Prove is a technology-based company that specializes in providing phone-centric and API marketplace solutions.


Prove is the modern way for businesses to enable their customers to prove their identities with just a phone. Prove offers phone-centric solutions that enable its customers to acquire new consumers and engage with their existing consumers by removing friction while bolstering security, and enhancing consumer privacy and consumer choice. Prove's solutions are used by more than 1,000 businesses across diversified industries, including banks, financial services, healthcare, insurance, and e-commerce. Prove has two main solutions + MFA: • Prove Pre-fill™ for Onboarding & Digital Acquisition, which helps companies increase signups and mitigate account opening fraud by authenticating consumer identities, and auto-filling verified data in any channel. • Fonebook™ for Digital Servicing, which helps companies: - Access a single identity authentication platform that reduces complexity and total cost of ownership to create a holistic view of your customer across their entire channels - Manage, add, and update customer phone numbers to ensure you always have the right number for your customer Multi-factor Authentication: - Standard SMS & Voice OTPs - Instant Link™ (authenticate through SMS link without needing OTP) - Mobile Auth™ (authentication via cellular networks; passive method for passwordless login) - Voice Biometrics – Match against a consumer’s voice for authentication - Push Authentication – App-based method to prove Possession, can also pull in behavioral biometrics, device (PKI), and environmental (Wi-Fi, Bluetooth, network) signals - Secure transactions across multiple digital servicing use cases, including login, high-risk transactions, call center, and passwordless login


Prove's core mission is centered around revolutionizing digital identity authentication and enhancing security in the tech industry. They strive to empower businesses and individuals by providing a seamless and user-friendly platform for verifying identities, reducing fraud, and streamlining online transactions. By leveraging advanced technology and innovative solutions, Prove aims to foster trust and confidence in the digital world, ultimately transforming the way people interact and conduct business online.

Employee Benefits

  • Competitive salaries & Bonus Plan (for eligible roles) and Equity Plan
  • 401(k) Retirement Plan & Match
  • Comprehensive medical benefits for you and your family
  • Emotional & Physical Wellness – Access to wellness services (EAP, Gympass, Prove Well-Being Reimbursement)
  • Unlimited Vacation and Flexible hours
  • Professional Development Coaching via Bravely
  • Healthy lunches catered and bottomless snacks & beverages for all office locations
  • 12 paid holidays for all global employees
  • A great place to work and connect with other talented Provers like yourself!

Core Values

  • Integrity: Prove values honesty and transparency in all aspects of business, from client relationships to internal operations.
  • Innovation: Prove encourages creative thinking and experimentation to drive growth and success in the digital marketing industry.
  • Collaboration: Prove fosters a team-oriented environment that values open communication, mutual respect, and shared problem-solving.
  • Accountability: Prove takes responsibility for its actions and strives for excellence in all endeavors, holding itself to the highest standards of quality and performance.



 at Prove

Rodger Desai

 at Prove

Tom FitzSimmons

 at Prove

Brad Rosenfeld

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San Francisco, CA
Company Size
Revenue Range
$1M to $10M
Current Status
Work Mode
Open Roles
Hiring Now
Hiring now


Total Funding
Funding Rounds
Num Investors
Work Mode
IPO Status
Funding Stage
Late Stage Venture
Last Funding Date
Last Funding Type
Secondary Market
Hiring Now
Hiring now
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