Amazon Elastic Load Balancing Load Balancers API

Operations for creating and managing load balancers

Business capability
IT Infrastructure Management BC-600.50

Operations 7

GET /?Action=CreateLoadBalancer Amazon Elastic Load Balancing Create a Load Balancer #
POST /?Action=CreateLoadBalancer Create Load Balancer #
GET /?Action=DescribeLoadBalancers Amazon Elastic Load Balancing Describe Load Balancers #
POST /?Action=DescribeLoadBalancers Describe Load Balancers #
GET /?Action=DeleteLoadBalancer Amazon Elastic Load Balancing Delete a Load Balancer #
POST /?Action=DeleteLoadBalancer Delete Load Balancer #
GET /?Action=ModifyLoadBalancerAttributes Amazon Elastic Load Balancing Modify Load Balancer Attributes #

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OpenAPI Specification

amazon-elastic-load-balancing-load-balancers-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Amazon Elastic Load Balancing Load Balancers API
  version: '2015-12-01'
  contact:
    name: Amazon Web Services
    url: https://aws.amazon.com/contact-us/
  description: 'Operations tagged Load Balancers across 2 of this provider''s published API definitions: amazon-elastic-load-balancing-openapi.yml, amazon-elastic-load-balancing-load-balancers-api-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://elasticloadbalancing.{region}.amazonaws.com
  description: Amazon Elastic Load Balancing Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: AWS Region
tags:
- name: Load Balancers
  description: Operations for creating and managing load balancers
paths:
  /?Action=CreateLoadBalancer:
    get:
      operationId: createLoadBalancer
      summary: Amazon Elastic Load Balancing Create a Load Balancer
      description: Creates an Application Load Balancer, Network Load Balancer, or Gateway Load Balancer. For more information, see the User Guide for the specific load balancer type.
      tags:
      - Load Balancers
      parameters:
      - name: Name
        in: query
        required: true
        description: The name of the load balancer. Must be unique per region per account, can have a maximum of 32 characters.
        schema:
          type: string
      - name: Subnets
        in: query
        description: The IDs of the subnets. You can specify only one subnet per Availability Zone.
        schema:
          type: array
          items:
            type: string
      - name: SecurityGroups
        in: query
        description: The IDs of the security groups for the load balancer
        schema:
          type: array
          items:
            type: string
      - name: Scheme
        in: query
        description: The scheme for the load balancer. An internet-facing load balancer routes requests from clients to targets over the internet. An internal load balancer routes requests to targets using private IP addresses.
        schema:
          type: string
          enum:
          - internet-facing
          - internal
      - name: Type
        in: query
        description: The type of load balancer
        schema:
          type: string
          enum:
          - application
          - network
          - gateway
      - name: IpAddressType
        in: query
        description: The type of IP addresses used by the subnets
        schema:
          type: string
          enum:
          - ipv4
          - dualstack
      responses:
        '200':
          description: Successfully created load balancer
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/CreateLoadBalancerResponse'
              examples:
                createLoadBalancer200Example:
                  summary: Default createLoadBalancer 200 response
                  x-microcks-default: true
                  value:
                    loadBalancers: []
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
        '403':
          description: Authorization failure
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      security:
      - sigv4Auth: []
    post:
      operationId: CreateLoadBalancer
      summary: Create Load Balancer
      description: 'Creates an Application Load Balancer, Network Load Balancer, or Gateway Load Balancer. For more information, see the following: Application Load Balancers Network Load Balancers Gateway Load Balancers This operation is idempotent, which means that it completes at most one time. If you attempt to create multiple load balancers with the same settings, each call succeeds.'
