Allow the integration of our API or SDK into your app and let our services do the rest. Explore how we consistently deliver one of the highest verification rates in the industry.
Phone verification must be easier to understand so more people are willing to use it. Just give us a number and we’ll do everything for you - code generation, localize, finding and using the fastest channel, fall back if and when needed.
We have fast delivery, an intelligent failover feature, and we select the optimal channel for reaching out to your customers. Our services complies with the changing carrier and country regulations so all of the messages don't get filtered out.
Failure will cost many resources, including time and money. But with FONE API, only pay if the verification is successful. It works on a flat fee basis, regardless of where your customers are located, and you can monitor all of the costs in real time.
Send verification codes in the fastest way through our channels in real time. It will automatically retry sending a code and failover to voice if needed.
We ensure that all of your messages will comply with the International Standards and remove the complexity of monitoring global carrier and country regulations.
Just give us a phone number! We will detect the number type then select the right channel for you - SMS or voice.
We can detect and block premium, toll-free, and virtual numbers that are used for spam and fraud. The PIN codes that we generate uses the industry standard RFC6238 algorithm that can expire within minutes for maximum protection.
Our system can adapt to native languages and voice accents in regional preferences to maximize verification success.
You can customize or personalize your own message templates. You can also pre-record voice calls and configure the time between retries so you can deliver the user experience that you desire.
Integrate phone numbers with unique mobile device IDs that can detect SIM swaps. Your users will log out automatically after a given period of time and you can enforce re-authentication.
You can save your designs and development resources with a customizable User-Interface that is pre-integrated with verification workflows and have login management on every device.
Our SDK uses push notification features so you can verify your users multiple number of times without additional costs.
You can use alternate login passwords with single use codes that are sent over SMS, voice, or push. Phone number identities let you connect your users from their contacts.
Authenticate and verify unique phone numbers so you can prevent bots, spammers, and card testers more effectively than just captchas or email verification.
Allow additional factors to authenticate users without additional hardware costs or complex integration. We ensure global reach from day one.
Reset passwords in a very secure manner by making users confirm the ownership of their phone number. It can resolve faster and can eliminate additional help desk costs.
Apply out-of-band authentication on a very high-value transaction or when risk score crosses a threshold and eliminate manual reviews.
Balance user acquisition with compliance by phone verifying lower tier customers instead of heavy and long id verification for all users.