The following tables list RedisBloom commands. See the command links for more information about each command’s syntax, arguments, and examples.

Bloom filter commands

Command Redis
Enterprise		 Redis
Cloud		 Description
BF.ADD ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds an item to the filter.
BF.EXISTS ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Checks if an item exists in the filter.
BF.INFO ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns information about a Bloom filter.
BF.INSERT ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds multiple items to a filter. If the key does not exist, it creates a new filter.
BF.LOADCHUNK ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Restores a Bloom filter previously saved with BF.SCANDUMP.
BF.MADD ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds multiple items to the filter.
BF.MEXISTS ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 For multiple items, checks if each item exists in the filter.
BF.RESERVE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Creates a Bloom filter. Sets the false positive rate and capacity.
BF.SCANDUMP ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Starts an incremental save of a Bloom filter.

Cuckoo filter commands

Command Redis
Enterprise		 Redis
Cloud		 Description
CF.ADD ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds an item to a filter.
CF.ADDNX ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds an item to a filter only if the item does not already exist.
CF.COUNT ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns the probable number of times an item occurs in the filter.
CF.DEL ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Removes one instance of an item from the filter.
CF.EXISTS ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Checks if an item exists in the filter.
CF.INFO ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns information about a cuckoo filter.
CF.INSERT ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds multiple items to a filter. Optionally sets the capacity if the filter does not already exist.
CF.INSERTNX ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds multiple items to a filter if they do not already exist. Optionally sets the capacity if the filter does not already exist.
CF.LOADCHUNK ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Restores a cuckoo filter previously saved with CF.SCANDUMP.
CF.MEXISTS ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 For multiple items, checks if each item exists in the filter.
CF.RESERVE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Creates a cuckoo filter and sets its capacity.
CF.SCANDUMP ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Starts an incremental save of a cuckoo filter.

Count-min sketch commands

Command Redis
Enterprise		 Redis
Cloud		 Description
CMS.INCRBY ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Increases item counts.
CMS.INFO ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns width, depth, and total count of the sketch.
CMS.INITBYDIM ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Initializes a count-min sketch to the specified dimensions (width and depth).
CMS.INITBYPROB ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Initializes a count-min sketch to allow the specified overestimation percent for the item count and the probability of overestimation.
CMS.MERGE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Merges several sketches into one sketch.
CMS.QUERY ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns the count for one or more items in a sketch.

Top-k commands

Command Redis
Enterprise		 Redis
Cloud		 Description
TOPK.ADD ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds an item to the data structure.
TOPK.COUNT ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns probable item counts.
TOPK.INCRBY ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Increases the score of an item by the specified number.
TOPK.INFO ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns the number of required items (k), width, depth, and decay values.
TOPK.LIST ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns the keys of items in the top-k list. Optionally returns their item counts.
TOPK.QUERY ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Checks whether an item is one of top-k items.
TOPK.RESERVE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Initializes a top-k with the specified number of top occurring items to keep, width, depth, and decay.

T-digest sketch commands

Command Redis
Enterprise		 Redis
Cloud		 Description
TDIGEST.ADD ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Adds one or more samples to a t-digest sketch.
TDIGEST.CDF ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Estimates the fraction of all observations which are less than or equal to the specified value.
TDIGEST.CREATE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Allocates memory and initializes a t-digest sketch.
TDIGEST.INFO ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns information about the t-digest sketch.
TDIGEST.MAX ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns the maximum value from the sketch.
TDIGEST.MERGE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Copies values from one sketch to another.
TDIGEST.MERGESTORE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Merges multiple sketches and stores the combined sketch in a new key.
TDIGEST.MIN ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Returns the minimum value from the sketch.
TDIGEST.QUANTILE ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Estimates one or more cutoffs.
TDIGEST.RESET ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Resets the sketch and reinitializes it.
TDIGEST.TRIMMED_MEAN ✅ Supported

 ✅ Flexible & Annual
✅ Free & Fixed		 Estimates the mean value from the sketch, excluding values outside the specified range.