      responses:
        '200':
          description: Success
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/CreateLoadBalancerOutput'
              example:
                LoadBalancers:
                - VpcId: vpc-3ac0fb5f
                  LoadBalancerArn: arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
                  State:
                    Code: provisioning
                  DNSName: my-load-balancer-424835706.us-west-2.elb.amazonaws.com
                  SecurityGroups:
                  - sg-5943793c
                  LoadBalancerName: my-load-balancer
                  CreatedTime: '2016-03-25T21:26:12.920Z'
                  Scheme: internet-facing
                  Type: application
                  CanonicalHostedZoneId: Z2P70J7EXAMPLE
                  AvailabilityZones:
                  - SubnetId: subnet-8360a9e7
                    ZoneName: us-west-2a
                  - SubnetId: subnet-b7d581c0
                    ZoneName: us-west-2b
        '400':
          description: AllocationIdNotFoundException; AvailabilityZoneNotSupportedException; DuplicateLoadBalancerNameException; DuplicateTagKeysException; InvalidConfigurationRequestException; InvalidSchemeException; InvalidSecurityGroupException; InvalidSubnetException; OperationNotPermittedException; ResourceInUseException; SubnetNotFoundException; TooManyLoadBalancersException; TooManyTagsException
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/AllocationIdNotFoundException'
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              allOf:
              - type: object
                required:
                - Action
                - Version
                properties:
                  Action:
                    type: string
                    const: CreateLoadBalancer
                  Version:
                    type: string
                    const: '2015-12-01'
              - $ref: '#/components/schemas/CreateLoadBalancerInput'
            example:
              Name: my-load-balancer
              Subnets:
              - subnet-b7d581c0
              - subnet-8360a9e7
      tags:
      - Load Balancers
      security:
      - sigv4Auth: []
    servers:
    - url: https://elasticloadbalancing.{region}.amazonaws.com
      description: Amazon Elastic Load Balancing Regional Endpoint
      variables:
        region:
          default: us-east-1
          description: AWS Region
  /?Action=DescribeLoadBalancers:
    get:
      operationId: describeLoadBalancers
      summary: Amazon Elastic Load Balancing Describe Load Balancers
      description: Describes the specified load balancers or all of your load balancers. Returns information about load balancer ARN, DNS name, scheme, VPC, availability zones, type, and state.
      tags:
      - Load Balancers
      parameters:
      - name: LoadBalancerArns
        in: query
        description: The Amazon Resource Names (ARN) of the load balancers
        schema:
          type: array
          items:
            type: string
      - name: Names
        in: query
        description: The names of the load balancers
        schema:
          type: array
          items:
            type: string
      - name: Marker
        in: query
        description: The marker for the next set of results
        schema:
          type: string
      - name: PageSize
        in: query
        description: The maximum number of results to return
        schema:
          type: integer
          minimum: 1
          maximum: 400
      responses:
        '200':
          description: Successfully described load balancers
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/DescribeLoadBalancersResponse'
              examples:
                describeLoadBalancers200Example:
                  summary: Default describeLoadBalancers 200 response
                  x-microcks-default: true
                  value:
                    loadBalancers: []
                    nextMarker: example
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      security:
      - sigv4Auth: []
    post:
      operationId: DescribeLoadBalancers
      summary: Describe Load Balancers
      description: Describes the specified load balancers or all of your load balancers.
      responses:
        '200':
          description: Success
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/DescribeLoadBalancersOutput'
              example:
                LoadBalancers:
                - VpcId: vpc-3ac0fb5f
                  LoadBalancerArn: arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
                  State:
                    Code: active
                  DNSName: my-load-balancer-424835706.us-west-2.elb.amazonaws.com
                  SecurityGroups:
                  - sg-5943793c
                  LoadBalancerName: my-load-balancer
                  CreatedTime: '2016-03-25T21:26:12.920Z'
                  Scheme: internet-facing
                  Type: application
                  CanonicalHostedZoneId: Z2P70J7EXAMPLE
                  AvailabilityZones:
                  - SubnetId: subnet-8360a9e7
                    ZoneName: us-west-2a
                  - SubnetId: subnet-b7d581c0
                    ZoneName: us-west-2b
        '400':
          description: LoadBalancerNotFoundException
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/LoadBalancerNotFoundException'
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              allOf:
              - type: object
                required:
                - Action
                - Version
                properties:
                  Action:
                    type: string
                    const: DescribeLoadBalancers
                  Version:
                    type: string
                    const: '2015-12-01'
              - $ref: '#/components/schemas/DescribeLoadBalancersInput'
            example:
              LoadBalancerArns:
              - arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
      tags:
      - Load Balancers
      security:
      - sigv4Auth: []
    servers:
    - url: https://elasticloadbalancing.{region}.amazonaws.com
      description: Amazon Elastic Load Balancing Regional Endpoint
      variables:
        region:
          default: us-east-1
          description: AWS Region
  /?Action=DeleteLoadBalancer:
    get:
      operationId: deleteLoadBalancer
      summary: Amazon Elastic Load Balancing Delete a Load Balancer
      description: Deletes the specified Application Load Balancer, Network Load Balancer, or Gateway Load Balancer. Deleting a load balancer also deletes its listeners.
