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APIs · head to head

Column vs Stainless

Column logo

Column

APIs

A nationally chartered US bank that ships its own API, with no middleware in between

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: Column column publishes no pricing whatsoever, so there is no way to model cost before a sales process, and terms are negotiated per programme which favours larger, more sophisticated buyers.; Stainless starter and Pro plan prices are not published and require contacting the company.
  • They diverge on capability: Column covers National bank charter, Stainless covers SDK generation.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Column and Stainless actually diverge.

Attributes where Column and Stainless differ
AttributeColumnStainless
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes

Identical on both: platforms (Web, API), 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 Column

  • National bank charter
  • Direct Federal Reserve access
  • Ledger and accounts
  • International wires
  • Real-time payments
  • Lending
  • Cheque handling
  • Correspondent banking

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.

Column

  • A fintech that has been burned by a middleware provider failing and wants its deposits held by the same entity that provides the APInot Stainless
  • A payments company needing direct Fedwire and Swift access rather than routing through a correspondent it cannot seenot Stainless
  • A lender that wants origination, funding and deposit accounts from one chartered institution instead of three counterpartiesnot Stainless
  • A payroll or treasury platform where same-day settlement certainty matters more than fast onboardingnot Stainless

Stainless

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

Where each one falls short

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

Column

  • Column publishes no pricing whatsoever, so there is no way to model cost before a sales process, and terms are negotiated per programme which favours larger, more sophisticated buyers.
  • Onboarding is bank diligence rather than vendor sign-up, and programmes routinely spend several months on compliance review, flow of funds documentation and volume forecasting before the first live transaction.
  • Column selects its customers and declines many, so the charter advantage is only available to programmes it considers acceptable risk, which excludes most early-stage teams.
  • It is United States only, so any programme with international account or local payment needs must add a second banking relationship and reconcile across both.
  • Being the bank means Column also carries the bank's regulatory constraints, so product changes that affect risk, such as new customer segments or higher-risk flows, need approval rather than a configuration change.

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

Column

On request
  • Column Bank Platform$undefined/year
    • Deposit accounts and ledger
    • ACH, wire, RTP and cheque rails
    • International wires over Swift

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 Column if

  • You need national bank charter.
  • You work on Web, API.
  • You also want direct federal reserve access.
Column 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 Column or Stainless better?
Neither clearly leads. Column 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, Column or Stainless?
Stainless has a free tier; the other does not. Paid plans start at On request for Column and Free for Stainless.
Does Column or Stainless run on more platforms?
Column runs on Web, API. Stainless runs on web, api.
Can I use Stainless for free?
Yes. Stainless has a free tier, so you can try it without paying. Column starts at On request.
What is Column best used for?
Column is most often used for a fintech that has been burned by a middleware provider failing and wants its deposits held by the same entity that provides the api, a payments company needing direct fedwire and swift access rather than routing through a correspondent it cannot see, a lender that wants origination, funding and deposit accounts from one chartered institution instead of three counterparties, a payroll or treasury platform where same-day settlement certainty matters more than fast onboarding. Of those, a fintech that has been burned by a middleware provider failing and wants its deposits held by the same entity that provides the api and a payments company needing direct fedwire and swift access rather than routing through a correspondent it cannot see are not what Stainless is typically brought in for.
What can Column do that Stainless cannot?
Column covers National bank charter, Direct Federal Reserve access, Ledger and accounts, International wires. Stainless covers SDK generation, MCP server generation, Docs site generation, Webhooks and streaming support.

Answered from the vendors’ own pages

Column: Is Column actually a bank?

Yes. It is a nationally chartered, FDIC-insured bank, which is why there is no sponsor bank behind it.

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
Column: How is that different from Synctera or Unit?

Those are technology providers that connect you to a separate sponsor bank. With Column the API provider and the depository institution are the same company.

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
Column: What does Column cost?

Nothing is published. Pricing is negotiated per programme.

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
Column: How long does onboarding take?

Expect months. This is bank-grade diligence on your compliance programme, not a vendor sign-up.

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