API Management covers API Gateway, Asyncapi covers API Specification.

Where they differ

Only the attributes on which Microsoft Azure API Management and Asyncapi actually diverge.

Attributes where Microsoft Azure API Management and Asyncapi differ
AttributeMicrosoft Azure API ManagementAsyncapi
Pricing modelsubscriptionopen-source
PlatformsCloud, Hybrid, Multi-cloudWeb, CLI, IDE Extensions
Founded19752019

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (API Management).

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 Asyncapi

  • API Specification
  • Code generation
  • Documentation
  • Multiple messaging protocols
  • Code generators
  • Specification support
  • Tools support
  • CLI 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 Asyncapi
  • Throttling, keys and policies in front of backend servicesnot Asyncapi
  • Developer portal for internal and partner APIsnot Asyncapi
  • Hybrid deployments using self-hosted gatewaysnot Asyncapi

Asyncapi

  • 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

Asyncapi

  • Complex to implement and debug asynchronous operations due to their non-linear and concurrent nature
  • Keeping AsyncAPI documents up to date is challenging as systems evolve
  • Tracing and debugging asynchronous operations is more difficult than synchronous request-response patterns

Pricing, plan by plan

Microsoft Azure API Management

Free
  • FreeFree
    • 1M calls/month
    • Community support
  • Developer$50/monthly
    • 10M calls/month
    • Email support
  • Premium$500/monthly
    • Unlimited calls
    • Priority support
    • SLA

Asyncapi

Free
  • Open SourceFree
    • AsyncAPI specification
    • Tools
    • Community support

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 Asyncapi if

  • You need api specification.
  • You want to start without paying.
  • You work on Web, CLI, IDE Extensions.
  • You also want code generation.
Asyncapi review

Questions people ask

Is Microsoft Azure API Management or Asyncapi better?
Neither clearly leads. Microsoft Azure API Management starts at Free and Asyncapi 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 Asyncapi?
Microsoft Azure API Management starts at Free and Asyncapi at Free.
Does Microsoft Azure API Management or Asyncapi run on more platforms?
Microsoft Azure API Management runs on Cloud, Hybrid, Multi-cloud. Asyncapi runs on Web, CLI, IDE Extensions.
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 Asyncapi is typically brought in for.
What can Microsoft Azure API Management do that Asyncapi cannot?
Microsoft Azure API Management covers API Gateway, Developer Portal, API Policies, Azure services. Asyncapi covers API Specification, Code generation, Documentation, Multiple messaging protocols.

Answered from the vendors’ own pages

Asyncapi: What is AsyncAPI used for?

AsyncAPI is an open-source specification for defining and documenting asynchronous APIs, message-driven systems, and event-driven architectures. It serves the same purpose for async APIs as OpenAPI does for REST APIs, providing standardized documentation, code generation, and tooling.

Source
Asyncapi: Is AsyncAPI free to use?

Yes, AsyncAPI is completely free and open-source. It is hosted by the Linux Foundation and supported by community contributions and sponsorships from companies like Postman, IBM, IQVIA Technology, and Solace.

Source
Asyncapi: What protocols and technologies does AsyncAPI support?

AsyncAPI supports multiple protocols and technologies including Kafka, RabbitMQ, MQTT, Socket.IO, AWS EventBridge, and others. It provides language support for JavaScript/TypeScript, Python, Java, Go, C#/.NET, Kotlin, and PHP.

Source
Asyncapi: Does AsyncAPI have IDE support?

Yes, AsyncAPI has IDE extensions available for VSCode and IntelliJ, along with CLI utilities and GitHub Actions integration for developers.

Source
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Related pages

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