--- title: "Redis integration ยท RUAL Documentation" description: "Use Redis in RUAL blueprints. Cache keys, lists, sets, sorted sets and Bloom filters, and rate limit calls. Every block, with its pins." canonical: https://docs.rual.nl/integrations/redis language: en --- # Redis Cache keys, lists, sets, sorted sets and Bloom filters, and rate limit calls. > **Credentials** Create a [service provider](https://docs.rual.nl/blueprints/service-providers) for this service and point the blocks at it. The cluster holds the key, so it never sits on a pin or in a blueprint export. ## Guides - [Storages](https://docs.rual.nl/blueprints/storage) ## Blocks Add these blocks on the canvas by searching for their name. Each block page lists its pins and how it behaves. - [rate limit `function_rate_limit` Counts calls per registered key and reports whether this one is still within the limit. Replaces the incr-key + ttl + condition chain every API blueprint used to build by hand: pick a key that identifies the caller (for example one with a {ip:value} placeholder), a limit, and a window. Rejected calls count towards the limit as well.](https://docs.rual.nl/block-types/redis/function_rate_limit) - [decrement `function_redis_cache_decr_key` Decrements the number stored at key by one. If the key does not exist, it is set to 0 before performing the operation.](https://docs.rual.nl/block-types/redis/function_redis_cache_decr_key) - [delete `function_redis_cache_delete_key` Removes the specified key and their values.](https://docs.rual.nl/block-types/redis/function_redis_cache_delete_key) - [get cache key `function_redis_cache_get_exists` gets the key and returns true or false based of its existence, makes it easier for cache-management in flows](https://docs.rual.nl/block-types/redis/function_redis_cache_get_exists) - [get cache json key `function_redis_cache_get_exists_json` gets the key and returns true or false based of its existence, makes it easier for cache-management in flows](https://docs.rual.nl/block-types/redis/function_redis_cache_get_exists_json) - [get cache ttl `function_redis_cache_get_ttl` get the time to live in seconds](https://docs.rual.nl/block-types/redis/function_redis_cache_get_ttl) - [increment `function_redis_cache_incr_key` Increments the number stored at key by one. If the key does not exist, it is set to 0 before performing the operation.](https://docs.rual.nl/block-types/redis/function_redis_cache_incr_key) - [exists `function_redis_cache_key_exists` Checks if the key already exists](https://docs.rual.nl/block-types/redis/function_redis_cache_key_exists) - [set `function_redis_cache_set_key` Set key to hold the string value. If key already holds a value, it is overwritten, regardless of its type.](https://docs.rual.nl/block-types/redis/function_redis_cache_set_key) - [set json `function_redis_cache_set_key_json` Set key to hold the string value. If key already holds a value, it is overwritten, regardless of its type.](https://docs.rual.nl/block-types/redis/function_redis_cache_set_key_json) - [set cache ttl `function_redis_cache_ttl` set the time to live in seconds](https://docs.rual.nl/block-types/redis/function_redis_cache_ttl) - [bf add `redis_bloom_add` Add an item to a Bloom filter. Creates the filter if it does not exist.](https://docs.rual.nl/block-types/redis/redis_bloom_add) - [bf exists `redis_bloom_exists` Check if an item may exist in a Bloom filter. Returns true if the item may exist (with the configured false-positive rate), false if it definitely does not exist.](https://docs.rual.nl/block-types/redis/redis_bloom_exists) - [bf madd `redis_bloom_madd` Add multiple items to a Bloom filter at once. Creates the filter if it does not exist.](https://docs.rual.nl/block-types/redis/redis_bloom_madd) - [bf mexists `redis_bloom_mexists` Check if multiple items may exist in a Bloom filter. Returns an array of booleans.](https://docs.rual.nl/block-types/redis/redis_bloom_mexists) - [bf reserve `redis_bloom_reserve` Create a new Bloom filter with a given error rate and initial capacity. The filter will auto-scale if capacity is exceeded.](https://docs.rual.nl/block-types/redis/redis_bloom_reserve) - [get by index `redis_list_index` Get an element from a list by its index](https://docs.rual.nl/block-types/redis/redis_list_index) - [insert at index `redis_list_insert` Insert an element before or after another element in a list](https://docs.rual.nl/block-types/redis/redis_list_insert) - [len `redis_list_len` get the length of a list](https://docs.rual.nl/block-types/redis/redis_list_len) - [pop `redis_list_pop` Remove and get the first element in a list](https://docs.rual.nl/block-types/redis/redis_list_pop) - [push `redis_list_push` prepend one element to a list](https://docs.rual.nl/block-types/redis/redis_list_push) - [push array `redis_list_push_array` prepend multiple elements to a list](https://docs.rual.nl/block-types/redis/redis_list_push_array) - [pushx `redis_list_pushx` prepend an element to a list, only if the list exists](https://docs.rual.nl/block-types/redis/redis_list_pushx) - [range `redis_list_range` get a range of elements from a list. Use start 0 and stop -1 to retrieve all items.](https://docs.rual.nl/block-types/redis/redis_list_range) - [remove `redis_list_remove` removes the first count occurrences of elements equal to element](https://docs.rual.nl/block-types/redis/redis_list_remove) - [rpop `redis_list_rpop` remove and get the last element in a list](https://docs.rual.nl/block-types/redis/redis_list_rpop) - [rpush `redis_list_rpush` append one or multiple elements to a list](https://docs.rual.nl/block-types/redis/redis_list_rpush) - [rpushx `redis_list_rpushx` append an element to a list, only if the list exists](https://docs.rual.nl/block-types/redis/redis_list_rpushx) - [set `redis_list_set` set the value of an element in a list by its index](https://docs.rual.nl/block-types/redis/redis_list_set) - [trim `redis_list_trim` trim a list to the specified range](https://docs.rual.nl/block-types/redis/redis_list_trim) - [add `redis_set_add` add one member to a set](https://docs.rual.nl/block-types/redis/redis_set_add) - [card `redis_set_card` get the number of members in a set](https://docs.rual.nl/block-types/redis/redis_set_card) - [is member `redis_set_ismember` determine if a given value is a member of a set](https://docs.rual.nl/block-types/redis/redis_set_ismember) - [members `redis_set_members` Get all the members in a set](https://docs.rual.nl/block-types/redis/redis_set_members) - [pop `redis_set_pop` Remove and return one random member from a set](https://docs.rual.nl/block-types/redis/redis_set_pop) - [push array `redis_set_push_array` prepend multiple elements to a sadd](https://docs.rual.nl/block-types/redis/redis_set_push_array) - [randmember `redis_set_randmember` Get one random member from a set](https://docs.rual.nl/block-types/redis/redis_set_randmember) - [rem `redis_set_rem` Remove one member from a set](https://docs.rual.nl/block-types/redis/redis_set_rem) - [zadd `redis_set_zadd` add one member to a sorted set](https://docs.rual.nl/block-types/redis/redis_set_zadd) - [zrange `redis_set_zrange` retrieve items from the sorted sets](https://docs.rual.nl/block-types/redis/redis_set_zrange) - [zrem `redis_zrem` remove one member from a sorted set](https://docs.rual.nl/block-types/redis/redis_zrem) - [get cache `value_redis_cache_get_key` get redis cache](https://docs.rual.nl/block-types/redis/value_redis_cache_get_key) ## Next steps - [Third-Party Integrations](https://docs.rual.nl/tutorials/third-party-integrations): Calling outside APIs, receiving their webhooks, keeping data in sync and handling failures. - [All integrations](https://docs.rual.nl/integrations): Everything RUAL connects to, by what it is for.