Glossary

O

Fintech terms starting with O.

Explore fintech definitions beginning with O — including open banking, omnichannel payments, and overdraft facilities. Open finance concepts dominate this section of the glossary.

© 2026 Rain Technologies Inc.

Company
About us
Events
Press
Careers
Privacy notice
Terms of service
Disclosures
Resources
Blog
What is EWA?
Turnover Cost Calculator
Buyer's toolkit
Provider guide
Help desk
Glossary
Rain for
Employers
Employees
Rain Technologies Inc. is not a bank. Rain Technologies Inc. is a financial technology company, and provides these disclosures on behalf of itself and its affiliates. Banking services are provided by Pathward, National Association, Member FDIC. Other types of banking services are provided to select customers by Evolve Bank & Trust, Member FDIC.  The FDIC provides deposit insurance to protect your money in the event of a bank failure. Learn more about deposit insurance.

Rain Technologies Inc. is registered with the California DFPI under the CCFPL with registration number 04-CCFPL-2623400-3635550.
Rain Technologies Inc. NMLS ID: 2623400.



Services are provided by Rain Technologies Inc. NMLS# 2623400. This licensed company may be verified through the NMLS Consumer Access website, available at https://www.nmlsconsumeraccess.org.