      tags:
      - Load Balancers
      parameters:
      - name: LoadBalancerArn
        in: query
        required: true
        description: The Amazon Resource Name (ARN) of the load balancer
        schema:
          type: string
      responses:
        '200':
          description: Successfully deleted load balancer
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      security:
      - sigv4Auth: []
    post:
      operationId: DeleteLoadBalancer
      summary: Delete Load Balancer
      description: Deletes the specified Application Load Balancer, Network Load Balancer, or Gateway Load Balancer. Deleting a load balancer also deletes its listeners. You can't delete a load balancer if deletion protection is enabled. If the load balancer does not exist or has already been deleted, the call succeeds. Deleting a load balancer does not affect its registered targets. For example, your EC2 instances continue to run and are still registered to their target groups. If you no longer need these EC2 instances, you can stop or terminate them.
      responses:
        '200':
          description: Success
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/DeleteLoadBalancerOutput'
        '400':
          description: LoadBalancerNotFoundException; OperationNotPermittedException; ResourceInUseException
          content:
            text/xml:
              schema:
                $ref: '#/components/schemas/LoadBalancerNotFoundException'
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              allOf:
              - type: object
                required:
                - Action
                - Version
                properties:
                  Action:
                    type: string
                    const: DeleteLoadBalancer
                  Version:
                    type: string
                    const: '2015-12-01'
              - $ref: '#/components/schemas/DeleteLoadBalancerInput'
            example:
              LoadBalancerArn: arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
      tags:
      - Load Balancers
      security:
      - sigv4Auth: []
    servers:
    - url: https://elasticloadbalancing.{region}.amazonaws.com
      description: Amazon Elastic Load Balancing Regional Endpoint
      variables:
        region:
          default: us-east-1
          description: AWS Region
  /?Action=ModifyLoadBalancerAttributes:
    get:
      operationId: modifyLoadBalancerAttributes
      summary: Amazon Elastic Load Balancing Modify Load Balancer Attributes
      description: Modifies the specified attributes of the specified Application Load Balancer, Network Load Balancer, or Gateway Load Balancer.
      tags:
      - Load Balancers
      parameters:
      - name: LoadBalancerArn
        in: query
        required: true
        description: The Amazon Resource Name (ARN) of the load balancer
        schema:
          type: string
      - name: Attributes.member.1.Key
        in: query
        description: The name of the attribute
        schema:
          type: string
      - name: Attributes.member.1.Value
        in: query
        description: The value of the attribute
        schema:
          type: string
      responses:
        '200':
          description: Successfully modified load balancer attributes
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      security:
      - sigv4Auth: []
    servers:
    - url: https://elasticloadbalancing.{region}.amazonaws.com
      description: Amazon Elastic Load Balancing Regional Endpoint
      variables:
        region:
          default: us-east-1
          description: AWS Region
components:
  schemas:
    DescribeLoadBalancersResponse:
      type: object
      description: Response from the DescribeLoadBalancers action
      properties:
        loadBalancers:
          type: array
          description: Information about the load balancers
          items:
            $ref: '#/components/schemas/LoadBalancer'
        nextMarker:
          type: string
          description: The marker to use for the next set of results
    CreateLoadBalancerResponse:
      type: object
      description: Response from the CreateLoadBalancer action
      properties:
        loadBalancers:
          type: array
          description: Information about the load balancer
          items:
            $ref: '#/components/schemas/LoadBalancer'
    LoadBalancer:
      type: object
      description: Describes a load balancer
      properties:
        loadBalancerArn:
          type: string
          description: The Amazon Resource Name (ARN) of the load balancer
        dnsName:
          type: string
          description: The public DNS name of the load balancer
        canonicalHostedZoneId:
          type: string
          description: The ID of the Amazon Route 53 hosted zone for the load balancer
        createdTime:
          type: string
          format: date-time
          description: The date and time the load balancer was created
        loadBalancerName:
          type: string
          description: The name of the load balancer
        scheme:
          type: string
          description: The scheme of the load balancer
          enum:
          - internet-facing
          - internal
        vpcId:
          type: string
          description: The ID of the VPC for the load balancer
        state:
          type: object
          description: The state of the load balancer
          properties:
            code:
              type: string
              description: The state code
              enum:
              - active
              - provisioning
              - active_impaired
              - failed
            reason:
              type: string
              description: A description of the state
        type:
          type: string
          description: The type of load balancer
          enum:
          - application
          - network
          - gateway
        availabilityZones:
          type: array
          description: The subnets for the load balancer
          items:
            type: object
            properties:
              zoneName:
                type: string
                description: The name of the Availability Zone
              subnetId:
                type: string
                description: The ID of the subnet
        securityGroups:
          type: array
          description: The IDs of the security groups for the load balancer
          items:
            type: string
        ipAddressType:
          type: string
          description: The type of IP addresses used by the subnets
          enum:
          - ipv4
          - dualstack
    DescribeLoadBalancersInput:
      type: object
      properties:
        LoadBalancerArns:
          type: array
          items:
            type: string
          description: The Amazon Resource Names (ARN) of the load balancers. You can specify up to 20 load balancers in a single call.
