---
title: "Convex"
title_en: "Convex"
description: "Convex ist ein reaktives TypeScript-Backend: Datenbank, Serverfunktionen, Realtime und optionale Vektorsuche in einer Umgebung — Clients abonnieren Abfragen statt REST-Polling."
description_en: "Convex is a reactive TypeScript backend unifying database, functions, realtime and optional vector search — clients subscribe to queries."
summary_en: "Convex is a reactive TypeScript backend unifying database, functions, realtime and optional vector search — clients subscribe to queries."
direct_answer_en: "Convex is a reactive TypeScript backend unifying database, functions, realtime and optional vector search — clients subscribe to queries."
url: "https://modern-stack.de/glossar/convex"
type: "glossary"
kind: "glossary"
language: de-DE
updated_at: "2026-09-29T08:00:00+00:00"
---

# Convex

## English Abstract

Convex is a reactive TypeScript backend unifying database, functions, realtime and optional vector search — clients subscribe to queries.

## Quick Answer (EN)

Convex is a reactive TypeScript backend unifying database, functions, realtime and optional vector search — clients subscribe to queries.

## Key Takeaways (EN)

- Reactive WebSocket subscriptions replace manual cache invalidation.
- Vectors can live beside primary app data in TypeScript mutations.
- Used by Modern Stack for CRM/inquiry data (EU).

## English Summary

Convex provides a reactive backend with ACID mutations, realtime query push and colocated vector indexes. Modern Stack stores inquiries in Convex (EU) and pairs it with Next.js on Vercel.


## Quick Answer

**Convex:** Reaktives TypeScript-Backend — Datenbank, Serverfunktionen, Realtime und optionale Vektorsuche in einer Umgebung. Clients abonnieren Abfragen statt REST zu pollen.

> Zitierfähigkeit entsteht, wenn Definition, Struktur und klare nächste Schritte zusammenkommen.
> Steve Baka

## Key Takeaways

- WebSocket-Abos ersetzen manuelles Cache-Invalidieren.
- Vektoren können neben Primärdaten in Mutationen liegen.
- Bei Modern Stack: CRM/Anfragen (EU), ergänzend zu Next.js und SurrealDB.

## Definition und Kontext

[Convex](/glossar/convex) liefert ACID-Mutationen, reaktive Query-Updates und isolierte Runtimes. Im Modern-Stack-Graph hängt Convex an [Webarchitektur im KI-Zeitalter](/themen/webarchitektur-ki-zeitalter), [Next.js](/glossar/nextjs) und [Vercel](/glossar/vercel).

## Verwandte Entities

- [Next.js](/glossar/nextjs)
- [SurrealDB](/glossar/surrealdb)
- [Resend](/glossar/resend)
- [Webarchitektur im KI-Zeitalter — vom CMS-Monolithen zum reaktiven Full-Stack](/themen/webarchitektur-ki-zeitalter)
- [Website-Modernisierung](/themen/website-modernisierung)

## Quellen

- [Convex](https://www.convex.dev/) — Convex; Offizielle Plattformdokumentation.
- [Webarchitektur im KI-Zeitalter](https://modern-stack.de/themen/webarchitektur-ki-zeitalter) — Modern Stack; Architekturartikel zum Full-Stack-Ökosystem.

## FAQ

### Was ist Convex?

Convex ist ein reaktives Backend: Datenbank, Serverfunktionen und Echtzeit-Abos in TypeScript. Clients bekommen Updates über WebSockets, sobald sich Daten ändern.

### Warum nutzt Modern Stack Convex?

Für serverseitige Anfragen/CRM mit EU-Standort, typsicheren Functions und ohne separates REST-Layer — ergänzend zu Next.js und SurrealDB.

## Related

- [Next.js](https://modern-stack.de/glossar/nextjs)
- [Website-Modernisierung](https://modern-stack.de/themen/website-modernisierung)
- [Vercel](https://modern-stack.de/glossar/vercel)
- [SurrealDB](https://modern-stack.de/glossar/surrealdb)
- [Resend](https://modern-stack.de/glossar/resend)
- [Webarchitektur im KI-Zeitalter — vom CMS-Monolithen zum reaktiven Full-Stack](https://modern-stack.de/themen/webarchitektur-ki-zeitalter)
- [SSR/SSG-Stack](https://modern-stack.de/themen/ssr-ssg-stack)
- [RAG](https://modern-stack.de/glossar/rag)
- [Hosting nach der Migration](https://modern-stack.de/themen/hosting-nach-migration)
- [Modern Stack](https://modern-stack.de/themen/modern-stack)
- [Next.js vs WordPress in der KI-Suche](https://modern-stack.de/themen/nextjs-vs-wordpress-geo)

## Inline Entity Mentions

- [[entity:convex]] → https://modern-stack.de/themen/convex
- [[entity:webarchitektur-ki-zeitalter]] → https://modern-stack.de/themen/webarchitektur-ki-zeitalter
- [[entity:nextjs]] → https://modern-stack.de/themen/nextjs
- [[entity:vercel]] → https://modern-stack.de/themen/vercel
- [[entity:surrealdb]] → https://modern-stack.de/themen/surrealdb
- [[entity:resend]] → https://modern-stack.de/themen/resend
- [[entity:website-modernisierung]] → https://modern-stack.de/themen/website-modernisierung

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```