# Upstash Redis

## Docs

- [Error Handling](https://mintlify.wiki/upstash/redis-js/advanced/error-handling.md): Understanding and handling errors in the Upstash Redis SDK
- [Lua Scripts](https://mintlify.wiki/upstash/redis-js/advanced/lua-scripts.md): Execute Lua scripts with eval, evalsha, fcall and the Script helper classes
- [Pub/Sub](https://mintlify.wiki/upstash/redis-js/advanced/pub-sub.md): Real-time messaging with Redis pub/sub channels and pattern subscriptions
- [Telemetry](https://mintlify.wiki/upstash/redis-js/advanced/telemetry.md): Understanding and configuring telemetry data collection in Upstash Redis SDK
- [Transactions](https://mintlify.wiki/upstash/redis-js/advanced/transactions.md): Execute multiple commands atomically using MULTI/EXEC transactions
- [append](https://mintlify.wiki/upstash/redis-js/api/commands/append.md): Append a value to a key
- [dbsize](https://mintlify.wiki/upstash/redis-js/api/commands/dbsize.md): Get the number of keys in the database
- [decr](https://mintlify.wiki/upstash/redis-js/api/commands/decr.md): Decrement the integer value of a key by one
- [del](https://mintlify.wiki/upstash/redis-js/api/commands/del.md): Delete one or more keys
- [echo](https://mintlify.wiki/upstash/redis-js/api/commands/echo.md): Echo a message
- [EVAL](https://mintlify.wiki/upstash/redis-js/api/commands/eval.md): Execute a Lua script on the Redis server
- [EVALSHA](https://mintlify.wiki/upstash/redis-js/api/commands/evalsha.md): Execute a cached Lua script by its SHA-1 hash
- [exists](https://mintlify.wiki/upstash/redis-js/api/commands/exists.md): Check if one or more keys exist
- [expire](https://mintlify.wiki/upstash/redis-js/api/commands/expire.md): Set a key's time to live in seconds
- [FCALL](https://mintlify.wiki/upstash/redis-js/api/commands/fcall.md): Call a Redis function by name
- [flushdb](https://mintlify.wiki/upstash/redis-js/api/commands/flushdb.md): Delete all keys in the current database
- [geoadd](https://mintlify.wiki/upstash/redis-js/api/commands/geoadd.md): Add one or more geospatial items to a key
- [geodist](https://mintlify.wiki/upstash/redis-js/api/commands/geodist.md): Get the distance between two geospatial members
- [geohash](https://mintlify.wiki/upstash/redis-js/api/commands/geohash.md): Get Geohash strings representing positions of members
- [geopos](https://mintlify.wiki/upstash/redis-js/api/commands/geopos.md): Get longitude and latitude coordinates of members
- [geosearch](https://mintlify.wiki/upstash/redis-js/api/commands/geosearch.md): Search for members within a geographic area
- [get](https://mintlify.wiki/upstash/redis-js/api/commands/get.md): Get the value of a key
- [getrange](https://mintlify.wiki/upstash/redis-js/api/commands/getrange.md): Get a substring of the string stored at a key
- [HDEL](https://mintlify.wiki/upstash/redis-js/api/commands/hdel.md): Delete one or more hash fields
- [HEXISTS](https://mintlify.wiki/upstash/redis-js/api/commands/hexists.md): Check if a hash field exists
- [HGET](https://mintlify.wiki/upstash/redis-js/api/commands/hget.md): Get the value of a hash field
- [HGETALL](https://mintlify.wiki/upstash/redis-js/api/commands/hgetall.md): Get all fields and values in a hash
- [HINCRBY](https://mintlify.wiki/upstash/redis-js/api/commands/hincrby.md): Increment a hash field by a number
- [HKEYS](https://mintlify.wiki/upstash/redis-js/api/commands/hkeys.md): Get all field names in a hash
- [HMGET](https://mintlify.wiki/upstash/redis-js/api/commands/hmget.md): Get multiple hash field values
- [HMSET](https://mintlify.wiki/upstash/redis-js/api/commands/hmset.md): Set multiple hash fields (legacy)
- [HSET](https://mintlify.wiki/upstash/redis-js/api/commands/hset.md): Set hash field values
- [HVALS](https://mintlify.wiki/upstash/redis-js/api/commands/hvals.md): Get all values in a hash
- [incr](https://mintlify.wiki/upstash/redis-js/api/commands/incr.md): Increment the integer value of a key by one
- [JSON.ARRAPPEND](https://mintlify.wiki/upstash/redis-js/api/commands/json-arrappend.md): Append values to a JSON array
