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VERIFICATION

Verify user phone numbers quickly and effectively using the Sinch SMS API, Voice, or Flash Call technology (Android only). Phone verification SDKs are available today and ready to be integrated in your Android, iOS and web applications. Pay as you go. No additional monthly fees. No commitments.

COMPETITIVE PRICING

Sinch offers the most competitive and transparent pricing. No hidden fees. No commitments. Pay as you grow. Check out our pricing page for details.

LEARN MORE

DESIGNED FOR DEVELOPERS

It's this easy

android Created with Sketch. Android

apple Created with Sketch. iOS

rest Created with Sketch. REST

Config config = SinchVerification.config().applicationKey(APPLICATION_KEY).context(getApplicationContext()).build();
Verification verification = SinchVerification.createFlashCallVerification(config, phoneNumberInE164, new MyVerificationListener());
verification.initiate();

id verification =
[SINVerification calloutVerificationWithApplicationKey:@"Your Key"
phoneNumber:phoneNumberInE164];
[verification initiateWithCompletionHandler:^(BOOL success, NSError *error) {
...
}];

[POST] https://api.sinch.com/verification/v1/verifications
{
"identity": { "type":"number", "endpoint":"+46700000000" },
"method": "callout"
}

Documentation

The Sinch Verification SDK is currently available for iOS, Android and Javascript platforms. Back-end services such as authorization or data consolidation are also exposed over REST APIs, primarily for back-end to back-end integration.

FEATURES

Native and Web SDK

Reduce development time and maintenance by using the Sinch Verification SDK available on Android, iOS and JavaScript.

Server Integration

With our REST API you can maintain control of phone verification requests, status updates, and notifications. Read more in our Verification API documentation.

SMS and Voice solutions

Setup verification to send users a one-time pin code via SMS or callout with a Voice prompt.

Cross-Platform Verification

The Sinch SDK is currently available for iOS, Android and Javascript platforms. Back-end services such as authorization or data consolidation are also exposed over REST APIs, primarily for back-end to back-end integration.

Flash Call Technology (Android)

This unique solution verifies users while reducing friction in the signup process, available for Android only.

Phone Number Formatting

Our Verification APIs and SDKs help app developers with parsing, formatting and displaying global phone numbers in any app.

CUSTOMER USE CASES Discover More Customer Use cases >

Truecaller, is the mobile app that’s transforming the phonebook with over 100 million users. Two-factor authentication is an essential component of the business, so they turned to Sinch for Flash Call Technology.

“SINCH HAS CREATED A SERVICE THAT HAS BEEN VERY HELPFUL TO OUR COMPANY. IT'S EASY TO INTEGRATE, EASY FOR OUR USERS, AND PROVIDES GREAT RESULTS”

Alan Mamedi
CEO & Founder, Truecaller

Badoo makes it fun to connect with new people locally to chat, date, meet up, or make new friends. Operating in 180 countries, Badoo needed a global verification solution, and found that in Sinch.

Nimbuzz is the popular messaging app company with over 150 million users in 200 countries worldwide. To verify user phone numbers, flash call verification perfectly met their needs.

“SINCH PROVIDES A HIGH QUALITY PRODUCT AND SUPERIOR LEVEL OF CUSTOMER SERVICE THAT ALLOWS FOR AN INCREDIBLY SMOOTH INTEGRATION"

Sharad Sharma
Sr. Product Manager, Nimbuzz