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SentiLink

Provider
KYC

Embedded-finance provider tracked in the Embedded Finance Index — disclosed by 2 companies across 1 category.

sentilink.com ↗Also analysed as a company — its own stack →Open Banking Tracker profile ↗
CategoriesKYC
Rank#48 of 66 in KYC
Buyers2 companies
HeadquartersSan Francisco, California, United States
Founded2017
FoundersNaftali Harris, Max Blumenfeld
Raised$84M

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Founders & story · from SentiLink’s own dossier

SentiLink was launched in 2017 by two early Affirm employees (Naftali Harris and Max Blumenfeld) after they encountered synthetic identity fraud at scale in Affirm's lending flow. The company built the first commercial synthetic-fraud score and became the first organization to use the Social Security Administration's eCBSV service. It has since expanded from a single synthetic-fraud score into a broader identity/fraud suite (ID Theft Score, First-Party Fraud, PII Risk Scores, Facets, Intercept, ID Complete, Treasury Check Verification) serving 300+ US financial institutions.

Latest round: Series B
Recent developments
  • 2025-08Submitted comments to House Financial Services Committee on federal consumer financial data privacy legislation source ↗
Full dossier: SentiLink’s own stack, layer by layer →
Who uses SentiLink
2 companies disclose SentiLink in their stack
PersonaCardless
Buyer mix · 2 of 2 classified
Infrastructure / Card issuing · 1Infrastructure / KYC · 1
US · 2
What the disclosures say
Persona
“Its Marketplace help page enumerates data-partner integrations that enrich its verification flows: SentiLink for synthetic fraud, Mastercard Identity (Ekata) for identity data, Chainalysis for crypto AML, and MX for financial data.”
Cardless
“SentiLink publicly lists Cardless as a customer at https://resources.sentilink.com/auto-lending-case-study (TIER 1 — known customer listing).”
View source · resources.sentilink.com ↗
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What SentiLink runs on · from its own dossier
The third-party providers SentiLink itself discloses, layer by layer — the vendor as a buyer. Distinct from the companies above that disclose SentiLink.
Lending
affirm
Full dossier with evidence for each layer →
Alternatives to SentiLink

Other KYC providers in the index, by the number of companies that disclose them. A count of public disclosures, not a ranking of the products.

Sumsub43 buyers →Persona36 buyers →Veriff35 buyers →Onfido34 buyers →Stripe24 buyers →Socure23 buyers →Alloy21 buyers →footprint21 buyers →
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An embeddable badge for SentiLink’s own site — it always shows this page’s current rank, so it stays accurate as new disclosures land. States its own denominator; never claims a number this page doesn’t.

Ranked #48 of 66 in KYC — Embedded Finance Index 2026
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<a href="https://www.embeddedfinanceindex.com/vendors/sentilink?ref=badge">
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       alt="Ranked #48 of 66 in KYC — Embedded Finance Index 2026">
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SentiLink — frequently asked

Which companies use SentiLink?

2 companies are linked to SentiLink in the Embedded Finance Index 2026, through their own public disclosures or SentiLink's published customer list, including Persona and Cardless.

What does SentiLink do?

SentiLink is an embedded-finance provider in KYC. It ranks #48 of 66 KYC providers by linked companies.

What are the alternatives to SentiLink?

The most-named KYC alternatives to SentiLink are Sumsub (43 buyers), Persona (36 buyers), Veriff (35 buyers), Onfido (34 buyers), Stripe (24 buyers) and Socure (23 buyers).

Who founded SentiLink?

SentiLink was founded by Naftali Harris and Max Blumenfeld and is founded in 2017, headquartered in San Francisco, California, United States.

How much funding has SentiLink raised?

SentiLink has raised $84M in total.

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