- [JSON.ARRINDEX](https://mintlify.wiki/upstash/redis-js/api/commands/json-arrindex.md): Find the index of a value in a JSON array
- [JSON.DEL](https://mintlify.wiki/upstash/redis-js/api/commands/json-del.md): Delete JSON values from Redis
- [JSON.GET](https://mintlify.wiki/upstash/redis-js/api/commands/json-get.md): Get JSON values from a Redis key
- [JSON.NUMINCRBY](https://mintlify.wiki/upstash/redis-js/api/commands/json-numincrby.md): Increment a number in a JSON document
- [JSON.OBJKEYS](https://mintlify.wiki/upstash/redis-js/api/commands/json-objkeys.md): Get the keys of a JSON object
- [JSON.SET](https://mintlify.wiki/upstash/redis-js/api/commands/json-set.md): Set JSON values in Redis
- [keys](https://mintlify.wiki/upstash/redis-js/api/commands/keys.md): Find all keys matching a pattern
- [LINDEX](https://mintlify.wiki/upstash/redis-js/api/commands/lindex.md): Get an element from a list by index
- [LLEN](https://mintlify.wiki/upstash/redis-js/api/commands/llen.md): Get the length of a list
- [LPOP](https://mintlify.wiki/upstash/redis-js/api/commands/lpop.md): Remove and return the first element(s) of a list
- [LPUSH](https://mintlify.wiki/upstash/redis-js/api/commands/lpush.md): Insert elements at the head of a list
- [LRANGE](https://mintlify.wiki/upstash/redis-js/api/commands/lrange.md): Get a range of elements from a list
- [LSET](https://mintlify.wiki/upstash/redis-js/api/commands/lset.md): Set the value of an element in a list by index
- [mget](https://mintlify.wiki/upstash/redis-js/api/commands/mget.md): Get the values of multiple keys
- [mset](https://mintlify.wiki/upstash/redis-js/api/commands/mset.md): Set multiple keys to multiple values
- [persist](https://mintlify.wiki/upstash/redis-js/api/commands/persist.md): Remove the expiration from a key
- [ping](https://mintlify.wiki/upstash/redis-js/api/commands/ping.md): Test server connection
- [RPOP](https://mintlify.wiki/upstash/redis-js/api/commands/rpop.md): Remove and return the last element(s) of a list
- [RPUSH](https://mintlify.wiki/upstash/redis-js/api/commands/rpush.md): Insert elements at the tail of a list
- [SADD](https://mintlify.wiki/upstash/redis-js/api/commands/sadd.md): Add one or more members to a set
- [scan](https://mintlify.wiki/upstash/redis-js/api/commands/scan.md): Incrementally iterate over keys
- [SCARD](https://mintlify.wiki/upstash/redis-js/api/commands/scard.md): Get the number of members in a set
- [SCRIPT LOAD](https://mintlify.wiki/upstash/redis-js/api/commands/script-load.md): Load a Lua script into Redis without executing it
- [SDIFF](https://mintlify.wiki/upstash/redis-js/api/commands/sdiff.md): Get the difference between sets
- [set](https://mintlify.wiki/upstash/redis-js/api/commands/set.md): Set the string value of a key
- [setrange](https://mintlify.wiki/upstash/redis-js/api/commands/setrange.md): Overwrite part of a string at a specific offset
- [SINTER](https://mintlify.wiki/upstash/redis-js/api/commands/sinter.md): Get the intersection of multiple sets
- [SISMEMBER](https://mintlify.wiki/upstash/redis-js/api/commands/sismember.md): Check if a member exists in a set
- [SMEMBERS](https://mintlify.wiki/upstash/redis-js/api/commands/smembers.md): Get all members of a set
- [SPOP](https://mintlify.wiki/upstash/redis-js/api/commands/spop.md): Remove and return one or more random members from a set
- [SREM](https://mintlify.wiki/upstash/redis-js/api/commands/srem.md): Remove one or more members from a set
- [SUNION](https://mintlify.wiki/upstash/redis-js/api/commands/sunion.md): Get the union of multiple sets
- [time](https://mintlify.wiki/upstash/redis-js/api/commands/time.md): Get the server time
- [ttl](https://mintlify.wiki/upstash/redis-js/api/commands/ttl.md): Get the time to live for a key in seconds
- [type](https://mintlify.wiki/upstash/redis-js/api/commands/type.md): Determine the type of a key
- [xadd](https://mintlify.wiki/upstash/redis-js/api/commands/xadd.md): Add a new entry to a stream
- [xdel](https://mintlify.wiki/upstash/redis-js/api/commands/xdel.md): Delete entries from a stream by ID
- [xlen](https://mintlify.wiki/upstash/redis-js/api/commands/xlen.md): Get the number of entries in a stream
