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APIs · head to head

Episode Six vs Stainless

Episode Six logo

Episode Six

APIs

Payment processing and ledger platform deployable on premise or in your own cloud

From
On request
Rated
-
Full reviewWebsite
Stainless logo

Stainless

APIs

Generates client SDKs, API docs, and MCP servers from an OpenAPI spec

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Stainless has a free tier, so it costs nothing to try first.
  • Each has a real cost: Episode Six deployment on premise or in a private tenancy means the institution carries infrastructure, upgrade and PCI scope work that a hosted processor would absorb.; Stainless starter and Pro plan prices are not published and require contacting the company.
  • They diverge on capability: Episode Six covers Tritium API platform, Stainless covers SDK generation.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Episode Six and Stainless actually diverge.

Attributes where Episode Six and Stainless differ
AttributeEpisode SixStainless
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
PlatformsWeb, API, On-premiseweb, api

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 Episode Six

  • Tritium API platform
  • Flexible deployment
  • Multi product issuing
  • Digital wallets
  • Multi currency ledger
  • Network connectivity
  • Configurable product engine
  • Institutional controls

Only in Stainless

  • SDK generation
  • MCP server generation
  • Docs site generation
  • Webhooks and streaming support
  • Automated unit tests
  • Git integration

What people use each for

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

Episode Six

  • A bank in a jurisdiction with data residency rules that forbid processing customer data in a shared multi tenant cloudnot Stainless
  • A large institution replacing a legacy card processor without moving off its own infrastructurenot Stainless
  • A telco or airline launching a branded wallet and card product at national scalenot Stainless
  • A bank running prepaid, debit and credit products that wants them on one ledger rather than three processorsnot Stainless

Stainless

  • Generating typed SDKs for a public APInot Episode Six
  • Producing an MCP server from an existing OpenAPI specnot Episode Six
  • Building an API documentation site alongside client librariesnot Episode Six
  • Giving open-source APIs a free SDK generation pathnot Episode Six

Where each one falls short

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

Episode Six

  • Deployment on premise or in a private tenancy means the institution carries infrastructure, upgrade and PCI scope work that a hosted processor would absorb.
  • Implementation runs to quarters and involves core banking, network certification and fraud system integration, so time to first card is far longer than with a self serve issuer processor.
  • Pricing is entirely bespoke and weighted to large programmes, which prices out fintechs and small issuers who would be better served by a hosted platform.
  • Being smaller than the incumbent processors, its network certifications and operational presence vary by region, so a global rollout can find gaps in specific markets.
  • The flexibility of six hundred APIs and a configurable product engine shifts design responsibility onto the buyer, and institutions without strong internal payments architects end up dependent on professional services.

Stainless

  • Starter and Pro plan prices are not published and require contacting the company.
  • The free plan caps APIs at 25 endpoints, which excludes larger production APIs.
  • Overage charges apply per SDK/endpoint/month once limits are exceeded, which can make costs unpredictable at scale.

Pricing, plan by plan

Episode Six

On request
  • Tritium platform$undefined/year
    • Licence and implementation quoted per institution
    • Deployment model affects cost materially: on premise, private cloud or hosted
    • Processing fees typically per transaction or per active card

Stainless

Free
  • FreeFree
    • Up to 5 generators (SDKs, docs, or MCP servers)
    • 5 seats
    • APIs with 25 or fewer endpoints
  • Starter$undefined/mo
    • Unlimited generators
    • Expanded seats
    • Private SDKs of any size
  • Pro$undefined/mo
    • Custom enterprise features and pricing
  • Enterprise$undefined/mo
    • Dedicated support
    • SOC 2 compliance reports
    • Purchase order/invoicing with negotiable terms

Which should you pick?

Choose Episode Six if

  • You need tritium api platform.
  • You work on Web, API, On-premise.
  • You also want flexible deployment.
Episode Six review

Choose Stainless if

  • You need sdk generation.
  • You want to start without paying.
  • You work on web, api.
  • You also want mcp server generation.
Stainless review

Questions people ask

Is Episode Six or Stainless better?
Neither clearly leads. Episode Six starts at On request and Stainless at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Episode Six or Stainless?
Stainless has a free tier; the other does not. Paid plans start at On request for Episode Six and Free for Stainless.
Does Episode Six or Stainless run on more platforms?
Episode Six runs on Web, API, On-premise. Stainless runs on web, api.
Can I use Stainless for free?
Yes. Stainless has a free tier, so you can try it without paying. Episode Six starts at On request.
What is Episode Six best used for?
Episode Six is most often used for a bank in a jurisdiction with data residency rules that forbid processing customer data in a shared multi tenant cloud, a large institution replacing a legacy card processor without moving off its own infrastructure, a telco or airline launching a branded wallet and card product at national scale, a bank running prepaid, debit and credit products that wants them on one ledger rather than three processors. Of those, a bank in a jurisdiction with data residency rules that forbid processing customer data in a shared multi tenant cloud and a large institution replacing a legacy card processor without moving off its own infrastructure are not what Stainless is typically brought in for.
What can Episode Six do that Stainless cannot?
Episode Six covers Tritium API platform, Flexible deployment, Multi product issuing, Digital wallets. Stainless covers SDK generation, MCP server generation, Docs site generation, Webhooks and streaming support.

Answered from the vendors’ own pages

Episode Six: Can Episode Six run inside our own data centre?

Yes. On premise and private cloud deployment is the main reason banks choose it over hosted only processors.

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

Yes. The Free plan supports up to 5 generators, 5 seats, APIs with 25 or fewer endpoints, and 100 preview builds per month, with email support.

Source
Episode Six: Is it suitable for a startup issuing its first cards?

Not really. The licence, implementation timeline and cost are aimed at banks and large institutions.

Stainless: Who owns the generated SDK code?

The generated SDK code is owned by the customer and published by Stainless under the Apache 2.0 license.

Source
Episode Six: Do we still need a card licence or sponsor?

Yes. Episode Six is a processor. Network membership, licensing or a sponsor arrangement remains your responsibility.

Stainless: What happens if I exceed my plan's endpoint limit?

Customers exceeding their endpoint limits are billed per SDK, per endpoint, per month for the overage.

Source
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