diff --git a/app/logical/danbooru/http.rb b/app/logical/danbooru/http.rb
index 2437ed885..a5f62d90a 100644
--- a/app/logical/danbooru/http.rb
+++ b/app/logical/danbooru/http.rb
@@ -117,6 +117,14 @@ module Danbooru
       use(cache: { expires_in: expires_in })
     end
 
+    def proxy(host: Danbooru.config.http_proxy_host, port: Danbooru.config.http_proxy_port.to_i, username: Danbooru.config.http_proxy_username, password: Danbooru.config.http_proxy_password)
+      return self if host.blank?
+
+      dup.tap do |o|
+        o.http = o.http.via(host, port, username, password)
+      end
+    end
+
     # allow requests only to public IPs, not to local or private networks.
     def public_only
       dup.tap do |o|
diff --git a/app/logical/sources/strategies/base.rb b/app/logical/sources/strategies/base.rb
index c8a3f2bc9..4b0e50690 100644
--- a/app/logical/sources/strategies/base.rb
+++ b/app/logical/sources/strategies/base.rb
@@ -231,7 +231,7 @@ module Sources
 
       # A http client for API requests.
       def http
-        Danbooru::Http.new.public_only
+        Danbooru::Http.new.proxy.public_only
       end
       memoize :http
 
diff --git a/app/logical/sources/strategies/pixiv.rb b/app/logical/sources/strategies/pixiv.rb
index 3f89ec70f..fb80f8e6b 100644
--- a/app/logical/sources/strategies/pixiv.rb
+++ b/app/logical/sources/strategies/pixiv.rb
@@ -269,7 +269,7 @@ module Sources
       end
 
       def api_client
-        PixivAjaxClient.new(Danbooru.config.pixiv_phpsessid)
+        PixivAjaxClient.new(Danbooru.config.pixiv_phpsessid, http: http)
       end
 
       def api_illust
diff --git a/app/logical/twitter_api_client.rb b/app/logical/twitter_api_client.rb
index 48e4833eb..c75bcc861 100644
--- a/app/logical/twitter_api_client.rb
+++ b/app/logical/twitter_api_client.rb
@@ -3,13 +3,13 @@
 class TwitterApiClient
   extend Memoist
 
-  attr_reader :api_key, :api_secret
+  attr_reader :api_key, :api_secret, :http
 
   # Create a Twitter API client
   # @param api_key [String] the Twitter API key
   # @param api_secret [String] the Twitter API secret
-  def initialize(api_key, api_secret)
-    @api_key, @api_secret = api_key, api_secret
+  def initialize(api_key, api_secret, http: Danbooru::Http.new)
+    @api_key, @api_secret, @http = api_key, api_secret, http
   end
 
   # Authenticate to Twitter with an API key and secret and receive a bearer token in response.
@@ -17,14 +17,13 @@ class TwitterApiClient
   # @return [String] the Twitter bearer token
   # @see https://developer.twitter.com/en/docs/authentication/api-reference/token
   def bearer_token(token_expiry = 24.hours)
-    http = Danbooru::Http.basic_auth(user: api_key, pass: api_secret)
-    response = http.cache(token_expiry).post("https://api.twitter.com/oauth2/token", form: { grant_type: :client_credentials })
+    response = http.basic_auth(user: api_key, pass: api_secret).cache(token_expiry).post("https://api.twitter.com/oauth2/token", form: { grant_type: :client_credentials })
     response.parse["access_token"]
   end
 
   # @return [Danbooru::Http] the HTTP client to connect to Twitter with
   def client
-    Danbooru::Http.auth("Bearer #{bearer_token}")
+    http.auth("Bearer #{bearer_token}")
   end
 
   # Fetch a tweet by id.
diff --git a/config/danbooru_default_config.rb b/config/danbooru_default_config.rb
index f52a3bada..4ea40fabd 100644
--- a/config/danbooru_default_config.rb
+++ b/config/danbooru_default_config.rb
@@ -494,6 +494,18 @@ module Danbooru
       false
     end
 
+    def http_proxy_host
+    end
+
+    def http_proxy_port
+    end
+
+    def http_proxy_username
+    end
+
+    def http_proxy_password
+    end
+
     # The URL for the Reportbooru server (https://github.com/evazion/reportbooru).
     # Optional. Used for tracking post views, popular searches, and missed searches.
     # Set to http://localhost/mock/reportbooru to enable a fake reportbooru