Project · 2026
Nexum
Membership infrastructure for the internet — an API-first platform for brands to launch, manage, and scale programmable membership programs without rebuilding the plumbing every time.
Every business with recurring relationships — airlines, gyms, retail, fintech, DTC, SaaS — eventually builds a membership program. Each time, the same six to twelve months of engineering is spent rebuilding the same primitives: tier qualification logic, rolling-window rules, benefit fulfillment, event ingestion at scale, webhook delivery, progress tracking. The off-the-shelf options are either rigid (points-only, Shopify-only) or half-solutions (no tiers, no composite rules).
Nexum is the layer underneath: programmable APIs for programs, tiers,
qualification rules, benefits, and redemptions, with a typed Node SDK and
a partner dashboard. The intellectual core is a pure tier-engine package
— no DB, no HTTP, no side effects — that takes member events and returns
evaluation results. Event ingestion is synchronous and fast; tier
evaluation and webhook dispatch run async through BullMQ workers backed by
Redis. The API server, the engine, and the SDK share a single typed
shared package as source of truth.
Think of it as what Stripe is to payments, applied to membership.