API Management · head to head
Hasura vs Asyncapi

Hasura
API Management
GraphQL engine that instantly creates production-ready GraphQL API from databases
- From
- Free
- Rated
- -

Asyncapi
API Management
Specification and tools for defining asynchronous APIs
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Hasura database support limited to PostgreSQL, MongoDB, ClickHouse, and MS SQL Server only; Asyncapi complex to implement and debug asynchronous operations due to their non-linear and concurrent nature
- They diverge on capability: Hasura covers GraphQL API, Asyncapi covers API Specification.
Where they differ
Only the attributes on which Hasura and Asyncapi actually diverge.
Identical on both: starting price (Free), pricing model (open-source), 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 Hasura
- GraphQL API
- Real-time subscriptions
- Access control
- PostgreSQL
- MySQL
- Webhooks
- REST APIs
- 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.
Hasura
- Automatic GraphQL API generation from existing databasesnot Asyncapi
- Real-time data subscriptions for modern applicationsnot Asyncapi
- Backend infrastructure for web and mobile applicationsnot Asyncapi
- Event-triggered webhooks for database changesnot Asyncapi
Asyncapi
- API Developmentnot Hasura
- API Gatewaynot Hasura
- API Testingnot Hasura
- API Documentationnot Hasura
- Microservicesnot Hasura
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Hasura
- Database support limited to PostgreSQL, MongoDB, ClickHouse, and MS SQL Server only
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
Hasura
FreeNo published plan breakdown. See the Hasura review.
Asyncapi
Free- Open SourceFree
- AsyncAPI specification
- Tools
- Community support
Which should you pick?
Choose Hasura if
- You need graphql api.
- You want to start without paying.
- You also want real-time subscriptions.
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.
Questions people ask
- Is Hasura or Asyncapi better?
- Neither clearly leads. Hasura 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, Hasura or Asyncapi?
- Hasura starts at Free and Asyncapi at Free.
- Does Hasura or Asyncapi run on more platforms?
- Hasura runs on Web. Asyncapi runs on Web, CLI, IDE Extensions.
- Can I use Hasura for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Hasura best used for?
- Hasura is most often used for automatic graphql api generation from existing databases, real-time data subscriptions for modern applications, backend infrastructure for web and mobile applications, event-triggered webhooks for database changes. Of those, automatic graphql api generation from existing databases and real-time data subscriptions for modern applications are not what Asyncapi is typically brought in for.
- What can Hasura do that Asyncapi cannot?
- Hasura covers GraphQL API, Real-time subscriptions, Access control, PostgreSQL. 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.
SourceAsyncapi: 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.
SourceAsyncapi: 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.
SourceAsyncapi: 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.
SourceRelated pages
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