How to create rate limiting tiers

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With consumer groups, you can define rate limiting tiers and apply them to subsets of application consumers.

You can define consumer groups as tiers, for example:

• A gold tier consumer group with 1000 requests per minute
• A silver tier consumer group with 10 requests per second
• A bronze tier consumer group with 6 requests per second

Consumers that are not in a consumer group default to the Rate Limiting advanced plugin’s configuration, so you can define tier groups for some users and have a default behavior for consumers without groups.

To use consumer groups for rate limiting, you need to:

• Create one or more consumer groups
• Create consumers
• Assign consumers to groups

Create rate limiting tiers

1. Create a consumer group named Gold:

    curl -i -X POST http://localhost:8001/consumer_groups \
    --data name=Gold
   

   Response:

    {
        "created_at": 1638915521,
        "id": "8a4bba3c-7f82-45f0-8121-ed4d2847c4a4",
        "name": "Gold",
        "tags": null
    }
   

2. Create a consumer, Amal:

    curl -i -X POST http://localhost:8001/consumers \
    --data username=Amal
   

   Response:

    {
        "created_at": 1638915577,
        "custom_id": null,
        "id": "8089a0e6-1d31-4e00-bf51-5b902899b4cb",
        "tags": null,
        "type": 0,
        "username": "Amal",
        "username_lower": "amal"
    }
   

3. Add Amal to the Gold consumer group:

    curl -i -X POST http://localhost:8001/consumer_groups/Gold/consumers \
    --data consumer=Amal
   

   Response:

    {
      "consumer_group": {
      "created_at": 1638915521,
      "id": "8a4bba3c-7f82-45f0-8121-ed4d2847c4a4",
      "name": "Gold",
      "tags": null
      },
      "consumers": [
        {
            "created_at": 1638915577,
            "id": "8089a0e6-1d31-4e00-bf51-5b902899b4cb",
            "type": 0,
            "username": "Amal",
            "username_lower": "amal"
        }
      ]
    }
   

4. Enable the plugin on the consumer group:

    curl -i -X POST http://localhost:8001/consumer_groups/gold/plugins/  \
    --data name=rate-limiting-advanced \
    --data config.limit=5 \
    --data config.window_size=30 \
    --data config.window_type=sliding \
    --data config.retry_after_jitter_max=0 \
   

   This configuration sets the rate limit to five requests (config.limit) for every 30 seconds (config.window_size).

More Information

• Consumer Groups API documentation.