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APIs · head to head

GraphQL Playground vs MX Technologies

GraphQL Playground logo

GraphQL Playground

APIs

GraphQL IDE and documentation tool for building GraphQL APIs

From
Free
Rated
-
Full reviewWebsite
MX Technologies logo

MX Technologies

APIs

US financial data aggregation with heavy transaction cleansing and enrichment

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only GraphQL Playground has a free tier, so it costs nothing to try first.
  • Each has a real cost: GraphQL Playground apollo's own documentation states GraphQL Playground is officially retired and no longer recommended, directing users to Apollo Sandbox instead; MX Technologies coverage is United States focused, so any product with European or other international users runs a second aggregator and reconciles two data models, which removes most of the single vendor argument.
  • They diverge on capability: GraphQL Playground covers Query building, MX Technologies covers Account aggregation.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which GraphQL Playground and MX Technologies actually diverge.

Attributes where GraphQL Playground and MX Technologies differ
AttributeGraphQL PlaygroundMX Technologies
Starting priceFreeOn request
Pricing modelopen-sourcequote
Free tierYesNo
PlatformsWeb, Electron, Self-hostedAPI, Web
Founded2018Unknown

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 GraphQL Playground

  • Query building
  • Schema introspection
  • Real-time testing
  • GraphQL servers
  • Apollo Studio
  • Custom servers
  • Web support
  • Electron support

Only in MX Technologies

  • Account aggregation
  • Transaction cleansing
  • Categorisation
  • Merchant resolution
  • Account verification
  • Balance and funds checks
  • Data enhancement APIs
  • Consent and connection management

What people use each for

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

GraphQL Playground

  • API Developmentnot MX Technologies
  • API Gatewaynot MX Technologies
  • API Testingnot MX Technologies
  • API Documentationnot MX Technologies
  • Microservicesnot MX Technologies

MX Technologies

  • A credit union building a personal finance view in its own app that needs its own transaction descriptions made readablenot GraphQL Playground
  • A lender using cash flow underwriting that needs categorised income and expense data rather than raw transaction stringsnot GraphQL Playground
  • A bank wanting account verification and balance checks before initiating ACH debits to reduce returnsnot GraphQL Playground
  • A fintech that already aggregates data elsewhere and licenses only the enrichment layer to clean what it hasnot GraphQL Playground

Where each one falls short

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

GraphQL Playground

  • Apollo's own documentation states GraphQL Playground is officially retired and no longer recommended, directing users to Apollo Sandbox instead

MX Technologies

  • Coverage is United States focused, so any product with European or other international users runs a second aggregator and reconciles two data models, which removes most of the single vendor argument.
  • Nothing is published on price and contracts are enterprise shaped, so a small fintech cannot estimate cost or start building without a sales process, unlike self-serve competitors.
  • Data enhancement is the differentiator and is licensed separately from aggregation, so the quoted aggregation price is not the price of the product people actually buy it for.
  • Categorisation and merchant resolution are statistical and get business to business and unusual transactions wrong more often than consumer retail, so lending decisions built on categorised data need their own review layer.
  • As the United States moves to regulated API access, connection quality depends on what each institution exposes, and the long tail of small banks and credit unions remains the weakest part of any aggregator including this one.

Pricing, plan by plan

GraphQL Playground

Free
  • Open SourceFree
    • Full GraphQL IDE
    • Community support

MX Technologies

On request
  • MX Platform$undefined/year
    • Priced by connected users, API calls and modules
    • Data enhancement licensed separately from aggregation
    • Enterprise contracts aimed at financial institutions

Which should you pick?

Choose GraphQL Playground if

  • You need query building.
  • You want to start without paying.
  • You work on Web, Electron, Self-hosted.
  • You also want schema introspection.
GraphQL Playground review

Choose MX Technologies if

  • You need account aggregation.
  • You work on API, Web.
  • You also want transaction cleansing.
MX Technologies review

Questions people ask

Is GraphQL Playground or MX Technologies better?
Neither clearly leads. GraphQL Playground starts at Free and MX Technologies at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GraphQL Playground or MX Technologies?
GraphQL Playground has a free tier; the other does not. Paid plans start at Free for GraphQL Playground and On request for MX Technologies.
Does GraphQL Playground or MX Technologies run on more platforms?
GraphQL Playground runs on Web, Electron, Self-hosted. MX Technologies runs on API, Web.
Can I use GraphQL Playground for free?
Yes. GraphQL Playground has a free tier, so you can try it without paying. MX Technologies starts at On request.
What is GraphQL Playground best used for?
GraphQL Playground is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what MX Technologies is typically brought in for.
What can GraphQL Playground do that MX Technologies cannot?
GraphQL Playground covers Query building, Schema introspection, Real-time testing, GraphQL servers. MX Technologies covers Account aggregation, Transaction cleansing, Categorisation, Merchant resolution.

Answered from the vendors’ own pages

GraphQL Playground: Is GraphQL Playground free to use?

GraphQL Playground is a testing tool for Apollo Server and is free to use as part of the Apollo Server documentation. However, the broader Apollo GraphQL platform has various paid tiers available for production use.

Source
MX Technologies: What does MX do that Plaid does not?

It sells transaction cleansing, categorisation and merchant resolution as a first class product, including on data you already hold, which is why financial institutions rather than startups are its core customers.

GraphQL Playground: Is GraphQL Playground part of a paid product?

GraphQL Playground is a testing tool within the Apollo ecosystem. While Playground itself is free, Apollo offers paid tiers starting at $5 per million requests for the Developer tier, with Standard and Enterprise plans available at custom pricing.

Source
MX Technologies: Does it cover Europe?

No. MX is United States focused. European coverage requires a different provider such as Tink.

GraphQL Playground: What is the cost structure for Apollo GraphQL's paid plans?

Apollo uses volume-based tiered pricing for requests: first 250M operations cost $5.00 per million plus $2.00 for performance add-on; next 750M operations are $4.25 per million plus $1.50 add-on; additional tiers scale down to $3.00 per million plus $0.50 add-on for operations over 5 billion.

Source
MX Technologies: Is pricing published?

No. Contracts are quoted by connected users, call volume and modules, with enhancement licensed separately from aggregation.

MX Technologies: Does it use screen scraping?

It uses direct bank APIs where institutions expose them and credential based connections elsewhere. The credential path is being deprecated across the industry, and coverage quality now tracks which banks have real APIs.

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