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KYC Verification API and SDKs

KYC API for Developers

Every identity vendor claims integration takes minutes. What decides it is how the SDK behaves on a mid-range Android in bad light, how much it adds to your bundle, and whether the docs answer the question you actually have at 2am.

Microblink ships SDKs from 2.5MB, returns a decision in under three seconds, and runs on-device, in regional cloud, or self-hosted. Read the docs and build against the sandbox before you talk to anyone.

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2.9 Billion
Identities processed in 2025
195+
Countries and territories where we verify identities
<3 seconds
ID Processing Speed

Integration Reality

Where KYC Integrations Go Wrong

"Minutes" Becomes a Quarter

The happy path integrates fast. Then come the edge cases: glare on a laminated licence, an unsupported document from a market you just entered, a webhook that fires twice. Scope creep in identity integrations lives almost entirely in the failure paths.

The SDK Bloats the App

Identity SDKs routinely add tens of megabytes to a mobile bundle. That is a conversation with the mobile team you will lose, and on some markets it measurably costs installs.

Capture Fails on Real Devices

Verification accuracy is quoted on clean images. Production traffic is mid-range handsets, cracked screens, and kitchen lighting—and a capture that fails becomes a retry, which becomes an abandoned signup your API is blamed for.

You Cannot Evaluate It From a Deck

Accuracy claims, uptime numbers, and feature matrices all look the same across vendors. What separates them is whether you can get a key, read the reference, and run a real document through it this afternoon.

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How the API Works in Your Stack

Microblink sits between your capture surface and your onboarding logic. Your application collects the document and selfie, the platform authenticates and cross-matches them, and you receive a structured result your backend can act on without a human in the loop. For the conceptual background rather than the integration detail, see our KYC API glossary entry.

Response Payload

What Actually Comes Back

Deployment Patterns

Before You Commit

The Things That Actually Break Integrations

Our global customers verify people in 195+ countries

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Accelerate ID scanning during KYC verification

First Abu Dhabi Bank partners with Microblink to accelerate ID scanning during KYC verification.

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Build a consumer-permissioned future

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Boost ID processing efficiency by 5x

Discover how BlinkID revolutionized Jurat’s user experience and contributed to their success in the digital notary industry.

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HOW MICROBLINK HELPS

Companies Choose Microblink For

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Customer Onboarding

Quick and accurate ID verification, ensuring a seamless and secure registration process

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KYC/AML Compliance

Meet regulatory requirements with ID document verification and non-documentary signals

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Check-In

Reduce wait times and ensure a smooth entry process with quick ID scanning

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Chargebacks & Payment Card Fraud

Verify identity and prevent unauthorized transactions through secure document scanning

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Stolen Identity/Synthetic Identity Fraud

Detect stolen or synthetic identities with precision and verify IDs to prevent fraudulent account creation and transactions

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Age Verification

Ensure compliance and prevent underage access by instantly verifying customer ages through secure ID scanning

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EXPERTISE BUILT ON AI

The Original Expertise In AI For Identity

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Rooted in 12 years of computer vision R&D

With 12 years of expertise in computer vision R&D, Microblink has been at the forefront of AI-driven identity verification, continuously innovating to deliver fast and accurate solutions.

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Pioneering the use of AI in identity verification

We pioneered AI-driven identity verification, setting the standard for fast, secure, and accurate ID scanning solutions.

In-house machine learning lab

We develop our AI in-house, using proprietary data and a dedicated team of machine learning specialists to ensure unmatched accuracy and performance in identity verification.

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Learn More About Our Solutions

FAQs

How fast can I integrate the KYC API?

How large are the SDKs?

How fast does verification return a result?

Can processing run on-device rather than in the cloud?

What does the API return?

How do I handle verifications that need manual review?