# Fastly::BackendApi ```ruby require 'fastly' api_instance = Fastly::BackendApi.new ``` ## Methods > [!NOTE] > All URIs are relative to `https://api.fastly.com` Method | HTTP request | Description ------ | ------------ | ----------- [**create_backend**](BackendApi.md#create_backend) | **POST** /service/{service_id}/version/{version_id}/backend | Create a backend [**delete_backend**](BackendApi.md#delete_backend) | **DELETE** /service/{service_id}/version/{version_id}/backend/{backend_name} | Delete a backend [**get_backend**](BackendApi.md#get_backend) | **GET** /service/{service_id}/version/{version_id}/backend/{backend_name} | Describe a backend [**list_backends**](BackendApi.md#list_backends) | **GET** /service/{service_id}/version/{version_id}/backend | List backends [**update_backend**](BackendApi.md#update_backend) | **PUT** /service/{service_id}/version/{version_id}/backend/{backend_name} | Update a backend ## `create_backend()` ```ruby create_backend(opts): # Create a backend ``` Create a backend for a particular service and version. ### Examples ```ruby api_instance = Fastly::BackendApi.new opts = { service_id: 'service_id_example', # String | Alphanumeric string identifying the service. version_id: 56, # Integer | Integer identifying a service version. address: 'address_example', # String | A hostname, IPv4, or IPv6 address for the backend. This is the preferred way to specify the location of your backend. auto_loadbalance: true, # Boolean | Whether or not this backend should be automatically load balanced. If true, all backends with this setting that don't have a `request_condition` will be selected based on their `weight`. between_bytes_timeout: 56, # Integer | Maximum duration in milliseconds that Fastly will wait while receiving no data on a download from a backend. If exceeded, the response received so far will be considered complete and the fetch will end. May be set at runtime using `bereq.between_bytes_timeout`. client_cert: 'client_cert_example', # String | Unused. comment: 'comment_example', # String | A freeform descriptive note. connect_timeout: 56, # Integer | Maximum duration in milliseconds to wait for a connection to this backend to be established. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.connect_timeout`. first_byte_timeout: 56, # Integer | Maximum duration in milliseconds to wait for the server response to begin after a TCP connection is established and the request has been sent. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.first_byte_timeout`. healthcheck: 'healthcheck_example', # String | The name of the healthcheck to use with this backend. hostname: 'hostname_example', # String | The hostname of the backend. May be used as an alternative to `address` to set the backend location. ipv4: 'ipv4_example', # String | IPv4 address of the backend. May be used as an alternative to `address` to set the backend location. ipv6: 'ipv6_example', # String | IPv6 address of the backend. May be used as an alternative to `address` to set the backend location. keepalive_time: 56, # Integer | How long in seconds to keep a persistent connection to the backend between requests. max_conn: 56, # Integer | Maximum number of concurrent connections this backend will accept. max_tls_version: 'max_tls_version_example', # String | Maximum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. min_tls_version: 'min_tls_version_example', # String | Minimum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. name: 'name_example', # String | The name of the backend. override_host: 'override_host_example', # String | If set, will replace the client-supplied HTTP `Host` header on connections to this backend. Applied after VCL has been processed, so this setting will take precedence over changing `bereq.http.Host` in VCL. port: 56, # Integer | Port on which the backend server is listening for connections from Fastly. Setting `port` to 80 or 443 will also set `use_ssl` automatically (to false and true respectively), unless explicitly overridden by setting `use_ssl` in the same request. request_condition: 'request_condition_example', # String | Name of a Condition, which if satisfied, will select this backend during a request. If set, will override any `auto_loadbalance` setting. By default, the first backend added to a service is selected for all requests. share_key: 'share_key_example', # String | Value that when shared across backends will enable those backends to share the same health check. shield: 'shield_example', # String | Identifier of the POP to use as a [shield](https://docs.fastly.com/en/guides/shielding). ssl_ca_cert: 'ssl_ca_cert_example', # String | CA certificate attached to origin. ssl_cert_hostname: 'ssl_cert_hostname_example', # String | Overrides `ssl_hostname`, but only for cert verification. Does not affect SNI at all. ssl_check_cert: true, # Boolean | Be strict on checking SSL certs. ssl_ciphers: 'ssl_ciphers_example', # String | List of [OpenSSL ciphers](https://www.openssl.org/docs/man1.1.1/man1/ciphers.html) to support for connections to this origin. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. ssl_client_cert: 'ssl_client_cert_example', # String | Client certificate attached to origin. ssl_client_key: 'ssl_client_key_example', # String | Client key attached to origin. ssl_hostname: 'ssl_hostname_example', # String | Use `ssl_cert_hostname` and `ssl_sni_hostname` to configure certificate validation. ssl_sni_hostname: 'ssl_sni_hostname_example', # String | Overrides `ssl_hostname`, but only for SNI in the handshake. Does not affect cert validation at all. tcp_keepalive_enable: true, # Boolean | Whether to enable TCP keepalives for backend connections. Varnish defaults to using keepalives if this is unspecified. tcp_keepalive_interval: 56, # Integer | Interval in seconds between subsequent keepalive probes. tcp_keepalive_probes: 56, # Integer | Number of unacknowledged probes to send before considering the connection dead. tcp_keepalive_time: 56, # Integer | Interval in seconds between the last data packet sent and the first keepalive probe. use_ssl: true, # Boolean | Whether or not to require TLS for connections to this backend. weight: 56, # Integer | Weight used to load balance this backend against others. May be any positive integer. If `auto_loadbalance` is true, the chance of this backend being selected is equal to its own weight over the sum of all weights for backends that have `auto_loadbalance` set to true. } begin # Create a backend result = api_instance.create_backend(opts) p result rescue Fastly::ApiError => e puts "Error when calling BackendApi->create_backend: #{e}" end ``` ### Options | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **service_id** | **String** | Alphanumeric string identifying the service. | | | **version_id** | **Integer** | Integer identifying a service version. | | | **address** | **String** | A hostname, IPv4, or IPv6 address for the backend. This is the preferred way to specify the location of your backend. | [optional] | | **auto_loadbalance** | **Boolean** | Whether or not this backend should be automatically load balanced. If true, all backends with this setting that don't have a `request_condition` will be selected based on their `weight`. | [optional] | | **between_bytes_timeout** | **Integer** | Maximum duration in milliseconds that Fastly will wait while receiving no data on a download from a backend. If exceeded, the response received so far will be considered complete and the fetch will end. May be set at runtime using `bereq.between_bytes_timeout`. | [optional] | | **client_cert** | **String** | Unused. | [optional] | | **comment** | **String** | A freeform descriptive note. | [optional] | | **connect_timeout** | **Integer** | Maximum duration in milliseconds to wait for a connection to this backend to be established. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.connect_timeout`. | [optional] | | **first_byte_timeout** | **Integer** | Maximum duration in milliseconds to wait for the server response to begin after a TCP connection is established and the request has been sent. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.first_byte_timeout`. | [optional] | | **healthcheck** | **String** | The name of the healthcheck to use with this backend. | [optional] | | **hostname** | **String** | The hostname of the backend. May be used as an alternative to `address` to set the backend location. | [optional] | | **ipv4** | **String** | IPv4 address of the backend. May be used as an alternative to `address` to set the backend location. | [optional] | | **ipv6** | **String** | IPv6 address of the backend. May be used as an alternative to `address` to set the backend location. | [optional] | | **keepalive_time** | **Integer** | How long in seconds to keep a persistent connection to the backend between requests. | [optional] | | **max_conn** | **Integer** | Maximum number of concurrent connections this backend will accept. | [optional] | | **max_tls_version** | **String** | Maximum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. | [optional] | | **min_tls_version** | **String** | Minimum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. | [optional] | | **name** | **String** | The