- [xrange](https://mintlify.wiki/upstash/redis-js/api/commands/xrange.md): Get a range of entries from a stream
- [xread](https://mintlify.wiki/upstash/redis-js/api/commands/xread.md): Read entries from one or more streams
- [ZADD](https://mintlify.wiki/upstash/redis-js/api/commands/zadd.md): Add one or more members to a sorted set, or update their scores
- [ZCARD](https://mintlify.wiki/upstash/redis-js/api/commands/zcard.md): Get the number of members in a sorted set
- [ZCOUNT](https://mintlify.wiki/upstash/redis-js/api/commands/zcount.md): Count the members in a sorted set within a score range
- [ZINCRBY](https://mintlify.wiki/upstash/redis-js/api/commands/zincrby.md): Increment the score of a member in a sorted set
- [ZRANGE](https://mintlify.wiki/upstash/redis-js/api/commands/zrange.md): Return a range of members in a sorted set
- [ZRANK](https://mintlify.wiki/upstash/redis-js/api/commands/zrank.md): Determine the index of a member in a sorted set
- [ZREM](https://mintlify.wiki/upstash/redis-js/api/commands/zrem.md): Remove one or more members from a sorted set
- [ZSCORE](https://mintlify.wiki/upstash/redis-js/api/commands/zscore.md): Get the score associated with a member in a sorted set
- [Pipeline](https://mintlify.wiki/upstash/redis-js/api/pipeline.md): Batch multiple Redis commands for better performance
- [Redis](https://mintlify.wiki/upstash/redis-js/api/redis.md): Main Redis client class for interacting with Upstash Redis
- [Script / ScriptRO](https://mintlify.wiki/upstash/redis-js/api/script.md): Execute Lua scripts efficiently with automatic SHA-1 caching
- [Auto-pipeline](https://mintlify.wiki/upstash/redis-js/concepts/auto-pipeline.md): Automatically batch Redis commands for optimal performance without manual pipeline management
- [Client configuration](https://mintlify.wiki/upstash/redis-js/concepts/client-configuration.md): Configure the Upstash Redis client with connection credentials, retry behavior, and advanced options
- [Connection model](https://mintlify.wiki/upstash/redis-js/concepts/connection.md): Understand the HTTP-based connectionless architecture and how it differs from traditional TCP connections
- [Pipeline](https://mintlify.wiki/upstash/redis-js/concepts/pipeline.md): Batch multiple Redis commands into a single HTTP request for improved performance
- [Read-your-writes consistency](https://mintlify.wiki/upstash/redis-js/concepts/read-your-writes.md): Ensure your Redis reads reflect your own writes with Upstash's read-your-writes consistency model
- [AWS Lambda](https://mintlify.wiki/upstash/redis-js/examples/aws-lambda.md): Deploy Upstash Redis with AWS Lambda functions
- [Basic Usage](https://mintlify.wiki/upstash/redis-js/examples/basic-usage.md): Common Redis operations with the Upstash Redis SDK
- [Cloudflare Workers](https://mintlify.wiki/upstash/redis-js/examples/cloudflare-workers.md): Use Upstash Redis with Cloudflare Workers at the edge
- [Next.js](https://mintlify.wiki/upstash/redis-js/examples/next-js.md): Integrate Upstash Redis with Next.js applications
- [Installation](https://mintlify.wiki/upstash/redis-js/installation.md): Install Upstash Redis SDK for your platform and package manager
- [Upstash Redis SDK](https://mintlify.wiki/upstash/redis-js/introduction.md): HTTP-based Redis client for serverless and edge environments
- [Cloudflare Workers](https://mintlify.wiki/upstash/redis-js/platforms/cloudflare-workers.md): Use Upstash Redis SDK in Cloudflare Workers
- [Deno](https://mintlify.wiki/upstash/redis-js/platforms/deno.md): Use Upstash Redis SDK in Deno and Deno Deploy
- [Fastly Compute@Edge](https://mintlify.wiki/upstash/redis-js/platforms/fastly.md): Use Upstash Redis SDK with Fastly Compute@Edge
- [Node.js](https://mintlify.wiki/upstash/redis-js/platforms/nodejs.md): Use Upstash Redis SDK in Node.js applications
- [Vercel](https://mintlify.wiki/upstash/redis-js/platforms/vercel.md): Use Upstash Redis SDK with Vercel Functions and Edge Functions
- [Quick Start](https://mintlify.wiki/upstash/redis-js/quickstart.md): Get started with Upstash Redis in under 5 minutes