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Asyncapi vs Paragon

Asyncapi logo

Asyncapi

Software

Specification and tools for defining asynchronous APIs

From
Free
Rated
-
Full reviewWebsite
Paragon logo

Paragon

Software

Embedded integration platform for SaaS

From
$299/month
Rated
-
Full reviewWebsite

The short version

  • Only Asyncapi has a free tier, so it costs nothing to try first.
  • Each has a real cost: Asyncapi complex to implement and debug asynchronous operations due to their non-linear and concurrent nature; Paragon no price is published for either plan, and both require a quote
  • They diverge on capability: Asyncapi covers API Specification, Paragon covers Embedded workflows.

Where they differ

Only the attributes on which Asyncapi and Paragon actually diverge.

Attributes where Asyncapi and Paragon differ
AttributeAsyncapiParagon
Starting priceFree$299/month
Pricing modelopen-sourcesubscription
Free tierYesNo
PlatformsWeb, CLI, IDE ExtensionsWeb, Embedded
Founded20192021

Identical on both: user rating (Not yet rated), category (Unknown).

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 Asyncapi

  • API Specification
  • Code generation
  • Documentation
  • Multiple messaging protocols
  • Code generators
  • Specification support
  • Tools support
  • CLI support

Only in Paragon

  • Embedded workflows
  • Native integrations
  • Workflow builder
  • Error handling
  • Monitoring
  • Analytics
  • Webhooks
  • 500+ apps

What people use each for

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

Asyncapi

  • API Developmentnot Paragon
  • API Gatewaynot Paragon
  • API Testingnot Paragon
  • API Documentationnot Paragon
  • Microservicesnot Paragon

Paragon

  • Embedding third party integrations into a SaaS productnot Asyncapi
  • Managing customer facing connectors without building each onenot Asyncapi

Where each one falls short

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

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

Paragon

  • No price is published for either plan, and both require a quote
  • Cost scales with the number of customer tenants using the integrations, so the bill follows an end customer count rather than the vendor's own usage
  • SAML SSO, self hosting, dynamic field mapping and SLAs are all Enterprise only

Pricing, plan by plan

Asyncapi

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

Paragon

$299/month
  • Starter$299/month
    • 50 integrations
    • Basic support
  • Growth$999/month
    • 200 integrations
    • Priority support
  • Enterprise$5000/month
    • Unlimited integrations
    • Dedicated support

Which should you pick?

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

Choose Paragon if

  • You need embedded workflows.
  • You work on Web, Embedded.
  • You also want native integrations.
Paragon review

Questions people ask

Is Asyncapi or Paragon better?
Neither clearly leads. Asyncapi starts at Free and Paragon at $299/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Asyncapi or Paragon?
Asyncapi has a free tier; the other does not. Paid plans start at Free for Asyncapi and $299/month for Paragon.
Does Asyncapi or Paragon run on more platforms?
Asyncapi runs on Web, CLI, IDE Extensions. Paragon runs on Web, Embedded.
Can I use Asyncapi for free?
Yes. Asyncapi has a free tier, so you can try it without paying. Paragon starts at $299/month.
What is Asyncapi best used for?
Asyncapi is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Paragon is typically brought in for.
What can Asyncapi do that Paragon cannot?
Asyncapi covers API Specification, Code generation, Documentation, Multiple messaging protocols. Paragon covers Embedded workflows, Native integrations, Workflow builder, Error handling.

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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