name of the backend. | [optional] | | **override_host** | **String** | If set, will replace the client-supplied HTTP `Host` header on connections to this backend. Applied after VCL has been processed, so this setting will take precedence over changing `bereq.http.Host` in VCL. | [optional] | | **port** | **Integer** | Port on which the backend server is listening for connections from Fastly. Setting `port` to 80 or 443 will also set `use_ssl` automatically (to false and true respectively), unless explicitly overridden by setting `use_ssl` in the same request. | [optional] | | **request_condition** | **String** | Name of a Condition, which if satisfied, will select this backend during a request. If set, will override any `auto_loadbalance` setting. By default, the first backend added to a service is selected for all requests. | [optional] | | **share_key** | **String** | Value that when shared across backends will enable those backends to share the same health check. | [optional] | | **shield** | **String** | Identifier of the POP to use as a [shield](https://docs.fastly.com/en/guides/shielding). | [optional] | | **ssl_ca_cert** | **String** | CA certificate attached to origin. | [optional] | | **ssl_cert_hostname** | **String** | Overrides `ssl_hostname`, but only for cert verification. Does not affect SNI at all. | [optional] | | **ssl_check_cert** | **Boolean** | Be strict on checking SSL certs. | [optional][default to true] | | **ssl_ciphers** | **String** | List of [OpenSSL ciphers](https://www.openssl.org/docs/man1.1.1/man1/ciphers.html) to support for connections to this origin. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. | [optional] | | **ssl_client_cert** | **String** | Client certificate attached to origin. | [optional] | | **ssl_client_key** | **String** | Client key attached to origin. | [optional] | | **ssl_hostname** | **String** | Use `ssl_cert_hostname` and `ssl_sni_hostname` to configure certificate validation. | [optional] | | **ssl_sni_hostname** | **String** | Overrides `ssl_hostname`, but only for SNI in the handshake. Does not affect cert validation at all. | [optional] | | **tcp_keepalive_enable** | **Boolean** | Whether to enable TCP keepalives for backend connections. Varnish defaults to using keepalives if this is unspecified. | [optional] | | **tcp_keepalive_interval** | **Integer** | Interval in seconds between subsequent keepalive probes. | [optional] | | **tcp_keepalive_probes** | **Integer** | Number of unacknowledged probes to send before considering the connection dead. | [optional] | | **tcp_keepalive_time** | **Integer** | Interval in seconds between the last data packet sent and the first keepalive probe. | [optional] | | **use_ssl** | **Boolean** | Whether or not to require TLS for connections to this backend. | [optional] | | **weight** | **Integer** | Weight used to load balance this backend against others. May be any positive integer. If `auto_loadbalance` is true, the chance of this backend being selected is equal to its own weight over the sum of all weights for backends that have `auto_loadbalance` set to true. | [optional] | ### Return type [**BackendResponse**](BackendResponse.md) [[Back to top]](#) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md) ## `delete_backend()` ```ruby delete_backend(opts): # Delete a backend ``` Delete the backend for a particular service and version. ### Examples ```ruby api_instance = Fastly::BackendApi.new opts = { service_id: 'service_id_example', # String | Alphanumeric string identifying the service. version_id: 56, # Integer | Integer identifying a service version. backend_name: 'backend_name_example', # String | The name of the backend. } begin # Delete a backend result = api_instance.delete_backend(opts) p result rescue Fastly::ApiError => e puts "Error when calling BackendApi->delete_backend: #{e}" end ``` ### Options | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **service_id** | **String** | Alphanumeric string identifying the service. | | | **version_id** | **Integer** | Integer identifying a service version. | | | **backend_name** | **String** | The name of the backend. | | ### Return type [**InlineResponse200**](InlineResponse200.md) [[Back to top]](#) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md) ## `get_backend()` ```ruby get_backend(opts): # Describe a backend ``` Get the backend for a particular service and version. ### Examples ```ruby