SMS Signature
Signing documents remotely has never been easier. Ondato’s SMS Signature makes secure document signing simple, fast, and fully compliant. Let recipients sign with just a few taps, no apps, no complicated steps. Whether you’re closing deals, onboarding clients, or verifying consent, our SMS Signature solution ensures a seamless experience for both you and your customers.
Trusted by Companies Worldwide
Sign Any Document Online
Enable verified users to sign documents or accept services and plans instantly via SMS. Once a user completes identity authentication, they can simply provide their phone number to receive a secure six-digit PIN code. It’s a simple, fast, and secure way to digitally sign documents anywhere, anytime.
Key Benefits
Effortless for Users
No additional software is required and users can sign documents directly from any device with the use of text messages, reducing friction and improving completion rates.
Secure and Compliant
Built with strong authentication and full process logging, ensuring every text message signature is verified, auditable, and legally valid.
Fully Customizable
A 100% white-label solution that seamlessly integrates with your brand and systems, with fast implementation and flexible setup options.
Global and Accessible
Supports cross-device functionality and process translation into over 190 languages, making document signing accessible to users anywhere in the world.
How Does it Work?
Verify Identity
The user signs in and completes identity verification to ensure secure access.
Initiate Signing
A document is prepared and sent for signing with no extra software or setup needed.
Authenticate via SMS
After reviewing the document, the user enters their phone number and receives a unique six-digit PIN code.
Sign and Record
Entering the correct PIN finalizes the signature. The entire process is encrypted, with detailed logs automatically recorded for compliance.
Why Clients Trust Ondato
"Ondato has aligned perfectly with our priorities. Through direct collaboration and problem-solving, we have formed a mutually beneficial partnership that has improved integration and allowed us to become a digital-first telco provider in the MENA region. With Ondato’s support, we now offer fully online experiences and have established world-leading registration."
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"Ondato is a trusted and valued business partner. Their market leading age and identity verification technology is a key element of OnlyFans safety controls. We enjoy the close working relationship we have with their team and we know that they value our feedback and reflect this in their product roadmap."
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"We take our clients' experience and privacy very seriously, which is why we chose and continue to work with Ondato. We wanted an efficient identity verification solution, and that is exactly what we got. The client onboarding process we now employ is quick, accurate and easy to understand."
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"Working with Ondato has been a game changer for our AML compliance. Ondato lowered the costs, improved the quality and speed of the Player's onboarding. The cooperation with Ondato's Team is something that has them stand out from their competitors, their high-level of responsiveness and solution-oriented mindset in challenging tasks is a real strong suite."
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"As a leading Lithuanian crowdfunding platform, we have been working with Ondato for their identification services and customer onboarding journey. Ondato has allowed us to simplify the client onboarding process and reduce operational costs thanks to its simple and fast integration. We are delighted to be business partners with Ondato."
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"As fully digital bank for SMEs, we have been working with Ondato since the beginning. We are happy to have a reliable and professional partner for our client’s identification services and bank customer on-boarding journey. Ondato enables us to provide fast and seamless application process for EU member citizens and services to our clients."
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"We started to cooperate with Ondato three years ago. We needed an easy to integrate one-stop-shop solution in order to evaluate customers financial information. Budget and timing were very strict, and they just nailed it."
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"Secure identity check, verification and onboarding is one of the cornerstones for digital services and society in general, during the Lighthouse program Ondato has shown their excellence in developing a real solution tackling this problem."
"Ondato KYC solution allowed us to simplify the client’s onboarding process and reduced our operational costs. It was the simplest and fastest integration that we have ever seen, thanks to advising and to the great support of Ondato team."
"As a specialized online loan bank operating exclusively on the Internet, Ondato has enabled us to work with clients who do not have qualified e. signatures and this has helped us to significantly expand the customer base, increase sales and fulfill its vision of a full-digital bank without paper documents."
"Personal data is a core area we work with, so we had three main requirements from Ondato - bank-level security, compliance with GDPR and other international data protection laws and global database coverage. We have got ourselves a very convenient and tailor-made solution."
"By taking advantage of good feedback and working their a***s off, The team at Ondato has made big strides in a short time period. They were able to transition from a fairly basic consumer facing product to a complex business solution that is of high interest to financial institutions and global payments companies."
"For years, Ondato's automatic identification confirmation has been a reliable and efficient solution to ensure our services' security. Besides that, we appreciate their quick response to our needs and willingness to make improvements or upgrades when necessary. They are also very prompt in resolving any issues that may arise."
FAQ
You can sign documents directly from your phone using Ondato’s SMS Signature. Simply verify your identity with a PIN code sent via SMS and approve the document securely.
Yes. SMS-based signatures are compliant and legally binding when combined with verified identity and encrypted confirmation, as in Ondato’s solution.
An e-signature can be applied in various ways. SMS Signature adds an extra identity verification step using a secure SMS PIN, making it safer for regulated industries.
Absolutely. All PIN codes are encrypted, and the signing process is logged for full traceability and compliance with data protection standards.
Businesses that need quick, remote, and compliant document signing, such as banks, fintechs, and service providers verifying clients or agreements.
No, users can sign documents directly from any phone. No extra downloads or accounts are required.