Upstash Has a Free API You Should Know About

Upstash provides serverless Redis and Kafka with per-request pricing. No servers to manage, no idle costs — you pay only for what you use.

Why Upstash is Perfect for Serverless

A developer using Vercel serverless functions needed rate limiting. Traditional Redis required a persistent connection — impossible with serverless. Upstash's HTTP-based Redis worked perfectly with zero connection overhead.

Key Features:

• Serverless Redis — HTTP-based, no persistent connections needed
• Global Replication — Multi-region for low-latency reads
• Per-Request Pricing — Pay only for commands you execute
• REST API — Works from edge functions, serverless, and browsers
• Free Tier — 10,000 commands/day, 256MB storage

Quick Start

npm install @upstash/redis

import { Redis } from "@upstash/redis"

const redis = new Redis({
  url: "https://your-endpoint.upstash.io",
  token: "your-token"
})

await redis.set("user:1", { name: "Alice", email: "[e-mail]" })
const user = await redis.get("user:1")

Rate Limiting

import { Ratelimit } from "@upstash/ratelimit"
import { Redis } from "@upstash/redis"

const ratelimit = new Ratelimit({
  redis: Redis.fromEnv(),
  limiter: Ratelimit.slidingWindow(10, "10 s")
})

const { success } = await ratelimit.limit("user-123")
if (!success) return new Response("Too many requests", { status: 429 })

Why Choose Upstash

1. True serverless — no connections, no idle costs
2. Edge-ready — works from Vercel Edge, Cloudflare Workers
3. Rich ecosystem — rate limiting, caching, messaging built-in

Check out Upstash docs to get started.

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