        Names:
          type: array
          items:
            type: string
          description: The names of the load balancers.
        Marker:
          type: string
          description: The marker for the next set of results. (You received this marker from a previous call.)
        PageSize:
          type: integer
          description: The maximum number of results to return with this call.
    DeleteLoadBalancerInput:
      type: object
      properties:
        LoadBalancerArn:
          type: string
          description: The Amazon Resource Name (ARN) of the load balancer.
      required:
      - LoadBalancerArn
    CreateLoadBalancerOutput:
      type: object
      properties:
        LoadBalancers:
          type: array
          items:
            $ref: '#/components/schemas/LoadBalancer_2'
          description: Information about the load balancer.
    SubnetMapping:
      type: object
      properties:
        SubnetId:
          type: string
          description: The ID of the subnet.
        AllocationId:
          type: string
          description: '[Network Load Balancers] The allocation ID of the Elastic IP address for an internet-facing load balancer.'
        PrivateIPv4Address:
          type: string
          description: '[Network Load Balancers] The private IPv4 address for an internal load balancer.'
        IPv6Address:
          type: string
          description: '[Network Load Balancers] The IPv6 address.'
        SourceNatIpv6Prefix:
          type: string
          description: '[Network Load Balancers with UDP listeners] The IPv6 prefix to use for source NAT. Specify an IPv6 prefix (/80 netmask) from the subnet CIDR block or auto_assigned to use an IPv6 prefix selected at random from the subnet CIDR block.'
    LoadBalancer_2:
      type: object
      properties:
        LoadBalancerArn:
          type: string
          description: The Amazon Resource Name (ARN) of the load balancer.
        DNSName:
          type: string
          description: The public DNS name of the load balancer.
        CanonicalHostedZoneId:
          type: string
          description: The ID of the Amazon Route 53 hosted zone associated with the load balancer.
        CreatedTime:
          type: string
          format: date-time
          description: The date and time the load balancer was created.
        LoadBalancerName:
          type: string
          description: The name of the load balancer.
        Scheme:
          type: string
          enum:
          - internet-facing
          - internal
          description: The nodes of an Internet-facing load balancer have public IP addresses. The DNS name of an Internet-facing load balancer is publicly resolvable to the public IP addresses of the nodes. Therefore, Internet-facing load balancers can route requests from clients over the internet. The nodes of an internal load balancer have only private IP addresses. The DNS name of an internal load balancer is publicly resolvable to the private IP addresses of the nodes. Therefore, internal load balancers can route requests only from clients with access to the VPC for the load balancer.
        VpcId:
          type: string
          description: The ID of the VPC for the load balancer.
        State:
          $ref: '#/components/schemas/LoadBalancerState'
        Type:
          type: string
          enum:
          - application
          - network
          - gateway
          description: The type of load balancer.
        AvailabilityZones:
          type: array
          items:
            $ref: '#/components/schemas/AvailabilityZone'
          description: The subnets for the load balancer.
        SecurityGroups:
          type: array
          items:
            type: string
          description: The IDs of the security groups for the load balancer.
