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APIs · head to head

Column vs Thunder Client

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
Thunder Client logo

Thunder Client

APIs

Lightweight REST API client built as VSCode extension

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Thunder Client 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.; Thunder Client paid plans are billed annually only: Starter is $3 per user per month and capped at a maximum of 10 seats, Business is $7 per user per month with 500 monthly collection runs per user, and Enterprise is $16 per user per month for unlimited runs
  • They diverge on capability: Column covers National bank charter, Thunder Client covers REST Client.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Column and Thunder Client actually diverge.

Attributes where Column and Thunder Client differ
AttributeColumnThunder Client
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
PlatformsWeb, APIVSCode extension, Web
FoundedUnknown2021

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 Column

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

Only in Thunder Client

  • REST Client
  • Environment variables
  • Response testing
  • VSCode
  • GitHub
  • Webhook support
  • VSCode extension support
  • Web support

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 Thunder Client
  • A payments company needing direct Fedwire and Swift access rather than routing through a correspondent it cannot seenot Thunder Client
  • A lender that wants origination, funding and deposit accounts from one chartered institution instead of three counterpartiesnot Thunder Client
  • A payroll or treasury platform where same-day settlement certainty matters more than fast onboardingnot Thunder Client

Thunder Client

  • API Developmentnot Column
  • API Gatewaynot Column
  • API Testingnot Column
  • API Documentationnot Column
  • Microservicesnot 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.

Thunder Client

  • Paid plans are billed annually only: Starter is $3 per user per month and capped at a maximum of 10 seats, Business is $7 per user per month with 500 monthly collection runs per user, and Enterprise is $16 per user per month for unlimited runs

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

Thunder Client

Free
  • FreeFree
    • REST client
    • Collection management
    • Local testing
  • Pro$8/monthly
    • Cloud sync
    • Team collaboration
    • Advanced features

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 Thunder Client if

  • You need rest client.
  • You want to start without paying.
  • You work on VSCode extension, Web.
  • You also want environment variables.
Thunder Client review

Questions people ask

Is Column or Thunder Client better?
Neither clearly leads. Column starts at On request and Thunder Client at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Column or Thunder Client?
Thunder Client has a free tier; the other does not. Paid plans start at On request for Column and Free for Thunder Client.
Does Column or Thunder Client run on more platforms?
Column runs on Web, API. Thunder Client runs on VSCode extension, Web.
Can I use Thunder Client for free?
Yes. Thunder Client 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 Thunder Client is typically brought in for.
What can Column do that Thunder Client cannot?
Column covers National bank charter, Direct Federal Reserve access, Ledger and accounts, International wires. Thunder Client covers REST Client, Environment variables, Response testing, VSCode.

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.

Thunder Client: How much does Thunder Client cost?

Thunder Client publishes a free plan at no cost, then Starter at $3, Business at $7 and Enterprise at $16, all priced annually.

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.

Thunder Client: Is Thunder Client free?

Yes, there is a free plan. It is used through the Thunder Client extension for VS Code, available from the marketplace, with limits applied compared with the paid tiers.

Source
Column: What does Column cost?

Nothing is published. Pricing is negotiated per programme.

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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