Atom was started in 2006 as a subsidiary of the Financial Technologies Group, founded by Jignesh Shah.

[1] NTT DATA, in November 2018 announced that it had entered into an agreement to acquire a majority stake in Atom Technologies.

Atom's payment platform uses Advanced Encryption Standard 128 Bit cipher block chaining for routing transactions using secure VPN connectivity.

Atom does not store any credit card details but acts as a pass-through to the bank's payment gateway for routing transactions.

[5] Atom has tie-ups with major banks[6] apart from credit card companies like Visa Inc., MasterCard, and American Express.