Castle
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Castle Alternatives

An alternative to Castle is another embedded-finance and banking-infrastructure vendor to compare for APIs, go-to-market story, and customer proof. We list 10 peers here so you can shortlist without building a full market map from scratch. It is like comparing analytics tools: the category is shared, but depth, regions, and pricing differ.

Looking for Castle Alternatives?

Castle is a leading embedded finance platform offering identity-verification solutions. Account security and fraud prevention platform using device intelligence and behavioral signals to detect account takeover, bot attacks, and fake acco...

Below we've compiled the top 10 alternatives to Castle, ranked by feature similarity and market focus. Whether you're looking for different pricing, geographic coverage, or specific API capabilities, this comparison will help you find the right embedded finance partner for your platform.

10
Alternatives Found
1
Categories Compared
2
Target Markets
0
API Products

Top Castle Alternatives

1
SentiLink
SentiLink
United States

Identity fraud detection platform specializing in synthetic and first-party fraud prevention for banks, fintechs, and credit unions during account ope...

identity-verification
2
authID
authID
United States

Biometric identity verification platform providing facial recognition, liveness detection, and document authentication for secure digital onboarding a...

identity-verification
3
Inscribe
Inscribe
United States

AI document fraud detection platform helping lenders and fintechs identify manipulated bank statements, pay stubs, and tax documents during underwriti...

identity-verification
4
Onfido (Entrust)
Onfido (Entrust)
United Kingdom
Est. 2012

AI-powered identity verification platform providing document verification, biometric checks, and fraud detection for digital onboarding and KYC compli...

identity-verificationKYC/KYBCompliance
5
IDEMIA
IDEMIA
France

Global identity technology company providing biometric authentication, secure payment cards, digital identity solutions, and mobile credential platfor...

identity-verification
6
Plaid
Plaid
United States
Est. 2013

Account linking and data platform that connects consumers' bank accounts to thousands of apps and services. Plaid's APIs provide the secure connectivi...

identity-verificationaccount-linkingOpen Banking
7
Footprint
Footprint
United States
Est. 2021

One-click identity verification and KYC/KYB platform. Footprint enables users to verify once and share their identity across platforms, reducing onboa...

identity-verificationComplianceKYC/KYB
8
Klippa (Doxis DocHorizon)
Klippa (Doxis DocHorizon)
Netherlands
Est. 2015

Intelligent document processing and embedded expense infrastructure (now part of Doxis / SER Group). DocHorizon exposes OCR, IDP, classification, frau...

identity-verificationExpense ManagementSpend Management
9
Stripe Treasury
Stripe Treasury
United States
Est. 2010

Banking-as-a-Service API from Stripe enabling platforms to embed financial services. Treasury provides FDIC-insured accounts, card issuing, and money ...

Banking-as-a-ServicePayments
10
Stripe Issuing
Stripe Issuing
United States
Est. 2018

Card issuing platform from Stripe for launching virtual and physical commercial card programmes. Customise card designs, set dynamic spend controls, a...

Card IssuingVirtual Cards

Feature Comparison

FeatureCastle
Current
SentiLinkauthIDInscribeOnfido (Entrust)IDEMIA
Headquarters
United States
United States
United States
United States
United Kingdom
France
Founded2012
Clients
API Products4
DeploymentCloud, SaaSCloud, SaaSCloud, SaaSCloud, SaaSCloud, SaaSCloud, SaaS
Developer Docs
Public CompanyPrivatePrivatePrivatePrivatePrivatePrivate

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