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APIs · head to head

GraphQL Playground vs Treasury Prime

GraphQL Playground logo

GraphQL Playground

APIs

GraphQL IDE and documentation tool for building GraphQL APIs

From
Free
Rated
-
Full reviewWebsite
Treasury Prime logo

Treasury Prime

APIs

Banking as a service platform sold to sponsor banks rather than to fintechs

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; Treasury Prime a fintech cannot buy Treasury Prime directly since the 2024 pivot, so the sales process starts with finding a sponsor bank willing to take your programme, which adds months and removes most of your negotiating leverage on fees.
  • They diverge on capability: GraphQL Playground covers Query building, Treasury Prime covers BankOS.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which GraphQL Playground and Treasury Prime actually diverge.

Attributes where GraphQL Playground and Treasury Prime differ
AttributeGraphQL PlaygroundTreasury Prime
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 Treasury Prime

  • BankOS
  • OneKey Banking
  • Deposit accounts
  • Payments
  • Card issuing
  • Bank oversight tooling
  • Ledger and reconciliation
  • Programme onboarding

What people use each for

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

GraphQL Playground

  • API Developmentnot Treasury Prime
  • API Gatewaynot Treasury Prime
  • API Testingnot Treasury Prime
  • API Documentationnot Treasury Prime
  • Microservicesnot Treasury Prime

Treasury Prime

  • A community or regional bank that wants to run an embedded finance line with examiner-acceptable oversight of its fintech programmesnot GraphQL Playground
  • A fintech that has already chosen its sponsor bank and needs API access to that bank rather than to a middleware layernot GraphQL Playground
  • A company that wants deposits spread across several banks for FDIC coverage beyond a single institution limitnot GraphQL Playground
  • A bank replacing a fragile middleware arrangement with a structure where it holds the customer contract and the oversight obligationnot 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

Treasury Prime

  • A fintech cannot buy Treasury Prime directly since the 2024 pivot, so the sales process starts with finding a sponsor bank willing to take your programme, which adds months and removes most of your negotiating leverage on fees.
  • Commercial terms including minimum deposit balances, reserve requirements and per transaction pricing are set by the bank rather than the platform, so two fintechs on the same software can face materially different economics with no public benchmark.
  • The company cut roughly half its staff in the 2024 pivot, which reduced the teams that supported fintech customers directly and left fintechs relying on their bank for support rather than on the vendor who wrote the software.
  • Bank risk appetite is now the binding constraint, and after the Synapse failure sponsor banks decline programmes in higher risk categories that a middleware provider would once have onboarded, so some business models simply cannot get placed.
  • If your sponsor bank exits the programme or is told by its regulator to reduce fintech exposure, you are migrating your entire deposit base to another institution, and the software being the same at both ends does not make that a small project.

Pricing, plan by plan

GraphQL Playground

Free
  • Open SourceFree
    • Full GraphQL IDE
    • Community support

Treasury Prime

On request
  • BankOS$undefined/year
    • Sold to sponsor banks, not directly to fintechs
    • Fintech commercial terms are set by the sponsor bank
    • Minimum deposits, reserves and per transaction fees vary by bank

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 Treasury Prime if

  • You need bankos.
  • You work on API, Web.
  • You also want onekey banking.
Treasury Prime review

Questions people ask

Is GraphQL Playground or Treasury Prime better?
Neither clearly leads. GraphQL Playground starts at Free and Treasury Prime at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GraphQL Playground or Treasury Prime?
GraphQL Playground has a free tier; the other does not. Paid plans start at Free for GraphQL Playground and On request for Treasury Prime.
Does GraphQL Playground or Treasury Prime run on more platforms?
GraphQL Playground runs on Web, Electron, Self-hosted. Treasury Prime 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. Treasury Prime 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 Treasury Prime is typically brought in for.
What can GraphQL Playground do that Treasury Prime cannot?
GraphQL Playground covers Query building, Schema introspection, Real-time testing, GraphQL servers. Treasury Prime covers BankOS, OneKey Banking, Deposit accounts, Payments.

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
Treasury Prime: Can a fintech buy Treasury Prime directly?

No. Since the 2024 pivot it sells to banks. A fintech contracts with a sponsor bank running BankOS, and the bank sets the terms.

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
Treasury Prime: Why did it change model?

Regulatory pressure on the tri-party middleware structure, sharpened by the Synapse failure. Examiners want the bank holding the customer contract and the oversight obligation, which is what bank-direct means.

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
Treasury Prime: What is OneKey Banking?

A way of spreading deposits across several banks in the network, used for FDIC coverage above a single institution limit and for resilience if one bank exits.

Treasury Prime: Is pricing published?

No, at neither the bank nor the fintech level. Fintech economics are set by the sponsor bank, so expect wide variation.

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