Banking-as-a-Service APIs

Popular first highlights editorial picks, then ranks providers by monthly downloads of their official SDKs on npm and PyPI (measured 2026-10-18). Others follow A–Z.

Unit

258.5K SDK downloads/moView API profile →

Increase

161.2K SDK downloads/moView API profile →

11:FS Foundry

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Alkami

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Appway

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Arkéa Banking Services (ABS)

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Bankable

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BankiFi

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Cambr

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Contis

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Cross River

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Embed

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Fidor Bank

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finleap connect

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finto.io

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Grasshopper Bank

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Griffin

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Griffin

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Highway

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Jack Henry Banking

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Mambu

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Mbanq

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Modularbank

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Narmi

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Nextbank

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Nymbus

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NymCard

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OMNIO

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OpenPayd

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Pocosys

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Q2

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Railsbank

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Raisin Bank

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RootAnt

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solarisBank

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Sopra Banking Software

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Starling-as-a-Service

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Stripe Treasury

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Treasury Prime

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Treezor

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Vodeno

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Weavr.io

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XUP Payments

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Counts reflect unique named profiles assigned to this category. Documentation and integration details vary by provider.