Upside
Upside is a two-sided commerce platform that connects brick-and-mortar retailers with consumers through personalized cash-back offers on everyday purchases like fuel, groceries, and dining. More than 5 million users have earned over $1B in cash back through its app, while retailers use the Upside Marketplace, Measurement, and Loyalty+ products to drive proven incremental profit. For technology partners, Upside offers a partner-gated, enterprise-ready API that delivers personalized, evergreen offers inside partner apps, though it publishes no public developer portal or self-serve API documentation.
Upside is profiled on the APIs.io network. Tagged areas include Company, Consumer, Cash Back, Rewards, and Loyalty.
Upside’s developer surface includes engineering blog, support, and 12 more developer resources.
Kin Score
Security Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 5
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API