        IpAddressType:
          type: string
          enum:
          - ipv4
          - dualstack
          - dualstack-without-public-ipv4
          description: The type of IP addresses used for public or private connections by the subnets attached to your load balancer. [Application Load Balancers] The possible values are ipv4 (IPv4 addresses), dualstack (IPv4 and IPv6 addresses), and dualstack-without-public-ipv4 (public IPv6 addresses and private IPv4 and IPv6 addresses). [Network Load Balancers and Gateway Load Balancers] The possible values are ipv4 (IPv4 addresses) and dualstack (IPv4 and IPv6 addresses).
        CustomerOwnedIpv4Pool:
          type: string
          description: '[Application Load Balancers on Outposts] The ID of the customer-owned address pool.'
        EnforceSecurityGroupInboundRulesOnPrivateLinkTraffic:
          type: string
          description: Indicates whether to evaluate inbound security group rules for traffic sent to a Network Load Balancer through Amazon Web Services PrivateLink.
        EnablePrefixForIpv6SourceNat:
          type: string
          enum:
          - 'on'
          - 'off'
          description: '[Network Load Balancers with UDP listeners] Indicates whether to use an IPv6 prefix from each subnet for source NAT. The IP address type must be dualstack. The default value is off.'
        IpamPools:
          $ref: '#/components/schemas/IpamPools'
    CreateLoadBalancerInput:
      type: object
      properties:
        Name:
          type: string
          description: The name of the load balancer. This name must be unique per region per account, can have a maximum of 32 characters, must contain only alphanumeric characters or hyphens, must not begin or end with a hyphen, and must not begin with "internal-".
        Subnets:
          type: array
          items:
            type: string
          description: The IDs of the subnets. You can specify only one subnet per Availability Zone. You must specify either subnets or subnet mappings, but not both. To specify an Elastic IP address, specify subnet mappings instead of subnets. [Application Load Balancers] You must specify subnets from at least two Availability Zones. [Application Load Balancers on Outposts] You must specify one Outpost subnet. [Application Load Balancers on Local Zones] You can specify subnets from one or more Local Zones. [Network Load Balancers and Gateway Load Balancers] You can specify subnets from one or more Availability Zon
        SubnetMappings:
          type: array
          items:
            $ref: '#/components/schemas/SubnetMapping'
          description: The IDs of the subnets. You can specify only one subnet per Availability Zone. You must specify either subnets or subnet mappings, but not both. [Application Load Balancers] You must specify subnets from at least two Availability Zones. You can't specify Elastic IP addresses for your subnets. [Application Load Balancers on Outposts] You must specify one Outpost subnet. [Application Load Balancers on Local Zones] You can specify subnets from one or more Local Zones. [Network Load Balancers] You can specify subnets from one or more Availability Zones. You can specify one Elastic IP address per s
        SecurityGroups:
          type: array
          items:
            type: string
          description: '[Application Load Balancers and Network Load Balancers] The IDs of the security groups for the load balancer.'
        Scheme:
          type: string
          enum:
          - internet-facing
          - internal
          description: The nodes of an Internet-facing load balancer have public IP addresses. The DNS name of an Internet-facing load balancer is publicly resolvable to the public IP addresses of the nodes. Therefore, Internet-facing load balancers can route requests from clients over the internet. The nodes of an internal load balancer have only private IP addresses. The DNS name of an internal load balancer is publicly resolvable to the private IP addresses of the nodes. Therefore, internal load balancers can route requests only from clients with access to the VPC for the load balancer. The default is an Internet
        Tags:
          type: array
          items:
            $ref: '#/components/schemas/Tag'
          description: The tags to assign to the load balancer.
        Type:
          type: string
          enum:
          - application
          - network
          - gateway
          description: The type of load balancer. The default is application.
        IpAddressType:
          type: string
          enum:
          - ipv4
          - dualstack
          - dualstack-without-public-ipv4
          description: The IP address type. Internal load balancers must use ipv4. [Application Load Balancers] The possible values are ipv4 (IPv4 addresses), dualstack (IPv4 and IPv6 addresses), and dualstack-without-public-ipv4 (public IPv6 addresses and private IPv4 and IPv6 addresses). [Network Load Balancers and Gateway Load Balancers] The possible values are ipv4 (IPv4 addresses) and dualstack (IPv4 and IPv6 addresses).
