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APIs · head to head

10x Banking vs Asyncapi

10x Banking logo

10x Banking

APIs

Cloud-native core banking platform built for large incumbent bank migrations

From
On request
Rated
-
Full reviewWebsite
Asyncapi logo

Asyncapi

APIs

Specification and tools for defining asynchronous APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Asyncapi has a free tier, so it costs nothing to try first.
  • Each has a real cost: 10x Banking engagements are multi-year core replacement programmes with costs dominated by migration and integration, so the licence is a minority of what you actually spend.; Asyncapi complex to implement and debug asynchronous operations due to their non-linear and concurrent nature
  • They diverge on capability: 10x Banking covers SuperCore ledger, Asyncapi covers API Specification.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which 10x Banking and Asyncapi actually diverge.

Attributes where 10x Banking and Asyncapi differ
Attribute10x BankingAsyncapi
Starting priceOn requestFree
Pricing modelquoteopen-source
Free tierNoYes
PlatformsWeb, REST API, LinuxWeb, CLI, IDE Extensions
FoundedUnknown2019

Identical on both: 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 10x Banking

  • SuperCore ledger
  • Product configuration
  • Event streaming
  • Migration tooling
  • Payments orchestration
  • Cloud deployment

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.

10x Banking

  • A tier-one bank replacing a mainframe core over several years while keeping it running in parallelnot Asyncapi
  • A bank launching a separate digital brand on a modern core before migrating the main booknot Asyncapi
  • An institution whose regulator demands real-time transaction data its legacy core cannot producenot Asyncapi
  • A bank whose product launch cycle is limited by core release schedules rather than by demandnot Asyncapi

Asyncapi

  • API Developmentnot 10x Banking
  • API Gatewaynot 10x Banking
  • API Testingnot 10x Banking
  • API Documentationnot 10x Banking
  • Microservicesnot 10x Banking

Where each one falls short

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

10x Banking

  • Engagements are multi-year core replacement programmes with costs dominated by migration and integration, so the licence is a minority of what you actually spend.
  • The customer list is small and concentrated in large institutions, which makes reference checking and benchmarking difficult before committing.
  • It is a smaller vendor than Temenos or Finastra carrying a systemically important workload, and bank procurement teams treat that concentration as a genuine risk.
  • Product configuration replaces code but shifts complexity into configuration governance, which banks must staff and control just as carefully as software releases.
  • Value only appears after migration, so a programme cancelled or paused mid-transition leaves the bank running two cores and paying for both.

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

10x Banking

On request
  • SuperCore$undefined/year
    • Multi-year enterprise licence, quoted
    • Scaling by accounts, transaction volume and product lines
    • Substantial implementation and migration programme costs

Asyncapi

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

Which should you pick?

Choose 10x Banking if

  • You need supercore ledger.
  • You work on Web, REST API, Linux.
  • You also want product configuration.
10x Banking 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 10x Banking or Asyncapi better?
Neither clearly leads. 10x Banking starts at On request and Asyncapi at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 10x Banking or Asyncapi?
Asyncapi has a free tier; the other does not. Paid plans start at On request for 10x Banking and Free for Asyncapi.
Does 10x Banking or Asyncapi run on more platforms?
10x Banking runs on Web, REST API, Linux. Asyncapi runs on Web, CLI, IDE Extensions.
Can I use Asyncapi for free?
Yes. Asyncapi has a free tier, so you can try it without paying. 10x Banking starts at On request.
What is 10x Banking best used for?
10x Banking is most often used for a tier-one bank replacing a mainframe core over several years while keeping it running in parallel, a bank launching a separate digital brand on a modern core before migrating the main book, an institution whose regulator demands real-time transaction data its legacy core cannot produce, a bank whose product launch cycle is limited by core release schedules rather than by demand. Of those, a tier-one bank replacing a mainframe core over several years while keeping it running in parallel and a bank launching a separate digital brand on a modern core before migrating the main book are not what Asyncapi is typically brought in for.
What can 10x Banking do that Asyncapi cannot?
10x Banking covers SuperCore ledger, Product configuration, Event streaming, Migration tooling. Asyncapi covers API Specification, Code generation, Documentation, Multiple messaging protocols.

Answered from the vendors’ own pages

10x Banking: Who is 10x Banking for?

Large incumbent banks running core replacement, not challengers or fintechs looking for a quick launch.

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
10x Banking: How long does implementation take?

Years rather than months. Migration design and coexistence with the legacy core dominate the timeline.

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
10x Banking: Is pricing published?

No. It is a quoted multi-year enterprise licence scaled by accounts, transaction volume and product lines.

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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