api_instance = Fastly::BackendApi.new opts = { service_id: 'service_id_example', # String | Alphanumeric string identifying the service. version_id: 56, # Integer | Integer identifying a service version. backend_name: 'backend_name_example', # String | The name of the backend. } begin # Describe a backend result = api_instance.get_backend(opts) p result rescue Fastly::ApiError => e puts "Error when calling BackendApi->get_backend: #{e}" end ``` ### Options | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **service_id** | **String** | Alphanumeric string identifying the service. | | | **version_id** | **Integer** | Integer identifying a service version. | | | **backend_name** | **String** | The name of the backend. | | ### Return type [**BackendResponse**](BackendResponse.md) [[Back to top]](#) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md) ## `list_backends()` ```ruby list_backends(opts): > # List backends ``` List all backends for a particular service and version. ### Examples ```ruby api_instance = Fastly::BackendApi.new opts = { service_id: 'service_id_example', # String | Alphanumeric string identifying the service. version_id: 56, # Integer | Integer identifying a service version. } begin # List backends result = api_instance.list_backends(opts) p result rescue Fastly::ApiError => e puts "Error when calling BackendApi->list_backends: #{e}" end ``` ### Options | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **service_id** | **String** | Alphanumeric string identifying the service. | | | **version_id** | **Integer** | Integer identifying a service version. | | ### Return type [**Array<BackendResponse>**](BackendResponse.md) [[Back to top]](#) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md) ## `update_backend()` ```ruby update_backend(opts): # Update a backend ``` Update the backend for a particular service and version. ### Examples ```ruby api_instance = Fastly::BackendApi.new opts = { service_id: 'service_id_example', # String | Alphanumeric string identifying the service. version_id: 56, # Integer | Integer identifying a service version. backend_name: 'backend_name_example', # String | The name of the backend. address: 'address_example', # String | A hostname, IPv4, or IPv6 address for the backend. This is the preferred way to specify the location of your backend. auto_loadbalance: true, # Boolean | Whether or not this backend should be automatically load balanced. If true, all backends with this setting that don't have a `request_condition` will be selected based on their `weight`. between_bytes_timeout: 56, # Integer | Maximum duration in milliseconds that Fastly will wait while receiving no data on a download from a backend. If exceeded, the response received so far will be considered complete and the fetch will end. May be set at runtime using `bereq.between_bytes_timeout`. client_cert: 'client_cert_example', # String | Unused. comment: 'comment_example', # String | A freeform descriptive note. connect_timeout: 56, # Integer | Maximum duration in milliseconds to wait for a connection to this backend to be established. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.connect_timeout`. first_byte_timeout: 56, # Integer | Maximum duration in milliseconds to wait for the server response to begin after a TCP connection is established and the request has been sent. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.first_byte_timeout`. healthcheck: 'healthcheck_example', # String | The name of the healthcheck to use with this backend. hostname: 'hostname_example', # String | The hostname of the backend. May be used as an alternative to `address` to set the backend location. ipv4: 'ipv4_example', # String | IPv4 address of the backend. May be used as an alternative to `address` to set the backend location. ipv6: 'ipv6_example', # String | IPv6 address of the backend. May be used as an alternative to `address` to set the backend location. keepalive_time: 56, # Integer | How long in seconds to keep a persistent connection to the backend between requests. max_conn: 56, # Integer | Maximum number of concurrent connections this backend will accept. max_tls_version: 'max_tls_version_example', # String | Maximum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. min_tls_version: 'min_tls_version_example', # String | Minimum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. name: 'name_example', # String | The name of the backend. override_host: 'override_host_example', # String | If set, will replace the client-supplied HTTP `Host` header on connections