Upstash

Serverless Redis and Kafka.

Best for: Serverless and edge applications that need fast caching or messaging without managing Redis clusters.

Free plan

4.5/5Editorial score 88/100upstash.com

Entry plan

Free

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Editorial score88/100

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The editorial note

What to know about Upstash

Upstash is a serverless data platform providing Redis, Kafka, and vector database services with a per-request pricing model perfectly suited for serverless and edge applications. Unlike traditional Redis requiring always-on servers, Upstash scales to zero when not in use — charging only for actual operations — making it cost-effective for serverless functions on Vercel, Cloudflare Workers, and AWS Lambda. Used by developers building rate limiting, caching, session management, and real-time features in serverless architectures.

Is it right for you?

Who Upstash suits

Choose it if

Serverless and edge applications that need fast caching or messaging without managing Redis clusters.

Look elsewhere if

High-throughput production applications with predictable traffic patterns — dedicated Redis (Redis Cloud, ElastiCache) provides better performance and cost economics at consistent high-volume request rates than per-request serverless pricing

What you get

Key features

Serverless Redis
Serverless Kafka
Vector database
Global replication
Per-request pricing
REST API
Redis compatibility
Rate limiting helpers

Works with

Integrations8

VercelCloudflare WorkersNext.jsRemixAstroAWS LambdaDeno Deploy Fly.io

What it costs

Pricing

Upstash pricing plans
Plan	Price	What it includes
Free	FreeBilled monthly	Redis: 256MB, 10k commands/day; Kafka: 10k messages/day; QStash: 500 messages/day
Pay-as-you-go	From $0.2 / 100k commandsBilled monthly	Redis from $0.20/100k commands, Kafka from $0.6/100k messages, serverless billing
Pro	Dedicated from $250/moBilled monthly	Dedicated clusters, higher throughput, better latency, enterprise support

Prices are recorded from the vendor's public pricing page and can change. Check before you buy.

The trade-off

Pros and cons

Pros

True serverless pricing — pays per request and scales to zero when idle, no server costs during downtime
Global replication with edge locations brings Redis close to Cloudflare Worker and Vercel Edge deployments
Redis compatibility means existing Redis tooling and client libraries work without modification
Generous free tier — 10,000 daily commands makes it suitable for side projects at no cost
Upstash Kafka enables event streaming for serverless without managing Kafka clusters

Cons

Per-request pricing becomes expensive at very high throughput compared to a dedicated Redis instance
Connection limits are lower than self-managed Redis for high-concurrency applications
Not suitable for extremely low-latency requirements where a dedicated Redis in the same region wins
Kafka feature is less mature than dedicated managed Kafka offerings like Confluent

Quick read

At a glance

Category: Development & Coding
Pricing model: Freemium
Entry plan: Free
Free plan: Available
Free trial: Not listed
Website: upstash.com

The verdict

Our take on Upstash

Upstash is the right choice for serverless and edge applications that need fast caching or messaging without managing Redis clusters. Pay per request not per hour with natural integration with Vercel and Next.js, making it one of the stronger options in its category. The main caveat: not suitable for high-throughput persistent workloads that need always-on Redis. It is free to start with paid upgrades, so factor that into your evaluation.

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