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APIs · head to head

Janus Gateway vs Treasury Prime

Janus Gateway logo

Janus Gateway

APIs

WebRTC gateway and media server for real-time communication

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 Janus Gateway has a free tier, so it costs nothing to try first.
  • Each has a real cost: Janus Gateway no commercial pricing published; open-source project without official commercial offerings; 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: Janus Gateway covers WebRTC Gateway, Treasury Prime covers BankOS.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Janus Gateway and Treasury Prime actually diverge.

Attributes where Janus Gateway and Treasury Prime differ
AttributeJanus GatewayTreasury Prime
Starting priceFreeOn request
Pricing modelopen-sourcequote
Free tierYesNo
PlatformsLinux, MacOS, BSDAPI, Web
Founded2010Unknown

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 Janus Gateway

  • WebRTC Gateway
  • Media Routing
  • Video Conferencing
  • RTP
  • SRTP
  • REST API
  • Linux support
  • MacOS 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.

Janus Gateway

  • 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 Janus Gateway
  • A fintech that has already chosen its sponsor bank and needs API access to that bank rather than to a middleware layernot Janus Gateway
  • A company that wants deposits spread across several banks for FDIC coverage beyond a single institution limitnot Janus Gateway
  • A bank replacing a fragile middleware arrangement with a structure where it holds the customer contract and the oversight obligationnot Janus Gateway

Where each one falls short

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

Janus Gateway

  • No commercial pricing published; open-source project without official commercial offerings
  • Community-supported only; no vendor commercial support or SLA available

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

Janus Gateway

Free
  • Open SourceFree
    • Core WebRTC gateway
    • 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 Janus Gateway if

  • You need webrtc gateway.
  • You want to start without paying.
  • You work on Linux, MacOS, BSD.
  • You also want media routing.
Janus Gateway 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 Janus Gateway or Treasury Prime better?
Neither clearly leads. Janus Gateway 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, Janus Gateway or Treasury Prime?
Janus Gateway has a free tier; the other does not. Paid plans start at Free for Janus Gateway and On request for Treasury Prime.
Does Janus Gateway or Treasury Prime run on more platforms?
Janus Gateway runs on Linux, MacOS, BSD. Treasury Prime runs on API, Web.
Can I use Janus Gateway for free?
Yes. Janus Gateway has a free tier, so you can try it without paying. Treasury Prime starts at On request.
What is Janus Gateway best used for?
Janus Gateway 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 Janus Gateway do that Treasury Prime cannot?
Janus Gateway covers WebRTC Gateway, Media Routing, Video Conferencing, RTP. Treasury Prime covers BankOS, OneKey Banking, Deposit accounts, Payments.

Answered from the vendors’ own pages

Janus Gateway: How much does Janus Gateway cost?

Janus Gateway has no pricing model; it is a free open-source WebRTC server developed by Meetecho. The general-purpose server is available for download at no cost. There are no subscription tiers or commercial licensing fees.

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.

Janus Gateway: Is Janus Gateway supported commercially?

Janus Gateway is community-supported open-source software with no official commercial support or SLA from the vendors. While Meetecho developed the project, users must rely on community documentation and forums for assistance.

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.

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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