to this backend. Applied after VCL has been processed, so this setting will take precedence over changing `bereq.http.Host` in VCL. port: 56, # Integer | Port on which the backend server is listening for connections from Fastly. Setting `port` to 80 or 443 will also set `use_ssl` automatically (to false and true respectively), unless explicitly overridden by setting `use_ssl` in the same request. request_condition: 'request_condition_example', # String | Name of a Condition, which if satisfied, will select this backend during a request. If set, will override any `auto_loadbalance` setting. By default, the first backend added to a service is selected for all requests. share_key: 'share_key_example', # String | Value that when shared across backends will enable those backends to share the same health check. shield: 'shield_example', # String | Identifier of the POP to use as a [shield](https://docs.fastly.com/en/guides/shielding). ssl_ca_cert: 'ssl_ca_cert_example', # String | CA certificate attached to origin. ssl_cert_hostname: 'ssl_cert_hostname_example', # String | Overrides `ssl_hostname`, but only for cert verification. Does not affect SNI at all. ssl_check_cert: true, # Boolean | Be strict on checking SSL certs. ssl_ciphers: 'ssl_ciphers_example', # String | List of [OpenSSL ciphers](https://www.openssl.org/docs/man1.1.1/man1/ciphers.html) to support for connections to this origin. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. ssl_client_cert: 'ssl_client_cert_example', # String | Client certificate attached to origin. ssl_client_key: 'ssl_client_key_example', # String | Client key attached to origin. ssl_hostname: 'ssl_hostname_example', # String | Use `ssl_cert_hostname` and `ssl_sni_hostname` to configure certificate validation. ssl_sni_hostname: 'ssl_sni_hostname_example', # String | Overrides `ssl_hostname`, but only for SNI in the handshake. Does not affect cert validation at all. tcp_keepalive_enable: true, # Boolean | Whether to enable TCP keepalives for backend connections. Varnish defaults to using keepalives if this is unspecified. tcp_keepalive_interval: 56, # Integer | Interval in seconds between subsequent keepalive probes. tcp_keepalive_probes: 56, # Integer | Number of unacknowledged probes to send before considering the connection dead. tcp_keepalive_time: 56, # Integer | Interval in seconds between the last data packet sent and the first keepalive probe. use_ssl: true, # Boolean | Whether or not to require TLS for connections to this backend. weight: 56, # Integer | Weight used to load balance this backend against others. May be any positive integer. If `auto_loadbalance` is true, the chance of this backend being selected is equal to its own weight over the sum of all weights for backends that have `auto_loadbalance` set to true. } begin # Update a backend result = api_instance.update_backend(opts) p result rescue Fastly::ApiError => e puts "Error when calling BackendApi->update_backend: #{e}" end ``` ### Options | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **service_id** | **String** | Alphanumeric string identifying the service. | | | **version_id** | **Integer** | Integer identifying a service version. | | | **backend_name** | **String** | The name of the backend. | | | **address** | **String** | A hostname, IPv4, or IPv6 address for the backend. This is the preferred way to specify the location of your backend. | [optional] | | **auto_loadbalance** | **Boolean** | Whether or not this backend should be automatically load balanced. If true, all backends with this setting that don't have a `request_condition` will be selected based on their `weight`. | [optional] | | **between_bytes_timeout** | **Integer** | Maximum duration in milliseconds that Fastly will wait while receiving no data on a download from a backend. If exceeded, the response received so far will be considered complete and the fetch will end. May be set at runtime using `bereq.between_bytes_timeout`. | [optional] | | **client_cert** | **String** | Unused. | [optional] | | **comment** | **String** | A freeform descriptive note. | [optional] | | **connect_timeout** | **Integer** | Maximum duration in milliseconds to wait for a connection to this backend to be established. