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APIs · head to head

Backbase vs Thunder Client

Backbase logo

Backbase

APIs

Digital and AI-native engagement banking platform for customer-facing banking experiences

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: Backbase pricing scales with assets under management and AI API calls, meaning cost grows as the bank itself grows and adopts more AI features, which is a less predictable cost curve than a flat per-seat model.; 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: Backbase covers Digital banking front end, Thunder Client covers REST Client.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

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

Attributes where Backbase and Thunder Client differ
AttributeBackbaseThunder Client
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
PlatformsWeb, iOS, AndroidVSCode 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 Backbase

  • Digital banking front end
  • Digital onboarding
  • Customer engagement workflows
  • AI-native banking OS positioning
  • Core-agnostic integration
  • Small business banking modules

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.

Backbase

  • An established bank wanting to modernise its digital customer experience without replacing its core banking systemnot Thunder Client
  • A credit union wanting purpose-built digital onboarding and servicing workflowsnot Thunder Client
  • A newer bank wanting an engagement layer built for AI-driven interaction from the outsetnot Thunder Client
  • A bank consolidating several separate digital banking front ends into one platform across retail and business bankingnot Thunder Client

Thunder Client

  • API Developmentnot Backbase
  • API Gatewaynot Backbase
  • API Testingnot Backbase
  • API Documentationnot Backbase
  • Microservicesnot Backbase

Where each one falls short

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

Backbase

  • Pricing scales with assets under management and AI API calls, meaning cost grows as the bank itself grows and adopts more AI features, which is a less predictable cost curve than a flat per-seat model.
  • It sits above, not instead of, a core banking system, so adopting it does not reduce a bank's overall vendor count or technology complexity; it adds a specialised layer.
  • As with any customer-facing banking platform, an outage or performance issue directly affects the bank's customers, so the operational stakes of vendor reliability are high.
  • Implementation for a large bank spans multiple modules and integration points, and realistic timelines run well beyond a simple software rollout.
  • Pricing opacity means a bank cannot benchmark Backbase against competing engagement banking platforms without engaging each vendor's own sales process separately.

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

Backbase

On request
  • Backbase$undefined/year
    • Pricing scales with users, modules, assets under management and AI API calls
    • Custom quote required, not published

Thunder Client

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

Which should you pick?

Choose Backbase if

  • You need digital banking front end.
  • You work on Web, iOS, Android.
  • You also want digital onboarding.
Backbase 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 Backbase or Thunder Client better?
Neither clearly leads. Backbase 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, Backbase or Thunder Client?
Thunder Client has a free tier; the other does not. Paid plans start at On request for Backbase and Free for Thunder Client.
Does Backbase or Thunder Client run on more platforms?
Backbase runs on Web, iOS, Android. 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. Backbase starts at On request.
What is Backbase best used for?
Backbase is most often used for an established bank wanting to modernise its digital customer experience without replacing its core banking system, a credit union wanting purpose-built digital onboarding and servicing workflows, a newer bank wanting an engagement layer built for ai-driven interaction from the outset, a bank consolidating several separate digital banking front ends into one platform across retail and business banking. Of those, an established bank wanting to modernise its digital customer experience without replacing its core banking system and a credit union wanting purpose-built digital onboarding and servicing workflows are not what Thunder Client is typically brought in for.
What can Backbase do that Thunder Client cannot?
Backbase covers Digital banking front end, Digital onboarding, Customer engagement workflows, AI-native banking OS positioning. Thunder Client covers REST Client, Environment variables, Response testing, VSCode.

Answered from the vendors’ own pages

Backbase: Does Backbase replace our core banking system?

No, it is a customer engagement layer that sits above and integrates with an existing core banking system.

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
Backbase: How does pricing work?

It scales with factors including number of users, modules implemented, assets under management and AI API calls; exact numbers require a quote.

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
Backbase: Is it suited to business as well as retail banking?

Yes, it includes modules specifically for small business banking engagement alongside retail.

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