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Asyncapi vs Payload CMS

Asyncapi logo

Asyncapi

Software

Specification and tools for defining asynchronous APIs

From
Free
Rated
-
Full reviewWebsite
Payload CMS logo

Payload CMS

Software

Modern TypeScript-first headless CMS with REST and GraphQL APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Asyncapi complex to implement and debug asynchronous operations due to their non-linear and concurrent nature; Payload CMS payload is a Next.js fullstack framework and installs into a Next.js app, so it is not framework-agnostic
  • They diverge on capability: Asyncapi covers API Specification, Payload CMS covers REST API.

Where they differ

Only the attributes on which Asyncapi and Payload CMS actually diverge.

Attributes where Asyncapi and Payload CMS differ
AttributeAsyncapiPayload CMS
PlatformsWeb, CLI, IDE ExtensionsNode.js, Self-hosted
Founded20192020

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), 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 Payload CMS

  • REST API
  • GraphQL API
  • Versioning
  • TypeScript
  • Node.js
  • Databases
  • Custom plugins
  • Node.js support

What people use each for

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

Asyncapi

  • API Developmentnot Payload CMS
  • API Gatewaynot Payload CMS
  • API Testingnot Payload CMS
  • API Documentationnot Payload CMS
  • Microservicesnot Payload CMS

Payload CMS

  • Running a headless, TypeScript-configured CMS you self-hostnot Asyncapi
  • Generating an admin panel plus REST and GraphQL APIs from a code confignot Asyncapi
  • Digital asset management and headless e-commerce back endsnot 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

Payload CMS

  • Payload is a Next.js fullstack framework and installs into a Next.js app, so it is not framework-agnostic
  • Database support is limited to MongoDB and Postgres
  • SSO is an Enterprise-only feature
  • Publishing workflows, the visual editor, static A/B testing and AI auto-embedding are listed as Enterprise features
  • Enterprise is sold through a Schedule a Demo form with no published price
  • Free support is through a Discord community rather than a vendor support channel

Pricing, plan by plan

Asyncapi

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

Payload CMS

Free
  • Open SourceFree
    • Full PayloadCMS
    • Self-hosted
    • Community 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 Payload CMS if

  • You need rest api.
  • You want to start without paying.
  • You work on Node.js, Self-hosted.
  • You also want graphql api.
Payload CMS review

Questions people ask

Is Asyncapi or Payload CMS better?
Neither clearly leads. Asyncapi starts at Free and Payload CMS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Asyncapi or Payload CMS?
Asyncapi starts at Free and Payload CMS at Free.
Does Asyncapi or Payload CMS run on more platforms?
Asyncapi runs on Web, CLI, IDE Extensions. Payload CMS runs on Node.js, Self-hosted.
Can I use Asyncapi for free?
Both have a free tier, so you can try either at no cost before committing.
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 Payload CMS is typically brought in for.
What can Asyncapi do that Payload CMS cannot?
Asyncapi covers API Specification, Code generation, Documentation, Multiple messaging protocols. Payload CMS covers REST API, GraphQL API, Versioning, TypeScript.

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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