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APIs · head to head

Apidog vs Yapily

Apidog logo

Apidog

APIs

All-in-one platform for API design, documentation, testing, and mocking

From
Free
Rated
-
Full reviewWebsite
Yapily logo

Yapily

APIs

Open banking API infrastructure for account data and pay-by-bank payments across Europe

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Apidog free plan is capped at 4 users, limiting larger teams from using it at no cost.; Yapily production pricing itself is not published; only the resulting typical merchant transaction cost is publicly known, so the underlying platform fee still requires a sales conversation.
  • They diverge on capability: Apidog covers API design and documentation, Yapily covers Unified open banking API.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Apidog and Yapily actually diverge.

Attributes where Apidog and Yapily differ
AttributeApidogYapily
Pricing modelfreemiumFree sandbox, pay-as-you-go production
Platformsweb, windows, mac, linuxWeb, API

Identical on both: starting price (Free), free tier (Yes), 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 Apidog

  • API design and documentation
  • Mock servers
  • Automated testing
  • Team collaboration
  • Scheduled imports
  • Branded documentation

Only in Yapily

  • Unified open banking API
  • Account information access
  • Payment initiation
  • Free sandbox
  • Multi-country bank coverage
  • Webhooks and reconciliation tooling

What people use each for

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

Apidog

  • Designing and documenting APIs in a shared team workspacenot Yapily
  • Mocking API responses for frontend development before backend is readynot Yapily
  • Running automated API test suitesnot Yapily
  • Replacing separate Postman, Swagger, and mock-server tools with one platformnot Yapily

Yapily

  • A merchant wanting a lower-cost payment method alongside card acceptancenot Apidog
  • A lending or budgeting product needing bank account data for affordability checksnot Apidog
  • A business wanting one API instead of separate integrations to each bank's own open banking standardnot Apidog
  • A company prototyping open banking features for free in sandbox before committing budgetnot Apidog

Where each one falls short

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

Apidog

  • Free plan is capped at 4 users, limiting larger teams from using it at no cost.
  • Faster scheduled imports and unlimited projects require the Professional tier or higher.
  • Smaller community and plugin ecosystem compared to long-established tools like Postman.
  • Advanced enterprise security controls require the top-tier Enterprise plan.

Yapily

  • Production pricing itself is not published; only the resulting typical merchant transaction cost is publicly known, so the underlying platform fee still requires a sales conversation.
  • Consumer adoption of pay-by-bank still lags card payments, so merchants offering it as a checkout option typically see it used as a secondary rather than primary payment method.
  • Coverage depends on the banks in each country maintaining reliable open banking APIs, and inconsistent bank-side reliability across markets is a known category-wide weakness, not unique to Yapily but not solved by it either.
  • As infrastructure for both account data and payments, a company only needing one of those two capabilities is still evaluating a broader platform than it may need.
  • Regulatory dependence on PSD2 and UK open banking rules means the underlying legal framework, not just Yapily's product, could shift and affect what is possible on the platform.

Pricing, plan by plan

Apidog

Free
  • FreeFree
    • Up to 4 users
    • Core design, mock, and testing features
  • Basic$9/month
    • Per-seat pricing billed annually
    • Expanded team collaboration
  • Professional$18/month
    • Unlimited projects
    • Team-level shared variables
    • Faster scheduled imports
  • Enterprise$27/month
    • Advanced admin and security controls
    • Priority support

Yapily

Free
  • SandboxFree
    • Free testing environment
    • UK and European bank connections for development
  • Production$undefined/month
    • Pay-as-you-go pricing, exact rates not published
    • Typical pay-by-bank cost of 0.1 to 0.5% or a flat 5 to 30 pence per transaction

Which should you pick?

Choose Apidog if

  • You need api design and documentation.
  • You want to start without paying.
  • You work on web, windows, mac, linux.
  • You also want mock servers.
Apidog review

Choose Yapily if

  • You need unified open banking api.
  • You want to start without paying.
  • You work on Web, API.
  • You also want account information access.
Yapily review

Questions people ask

Is Apidog or Yapily better?
Neither clearly leads. Apidog starts at Free and Yapily at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apidog or Yapily?
Apidog starts at Free and Yapily at Free.
Does Apidog or Yapily run on more platforms?
Apidog runs on web, windows, mac, linux. Yapily runs on Web, API.
Can I use Apidog for free?
Both have a free tier, so you can try either at no cost before committing.
What is Apidog best used for?
Apidog is most often used for designing and documenting apis in a shared team workspace, mocking api responses for frontend development before backend is ready, running automated api test suites, replacing separate postman, swagger, and mock-server tools with one platform. Of those, designing and documenting apis in a shared team workspace and mocking api responses for frontend development before backend is ready are not what Yapily is typically brought in for.
What can Apidog do that Yapily cannot?
Apidog covers API design and documentation, Mock servers, Automated testing, Team collaboration. Yapily covers Unified open banking API, Account information access, Payment initiation, Free sandbox.

Answered from the vendors’ own pages

Apidog: What does Apidog cost?

Apidog offers a free plan for up to 4 users, with paid per-seat plans at roughly $9/month for Basic, $18/month for Professional, and $27/month for Enterprise when billed annually.

Source
Yapily: Is there a free way to try it?

Yes, sandbox access is free for development and testing.

Apidog: Is there a free plan, and what are its limits?

The free plan supports up to 4 users with access to core design, documentation, mocking, and testing features.

Source
Yapily: How much cheaper is pay-by-bank than card payments?

Typically 0.1 to 0.5% of transaction value, or a flat 5 to 30 pence, against 1.5 to 3.5% for card scheme fees.

Apidog: Can I try paid plans before subscribing?

Paid plans include a 14-day free trial, giving teams full access to premium features before committing to a subscription.

Source
Yapily: Is production pricing published?

No, production access is pay-as-you-go but exact rates require a sales conversation.

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