AWS API Changes

2026/07/09 - Amazon Elastic Compute Cloud - 2 updated api methods

Changes Added support for additional override parameters in CreateFleet, including LaunchTemplateSpecificationUserData, KeyName, IamInstanceProfile, and MetadataOptions. The CreateFleet response now also includes SubnetId, AvailabilityZone, and AvailabilityZoneId for launched instances.

CreateFleet (updated)

Link ¶
Changes (request, response)
Request

{'LaunchTemplateConfigs': {'LaunchTemplateSpecification': {'LaunchTemplateSpecificationUserData': 'string'},
                           'Overrides': {'IamInstanceProfile': {'Arn': 'string',
                                                                'Name': 'string'},
                                         'KeyName': 'string',
                                         'MetadataOptions': {'HttpEndpoint': 'disabled '
                                                                             '| '
                                                                             'enabled',
                                                             'HttpPutResponseHopLimit': 'integer',
                                                             'HttpTokens': 'optional '
                                                                           '| '
                                                                           'required'}}}}

Response

{'Instances': {'AvailabilityZone': 'string',
               'AvailabilityZoneId': 'string',
               'SubnetId': 'string'}}

ModifyFleet (updated)

Link ¶
Changes (request)

{'LaunchTemplateConfigs': {'LaunchTemplateSpecification': {'LaunchTemplateSpecificationUserData': 'string'},
                           'Overrides': {'IamInstanceProfile': {'Arn': 'string',
                                                                'Name': 'string'},
                                         'KeyName': 'string',
                                         'MetadataOptions': {'HttpEndpoint': 'disabled '
                                                                             '| '
                                                                             'enabled',
                                                             'HttpPutResponseHopLimit': 'integer',
                                                             'HttpTokens': 'optional '
                                                                           '| '
                                                                           'required'}}}}