        CustomerOwnedIpv4Pool:
          type: string
          description: '[Application Load Balancers on Outposts] The ID of the customer-owned address pool (CoIP pool).'
        EnablePrefixForIpv6SourceNat:
          type: string
          enum:
          - 'on'
          - 'off'
          description: '[Network Load Balancers with UDP listeners] Indicates whether to use an IPv6 prefix from each subnet for source NAT. The IP address type must be dualstack. The default value is off.'
        IpamPools:
          $ref: '#/components/schemas/IpamPools'
      required:
      - Name
    DeleteLoadBalancerOutput:
      type: object
      properties: {}
    LoadBalancerAddress:
      type: object
      properties:
        IpAddress:
          type: string
          description: The static IP address.
        AllocationId:
          type: string
          description: '[Network Load Balancers] The allocation ID of the Elastic IP address for an internal-facing load balancer.'
        PrivateIPv4Address:
          type: string
          description: '[Network Load Balancers] The private IPv4 address for an internal load balancer.'
        IPv6Address:
          type: string
          description: '[Network Load Balancers] The IPv6 address.'
    DescribeLoadBalancersOutput:
      type: object
      properties:
        LoadBalancers:
          type: array
          items:
            $ref: '#/components/schemas/LoadBalancer_2'
          description: Information about the load balancers.
        NextMarker:
          type: string
          description: If there are additional results, this is the marker for the next set of results. Otherwise, this is null.
    AllocationIdNotFoundException:
      type: object
      properties:
        Message:
          type: string
    LoadBalancerState:
      type: object
      properties:
        Code:
          type: string
          enum:
          - active
          - provisioning
          - active_impaired
          - failed
          description: The state code. The initial state of the load balancer is provisioning. After the load balancer is fully set up and ready to route traffic, its state is active. If load balancer is routing traffic but does not have the resources it needs to scale, its state isactive_impaired. If the load balancer could not be set up, its state is failed.
        Reason:
          type: string
          description: A description of the state.
    LoadBalancerNotFoundException:
      type: object
      properties:
        Message:
          type: string
    AvailabilityZone:
      type: object
      properties:
        ZoneName:
          type: string
          description: The name of the Availability Zone.
        SubnetId:
          type: string
          description: The ID of the subnet. You can specify one subnet per Availability Zone.
        OutpostId:
          type: string
          description: '[Application Load Balancers on Outposts] The ID of the Outpost.'
        LoadBalancerAddresses:
          type: array
          items:
            $ref: '#/components/schemas/LoadBalancerAddress'
          description: '[Network Load Balancers] If you need static IP addresses for your load balancer, you can specify one Elastic IP address per Availability Zone when you create an internal-facing load balancer. For internal load balancers, you can specify a private IP address from the IPv4 range of the subnet.'
        SourceNatIpv6Prefixes:
          type: array
          items:
            type: string
          description: '[Network Load Balancers with UDP listeners] The IPv6 prefixes to use for source NAT. For each subnet, specify an IPv6 prefix (/80 netmask) from the subnet CIDR block or auto_assigned to use an IPv6 prefix selected at random from the subnet CIDR block.'
    Tag:
      type: object
      properties:
        Key:
          type: string
          description: The key of the tag.
        Value:
          type: string
          description: The value of the tag.
      required:
      - Key
    IpamPools:
      type: object
      properties:
        Ipv4IpamPoolId:
          type: string
          description: The ID of the IPv4 IPAM pool.
  securitySchemes:
    sigv4Auth:
      type: apiKey
      name: Authorization
      in: header
      description: AWS Signature Version 4 authentication
    sigv4:
      type: apiKey
      in: header
      name: Authorization
      description: AWS Signature Version 4. The Authorization header carries an AWS4-HMAC-SHA256 signature over the canonical request, with X-Amz-Date (and X-Amz-Security-Token for temporary credentials). Not a bearer token.
      x-aws-sigv4:
        signingName: elasticloadbalancing
externalDocs:
  description: Amazon Elastic Load Balancing API Reference
  url: https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/
x-refined-from:
- amazon-elastic-load-balancing-openapi.yml
- amazon-elastic-load-balancing-load-balancers-api-openapi.yml