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.connect_timeout`. | [optional] | | **first_byte_timeout** | **Integer** | Maximum duration in milliseconds to wait for the server response to begin after a TCP connection is established and the request has been sent. If exceeded, the connection is aborted and a synthetic `503` response will be presented instead. May be set at runtime using `bereq.first_byte_timeout`. | [optional] | | **healthcheck** | **String** | The name of the healthcheck to use with this backend. | [optional] | | **hostname** | **String** | The hostname of the backend. May be used as an alternative to `address` to set the backend location. | [optional] | | **ipv4** | **String** | IPv4 address of the backend. May be used as an alternative to `address` to set the backend location. | [optional] | | **ipv6** | **String** | IPv6 address of the backend. May be used as an alternative to `address` to set the backend location. | [optional] | | **keepalive_time** | **Integer** | How long in seconds to keep a persistent connection to the backend between requests. | [optional] | | **max_conn** | **Integer** | Maximum number of concurrent connections this backend will accept. | [optional] | | **max_tls_version** | **String** | Maximum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. | [optional] | | **min_tls_version** | **String** | Minimum allowed TLS version on SSL connections to this backend. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. | [optional] | | **name** | **String** | The name of the backend. | [optional] | | **override_host** | **String** | If set, will replace the client-supplied HTTP `Host` header on connections to this backend. Applied after VCL has been processed, so this setting will take precedence over changing `bereq.http.Host` in VCL. | [optional] | | **port** | **Integer** | Port on which the backend server is listening for connections from Fastly. Setting `port` to 80 or 443 will also set `use_ssl` automatically (to false and true respectively), unless explicitly overridden by setting `use_ssl` in the same request. | [optional] | | **request_condition** | **String** | Name of a Condition, which if satisfied, will select this backend during a request. If set, will override any `auto_loadbalance` setting. By default, the first backend added to a service is selected for all requests. | [optional] | | **share_key** | **String** | Value that when shared across backends will enable those backends to share the same health check. | [optional] | | **shield** | **String** | Identifier of the POP to use as a [shield](https://docs.fastly.com/en/guides/shielding). | [optional] | | **ssl_ca_cert** | **String** | CA certificate attached to origin. | [optional] | | **ssl_cert_hostname** | **String** | Overrides `ssl_hostname`, but only for cert verification. Does not affect SNI at all. | [optional] | | **ssl_check_cert** | **Boolean** | Be strict on checking SSL certs. | [optional][default to true] | | **ssl_ciphers** | **String** | List of [OpenSSL ciphers](https://www.openssl.org/docs/man1.1.1/man1/ciphers.html) to support for connections to this origin. If your backend server is not able to negotiate a connection meeting this constraint, a synthetic `503` error response will be generated. | [optional] | | **ssl_client_cert** | **String** | Client certificate attached to origin. | [optional] | | **ssl_client_key** | **String** | Client key attached to origin. | [optional] | | **ssl_hostname** | **String** | Use `ssl_cert_hostname` and `ssl_sni_hostname` to configure certificate validation. | [optional] | | **ssl_sni_hostname** | **String** | Overrides `ssl_hostname`, but only for SNI in the handshake. Does not affect cert validation at all. | [optional] | | **tcp_keepalive_enable** | **Boolean** | Whether to enable TCP keepalives for backend connections. Varnish defaults to using keepalives if this is unspecified. | [optional] | | **tcp_keepalive_interval** | **Integer** | Interval in seconds between subsequent keepalive probes. | [optional] | | **tcp_keepalive_probes** | **Integer** | Number of unacknowledged probes to send before considering the connection dead. | [optional] | | **tcp_keepalive_time** | **Integer** | Interval in seconds between the last data packet sent and the first keepalive probe. | [optional] | | **use_ssl** | **Boolean** | Whether or not to require TLS for connections to this backend. | [optional] | | **weight** | **Integer** | Weight used to load balance this backend against others. May be any positive integer. If `auto_loadbalance` is true, the chance of this backend being selected is equal to its own weight over the sum of all weights for backends that have `auto_loadbalance` set to true. | [optional] | ### Return type [**BackendResponse**](BackendResponse.md) [[Back to top]](#) [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)