Verification

Reduce fraud and friction across every onboarding flow

Adaptive OTP delivery and phone intelligence signals that increase verification success rates while blocking fraudulent accounts before they reach your platform.

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Safaricom MTN Vodacom Flutterwave Jumo

Why Katembe Verification

Verification built for conversion and security

Adaptive OTP delivery

Select the optimal channel — SMS, WhatsApp, or voice — based on user activity patterns and delivery history.

Phone intelligence

Check SIM age, activity signals, and risk heuristics before committing to onboarding or payout decisions.

Up to 12% higher success

Intelligent timing and channel selection reduce expiry-related drop-off in verification flows.

Fraud prevention

Identify VoIP numbers, SIM swaps, and disposable lines before they reach your application.

OTP

One-time codes that reach every user on the right channel

Issue short-lived OTP codes across SMS, WhatsApp, and voice from a single API. Katembe selects the best channel and timing for each user — reducing drop-off without any changes to your integration.

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Identity

Stop fraud before it reaches your platform

Phone number intelligence adds risk signals to your onboarding decisions — SIM age, line type, activity history, and carrier validation — so you can approve good users faster and block bad actors earlier.

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Simple integration

Send an OTP and verify the response in two calls

The verification API handles code generation, expiry, and attempt limits. No state management required on your side — just send and check.

Read the verification API reference

curl -X POST https://api.katembe.io/v1/verifications/otp \
  -H "Authorization: Bearer <api_key>" \
  -d "to=+258840000000" \
  -d "channel=sms"

"Katembe's adaptive OTP delivery improved our verification success rate by 12% in markets where SMS delivery is inconsistent. The identity checks stopped a fraud wave before we even noticed it."

Ngozi Adeyemi VP Product, Flutterwave

Pricing

Pay per verification, not per attempt

Simple per-verification pricing with no setup fees. Volume discounts available for high-throughput onboarding flows.

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