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APIs · head to head

Swagger/OpenAPI vs Yodlee

Swagger/OpenAPI logo

Swagger/OpenAPI

APIs

API specification and documentation framework using OpenAPI standard

From
Free
Rated
-
Full reviewWebsite
Yodlee logo

Yodlee

APIs

Long-running financial data aggregation with deep transaction history

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Swagger/OpenAPI has a free tier, so it costs nothing to try first.
  • Each has a real cost: Swagger/OpenAPI the OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it; Yodlee ownership has changed twice in two years, from Envestnet to Bain Capital control and then to STG in 2025, so the roadmap is now set by a financial sponsor and long term product direction is harder to rely on than it was.
  • They diverge on capability: Swagger/OpenAPI covers OpenAPI Specification, Yodlee covers Account aggregation.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Swagger/OpenAPI and Yodlee actually diverge.

Attributes where Swagger/OpenAPI and Yodlee differ
AttributeSwagger/OpenAPIYodlee
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
PlatformsWeb, CLI, DesktopAPI, Web
Founded2001Unknown

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 Swagger/OpenAPI

  • OpenAPI Specification
  • Interactive Documentation
  • Code Generation
  • GitHub
  • GitLab
  • Jenkins
  • IDE plugins
  • Web support

Only in Yodlee

  • Account aggregation
  • Long transaction history
  • Investment and holdings data
  • Account verification
  • Transaction enrichment
  • Cash flow analytics
  • Document retrieval
  • International coverage

What people use each for

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

Swagger/OpenAPI

  • API Developmentnot Yodlee
  • API Gatewaynot Yodlee
  • API Testingnot Yodlee
  • API Documentationnot Yodlee
  • Microservicesnot Yodlee

Yodlee

  • A wealth platform that needs held-away brokerage holdings as well as bank balances to show a client their complete positionnot Swagger/OpenAPI
  • A lender doing cash flow underwriting that needs several years of transaction history rather than the ninety days newer aggregators returnnot Swagger/OpenAPI
  • A financial institution needing statement and tax document retrieval alongside transaction datanot Swagger/OpenAPI
  • A firm operating in several countries that wants one aggregator rather than a US provider plus a European onenot Swagger/OpenAPI

Where each one falls short

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

Swagger/OpenAPI

  • The OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it

Yodlee

  • Ownership has changed twice in two years, from Envestnet to Bain Capital control and then to STG in 2025, so the roadmap is now set by a financial sponsor and long term product direction is harder to rely on than it was.
  • Parts of the connection estate still depend on credential based access, which banks and regulators are phasing out in favour of FDX APIs, so coverage will shift as institutions withdraw the older method and the migration is not under your control.
  • The platform predates modern API design and developers consistently find the integration heavier and the data model more idiosyncratic than newer aggregators, which lengthens build time.
  • Pricing is enterprise shaped with annual commitments and nothing published, so small and mid sized buyers have no anchor and cannot start without a sales cycle.
  • Investment data, document retrieval and analytics are licensed on top of core aggregation, so the capabilities that justify choosing Yodlee over a cheaper rival are the ones that raise the price above it.

Pricing, plan by plan

Swagger/OpenAPI

Free
  • Open SourceFree
    • OpenAPI specification
    • Community tools
  • SwaggerHub FreeFree
    • Cloud editor
    • API mocking
    • API testing
  • SwaggerHub Pro$75/monthly
    • Team collaboration
    • Advanced mocking
    • Analytics

Yodlee

On request
  • Yodlee Data Platform$undefined/year
    • Priced by connected users, refresh frequency and data types
    • Investment and document retrieval licensed separately from core aggregation
    • Enterprise agreements with annual commitments

Which should you pick?

Choose Swagger/OpenAPI if

  • You need openapi specification.
  • You want to start without paying.
  • You work on Web, CLI, Desktop.
  • You also want interactive documentation.
Swagger/OpenAPI review

Choose Yodlee if

  • You need account aggregation.
  • You work on API, Web.
  • You also want long transaction history.
Yodlee review

Questions people ask

Is Swagger/OpenAPI or Yodlee better?
Neither clearly leads. Swagger/OpenAPI starts at Free and Yodlee at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Swagger/OpenAPI or Yodlee?
Swagger/OpenAPI has a free tier; the other does not. Paid plans start at Free for Swagger/OpenAPI and On request for Yodlee.
Does Swagger/OpenAPI or Yodlee run on more platforms?
Swagger/OpenAPI runs on Web, CLI, Desktop. Yodlee runs on API, Web.
Can I use Swagger/OpenAPI for free?
Yes. Swagger/OpenAPI has a free tier, so you can try it without paying. Yodlee starts at On request.
What is Swagger/OpenAPI best used for?
Swagger/OpenAPI is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Yodlee is typically brought in for.
What can Swagger/OpenAPI do that Yodlee cannot?
Swagger/OpenAPI covers OpenAPI Specification, Interactive Documentation, Code Generation, GitHub. Yodlee covers Account aggregation, Long transaction history, Investment and holdings data, Account verification.

Answered from the vendors’ own pages

Swagger/OpenAPI: Is Swagger UI free to use?

Swagger UI is an open source tool with source code publicly available on GitHub at no cost. It is one of thousands of free open source projects in the Swagger ecosystem.

Source
Yodlee: Who owns Yodlee now?

Private equity firm STG, which acquired it from Envestnet in a deal closing in 2025. Envestnet, itself taken private by Bain Capital and Reverence Capital in 2024, retained access through a partnership.

Swagger/OpenAPI: What commercial Swagger products are available beyond the open source tools?

Swagger offers Swagger for Teams for streamlined API workflow with interactive editors and hosted documentation, and Swagger Enterprise for organizations needing secure on-premise or cloud-based environments. Specific pricing requires contacting sales.

Source
Yodlee: Why choose Yodlee over Plaid?

Longer transaction history, deeper investment and held-away account coverage, and document retrieval. Those are wealth management and underwriting requirements rather than consumer fintech ones.

Swagger/OpenAPI: Are there commercial versions that build on the open source Swagger tools?

Yes, commercial Swagger products integrate the core functionality of Swagger open source tools (Editor, UI, and Codegen) with advanced capabilities for team collaboration, standards enforcement, and enterprise features.

Source
Yodlee: Does it still use screen scraping?

Parts of the estate rely on credential based connections, which the industry is phasing out in favour of regulated APIs. Ask for direct API coverage by institution before signing.

Swagger/OpenAPI: Is there a trial available for Swagger commercial products?

A Start Trial call-to-action is available on the Swagger website, but specific trial duration and terms are not disclosed on the product pages.

Source
Yodlee: Is pricing published?

No. It is quoted by connected users, refresh frequency and data types, with investment data and document retrieval priced separately.

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