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APIs · head to head

Flybits vs Thunder Client

Flybits logo

Flybits

APIs

Contextual personalisation and decisioning platform for financial institutions

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: Flybits its output quality depends entirely on the completeness and accuracy of the underlying bank data it is fed, so a bank with fragmented or poor-quality customer data gets correspondingly weak personalisation.; 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: Flybits covers Contextual decisioning engine, Thunder Client covers REST Client.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

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

Attributes where Flybits and Thunder Client differ
AttributeFlybitsThunder 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 Flybits

  • Contextual decisioning engine
  • Non-technical configuration
  • Agentic Banking capability
  • Customer data unification
  • Card-linked offers
  • Real-time insight delivery

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.

Flybits

  • A bank wanting to move from generic segment-based marketing to individually contextual offers and messagesnot Thunder Client
  • A product team wanting to configure personalisation rules without needing engineering support for every changenot Thunder Client
  • A bank wanting card-linked contextual offers tied to transaction datanot Thunder Client
  • A financial institution exploring an agentic AI interaction layer across cards, loans and depositsnot Thunder Client

Thunder Client

  • API Developmentnot Flybits
  • API Gatewaynot Flybits
  • API Testingnot Flybits
  • API Documentationnot Flybits
  • Microservicesnot Flybits

Where each one falls short

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

Flybits

  • Its output quality depends entirely on the completeness and accuracy of the underlying bank data it is fed, so a bank with fragmented or poor-quality customer data gets correspondingly weak personalisation.
  • The newer Agentic Banking capability is recent enough that long-term reliability, accuracy and customer trust data at scale are still limited compared with its longer-established contextual decisioning engine.
  • Pricing is not published, requiring a licensing negotiation per institution.
  • As with Meniga, it is a white-label layer rather than a consumer-facing brand, making independent reputation and reliability harder for a prospective bank client to verify directly.
  • Expanding from a rules-based personalisation engine into agentic AI interaction is a significant scope and complexity increase, and a bank evaluating it today should confirm which capabilities are mature and in production versus newly launched.

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

Flybits

On request
  • Flybits$undefined/year
    • Pricing not published, licensed per financial institution deployment

Thunder Client

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

Which should you pick?

Choose Flybits if

  • You need contextual decisioning engine.
  • You work on Web, iOS, Android.
  • You also want non-technical configuration.
Flybits 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 Flybits or Thunder Client better?
Neither clearly leads. Flybits 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, Flybits or Thunder Client?
Thunder Client has a free tier; the other does not. Paid plans start at On request for Flybits and Free for Thunder Client.
Does Flybits or Thunder Client run on more platforms?
Flybits 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. Flybits starts at On request.
What is Flybits best used for?
Flybits is most often used for a bank wanting to move from generic segment-based marketing to individually contextual offers and messages, a product team wanting to configure personalisation rules without needing engineering support for every change, a bank wanting card-linked contextual offers tied to transaction data, a financial institution exploring an agentic ai interaction layer across cards, loans and deposits. Of those, a bank wanting to move from generic segment-based marketing to individually contextual offers and messages and a product team wanting to configure personalisation rules without needing engineering support for every change are not what Thunder Client is typically brought in for.
What can Flybits do that Thunder Client cannot?
Flybits covers Contextual decisioning engine, Non-technical configuration, Agentic Banking capability, Customer data unification. Thunder Client covers REST Client, Environment variables, Response testing, VSCode.

Answered from the vendors’ own pages

Flybits: Does Flybits require engineering support to run campaigns?

No, it is designed so marketing and product teams can configure personalisation rules directly.

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
Flybits: What is Agentic Banking?

A newer Flybits capability introducing AI agents as an interaction layer unifying cards, loans and deposits into conversational banking experiences.

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
Flybits: Is pricing published?

No, it is licensed per financial institution and requires a quote.

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