Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors See Also

UpdateCapacityProvider

Updates the configuration of an existing capacity provider.

Request Syntax


PUT /2025-11-30/capacity-providers/CapacityProviderName HTTP/1.1
Content-type: application/json

{
   "CapacityProviderScalingConfig": { 
      "MaxVCpuCount": number,
      "ScalingMode": "string",
      "ScalingPolicies": [ 
         { 
            "PredefinedMetricType": "string",
            "TargetValue": number
         }
      ]
   }
}

URI Request Parameters

The request uses the following URI parameters.

CapacityProviderName

The name of the capacity provider to update.

Length Constraints: Minimum length of 1. Maximum length of 140.

Pattern: (arn:aws[a-zA-Z-]*:lambda:[a-z]{2}((-gov)|(-iso([a-z]?)))?-[a-z]+-\d{1}:\d{12}:capacity-provider:[a-zA-Z0-9-_]+)|[a-zA-Z0-9-_]+

Required: Yes

Request Body

The request accepts the following data in JSON format.

CapacityProviderScalingConfig

The updated scaling configuration for the capacity provider.

Type: CapacityProviderScalingConfig object

Required: No

Response Syntax


HTTP/1.1 202
Content-type: application/json

{
   "CapacityProvider": { 
      "CapacityProviderArn": "string",
      "CapacityProviderScalingConfig": { 
         "MaxVCpuCount": number,
         "ScalingMode": "string",
         "ScalingPolicies": [ 
            { 
               "PredefinedMetricType": "string",
               "TargetValue": number
            }
         ]
      },
      "InstanceRequirements": { 
         "AllowedInstanceTypes": [ "string" ],
         "Architectures": [ "string" ],
         "ExcludedInstanceTypes": [ "string" ]
      },
      "KmsKeyArn": "string",
      "LastModified": "string",
      "PermissionsConfig": { 
         "CapacityProviderOperatorRoleArn": "string"
      },
      "State": "string",
      "VpcConfig": { 
         "SecurityGroupIds": [ "string" ],
         "SubnetIds": [ "string" ]
      }
   }
}

Response Elements

If the action is successful, the service sends back an HTTP 202 response.

The following data is returned in JSON format by the service.

CapacityProvider

Information about the updated capacity provider.

Type: CapacityProvider object

Errors

For information about the errors that are common to all actions, see Common Errors.

InvalidParameterValueException

One of the parameters in the request is not valid.

message: The exception message.
Type: The exception type.

HTTP Status Code: 400

ResourceConflictException

The resource already exists, or another operation is in progress.

message: The exception message.
Type: The exception type.

HTTP Status Code: 409

ResourceNotFoundException

The resource specified in the request does not exist.

HTTP Status Code: 404

ServiceException

The AWS Lambda service encountered an internal error.

HTTP Status Code: 500

TooManyRequestsException

The request throughput limit was exceeded. For more information, see Lambda quotas.

retryAfterSeconds: The number of seconds the caller should wait before retrying.

HTTP Status Code: 429