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Parameters

See plugin common configurations for configuration options available to all plugins.

  • count

    integer


    required


    vaild vaule:

    greater than 0


    The maximum request depth allowed within a given time interval.

  • time_window

    integer


    required


    vaild vaule:

    greater than 0


    The time interval corresponding to the rate limiting count in seconds.

  • key_type

    string


    default: var


    vaild vaule:

    var, var_combination, or constant


    The type of key.

    If the key_type is var, the key is interpreted a variable.

    If the key_type is var_combination, the key is interpreted as a combination of variables.

    If the key_type is constant, the key is interpreted as a constant.

  • key

    string


    default: remote_addr


    The key to count requests by.

    If the key_type is var, the key is interpreted a variable. The variable does not need to be prefixed by a dollar sign ($). See built-in variables for avaialble variables.

    If the key_type is var_combination, the key is interpreted as a combination of variables. All variables should be prefixed by dollar signs ($). For example, to configure the key to use a combination of two request headers custom-a and custom-b, the key should be configured as $http_custom_a $http_custom_b.

    If the key_type is constant, the key is interpreted as a constant value.

  • rejected_code

    integer


    default: 503


    vaild vaule:

    between 200 and 599 inclusive


    The HTTP status code returned when a request is rejected for exceeding the threshold.

  • rejected_msg

    string


    default: 503


    vaild vaule:

    any non-empty string


    The response body returned when a request is rejected for exceeding the threshold.

  • policy

    string


    default: local


    vaild vaule:

    local, redis, or redis-cluster


    The policy for rate limiting counter. If it is local, the counter is stored in memory locally. If it is redis, the counter is stored on a Redis instance. If it is redis-cluster, the counter is stored in a Redis cluster.

  • allow_degradation

    boolean


    default: false


    if true, allow APISIX to continue handling requests without the plugin when the plugin or its dependencies become unavailable.

  • show_limit_quota_header

    boolean


    default: true


    if true, include X-RateLimit-Limit to show the total quota and X-RateLimit-Remaining to show the remaining quota in the response header.

  • group

    string


    vaild vaule:

    non-empty


    The group ID for the plugin, such that routes of the same group can share the same rate limiting counter.

  • redis_host

    string


    The address of the Redis node. Required when policy is redis.

  • redis_port

    integer


    default: 6379


    vaild vaule:

    greater or equal to 1


    The port of the Redis node when policy is redis.

  • redis_username

    string


    The username for Redis if Redis ACL is used. If you use the legacy authentication method requirepass, configure only the redis_password. Used when policy is redis.

  • redis_password

    string


    default: 6379


    The password of the Redis node when policy is redis or redis-cluster.

  • redis_database

    integer


    default: 0


    vaild vaule:

    greater or equal to 0


    The database number in Redis when policy is redis.

  • redis_ssl

    boolean


    default: false


    if true, use SSL to connect to Redis cluster when policy is redis.

  • redis_ssl_verify

    boolean


    default: false


    if true, verify the server SSL certificate when policy is redis.

  • redis_timeout

    integer


    default: 1000


    vaild vaule:

    greater or equal to 1


    The Redis timeout value in milliseconds when policy is redis or redis-cluster.

  • redis_cluster_nodes

    array[string]


    The list of the Redis cluster nodes with at least two addresses. Required when policy is redis-cluster.

  • redis_cluster_name

    string


    The name of the Redis cluster. Required when policy is redis-cluster.

  • redis_cluster_ssl

    boolean


    default: false


    if true, use SSL to connect to Redis cluster when policy is redis-cluster.

  • redis_cluster_ssl_verify

    boolean


    default: false


    if true, verify the server SSL certificate when policy is redis-cluster.


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