Colophon

How we build.

Our architecture philosophy and the principles behind CheckUpstream. We care about type safety, edge performance, and reliability at every layer.

Language

TypeScript

End-to-end type safety across the stack

React

Component-based UI

Architecture

Monorepo

Shared packages, single source of truth

Edge-first

Distributed compute close to your users

Type-safe APIs

Full-stack type inference, no code generation

Database

Distributed SQL

Low-latency reads at the edge

Type-safe ORM

Schema-driven queries with zero runtime overhead

Reliability

Error tracking

Real-time alerts with full stack traces

Performance monitoring

Core web vitals and API latency

Infrastructure

Edge hosting

Serverless functions with global distribution

Distributed workers

Health-check probes across multiple regions

Rate limiting

Serverless key-value store at the edge

SDKs

TypeScript

Node.js, Deno, Bun

Python

pip install checkupstream

go get github.com/checkupstream/sdk-go

PHP

Composer package

Ruby

RubyGem

Rust

Cargo crate

Java

Maven Central

.NET

NuGet package

Made by humans.

CheckUpstream is built by a small team that cares about reliability. We think your software deserves to know when its dependencies break.

humans.txt