ToneTag

ToneTag builds payment technology that sends data through sound. The company was formed in Bangalore and offers software that can be added to existing hardware, so it works across devices and platforms.

What ToneTag offers

• Proximity payments — a customer pays simply by being close to the payment terminal.
• Sound-based data transfer — a software protocol that moves payment data between devices.
• Voice and agent payments — lets voice assistants and chatbots complete transactions for users.
• Edge payment devices — on-device authentication and encryption for smart devices, with payment data kept local.
• Payment SDKs and UPI acceptance — tools for merchants and businesses across India.

Who it works with

Small merchants in remote areas up to large multinational companies, in payments, retail, transit, quick-service restaurants and mobility.

Key facts

• Based in: Bangalore, India
• Founded: 2013
• Security: several layers of protection, as stated by the company