diff --git a/smarty-rust-proc-macro/src/lib.rs b/smarty-rust-proc-macro/src/lib.rs
index 1660464..111ddd0 100644
--- a/smarty-rust-proc-macro/src/lib.rs
+++ b/smarty-rust-proc-macro/src/lib.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::manual_unwrap_or_default)]
+
 extern crate darling;
 extern crate proc_macro;
 
@@ -106,12 +108,12 @@ fn impl_smarty_api_macro(attrs: &MacroArgs, ast: &mut syn::DeriveInput) -> Token
 
     impl #name {
         /// Creates a new client with the given options
-        pub fn new(options: Options) -> Result<Self, ParseError> {
+        pub fn new(options: Options) -> Result<Self, SmartyError> {
             Self::new_custom_base_url(#default_url.parse()?, options)
         }
 
         /// Creates a new client with the given options that points to a different url.
-        pub fn new_custom_base_url(base_url: Url, options: Options) -> Result<Self, ParseError> {
+        pub fn new_custom_base_url(base_url: Url, options: Options) -> Result<Self, SmartyError> {
             Ok(Self {client: Client::new(base_url, options, #api_path)?})
         }
     }
diff --git a/smarty-rust-sdk/src/international_autocomplete_api/client.rs b/smarty-rust-sdk/src/international_autocomplete_api/client.rs
index 64cc082..4503d3e 100644
--- a/smarty-rust-sdk/src/international_autocomplete_api/client.rs
+++ b/smarty-rust-sdk/src/international_autocomplete_api/client.rs
@@ -6,7 +6,7 @@ use crate::sdk::options::Options;
 use crate::sdk::send_request;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     api_path = "v2/lookup/",
diff --git a/smarty-rust-sdk/src/international_street_api/client.rs b/smarty-rust-sdk/src/international_street_api/client.rs
index 42f2e42..5af974e 100644
--- a/smarty-rust-sdk/src/international_street_api/client.rs
+++ b/smarty-rust-sdk/src/international_street_api/client.rs
@@ -6,7 +6,7 @@ use crate::sdk::options::Options;
 use crate::sdk::send_request;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     api_path = "verify",
diff --git a/smarty-rust-sdk/src/sdk/client.rs b/smarty-rust-sdk/src/sdk/client.rs
index 40a81e8..7c565e2 100644
--- a/smarty-rust-sdk/src/sdk/client.rs
+++ b/smarty-rust-sdk/src/sdk/client.rs
@@ -3,9 +3,9 @@ use crate::sdk::options::Options;
 use crate::sdk::VERSION;
 use reqwest::header::USER_AGENT;
 use reqwest_middleware::{ClientBuilder, ClientWithMiddleware, RequestBuilder};
-use url::{ParseError, Url};
+use url::Url;
 
-use super::retry_strategy::SmartyRetryMiddleware;
+use super::{error::SmartyError, retry_strategy::SmartyRetryMiddleware};
 
 /// The base client for all of Smarty's rust sdk
 pub(crate) struct Client {
@@ -19,11 +19,21 @@ impl Client {
         base_url: Url,
         options: Options,
         api_path: &str,
-    ) -> Result<Client, ParseError> {
+    ) -> Result<Client, SmartyError> {
         let url = &mut base_url.join(api_path)?;
 
-        let mut client_builder = ClientBuilder::new(reqwest::Client::new())
-            .with(SmartyRetryMiddleware::new(options.num_retries));
+        let mut reqwest_client_builder = reqwest::ClientBuilder::new();
+
+        if let Some(proxy) = options.proxy.clone() {
+            reqwest_client_builder = reqwest_client_builder.proxy(proxy);
+        }
+
+        let mut client_builder = ClientBuilder::new(
+            reqwest_client_builder
+                .build()
+                .map_err(SmartyError::RequestProcess)?,
+        )
+        .with(SmartyRetryMiddleware::new(options.num_retries));
 
         if options.logging_enabled {
             client_builder = client_builder.with(LoggingMiddleware);
diff --git a/smarty-rust-sdk/src/sdk/options.rs b/smarty-rust-sdk/src/sdk/options.rs
index 5478ed4..31d7c27 100644
--- a/smarty-rust-sdk/src/sdk/options.rs
+++ b/smarty-rust-sdk/src/sdk/options.rs
@@ -1,3 +1,5 @@
+use reqwest::Proxy;
+
 use crate::sdk::authentication::Authenticate;
 
 /// A builder for the options
@@ -17,6 +19,8 @@ pub struct OptionsBuilder {
     logging_enabled: bool,
     headers: Vec<(String, String)>,
     authentication: Option<Box<dyn Authenticate>>,
+
+    proxy: Option<Proxy>,
 }
 
 // Allowing this because it is a builder pattern
@@ -30,6 +34,8 @@ impl OptionsBuilder {
             logging_enabled: false,
             headers: vec![],
             authentication,
+
+            proxy: None,
         }
     }
 
@@ -42,6 +48,8 @@ impl OptionsBuilder {
             logging_enabled: self.logging_enabled,
             headers: self.headers,
             authentication: self.authentication,
+
+            proxy: self.proxy,
         }
     }
 
@@ -68,6 +76,12 @@ impl OptionsBuilder {
         self.headers = headers;
         self
     }
+
+    /// Adds a custom proxy for the request to point to.
+    pub fn with_proxy(mut self, proxy: Proxy) -> Self {
+        self.proxy = Some(proxy);
+        self
+    }
 }
 
 /// Options that can be passed into a new client
@@ -89,6 +103,9 @@ pub struct Options {
 
     // Authentication
     pub(crate) authentication: Option<Box<dyn Authenticate>>,
+
+    // Proxy
+    pub(crate) proxy: Option<Proxy>,
 }
 
 impl Clone for Options {
@@ -99,6 +116,7 @@ impl Clone for Options {
             logging_enabled: self.logging_enabled,
             headers: self.headers.clone(),
             authentication: self.authentication.as_ref().map(|x| x.clone_box()),
+            proxy: self.proxy.clone(),
         }
     }
 }
diff --git a/smarty-rust-sdk/src/us_autocomplete_api/client.rs b/smarty-rust-sdk/src/us_autocomplete_api/client.rs
index 27277bb..3d0cfa5 100644
--- a/smarty-rust-sdk/src/us_autocomplete_api/client.rs
+++ b/smarty-rust-sdk/src/us_autocomplete_api/client.rs
@@ -6,7 +6,7 @@ use crate::us_autocomplete_api::lookup::Lookup;
 use crate::us_autocomplete_api::suggestion::SuggestionListing;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     api_path = "suggest",
diff --git a/smarty-rust-sdk/src/us_autocomplete_pro_api/client.rs b/smarty-rust-sdk/src/us_autocomplete_pro_api/client.rs
index bee9ae6..31b495c 100644
--- a/smarty-rust-sdk/src/us_autocomplete_pro_api/client.rs
+++ b/smarty-rust-sdk/src/us_autocomplete_pro_api/client.rs
@@ -6,7 +6,7 @@ use crate::us_autocomplete_pro_api::lookup::Lookup;
 use crate::us_autocomplete_pro_api::suggestion::SuggestionListing;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     api_path = "lookup",
diff --git a/smarty-rust-sdk/src/us_enrichment_api/client.rs b/smarty-rust-sdk/src/us_enrichment_api/client.rs
index c4a122c..530030d 100644
--- a/smarty-rust-sdk/src/us_enrichment_api/client.rs
+++ b/smarty-rust-sdk/src/us_enrichment_api/client.rs
@@ -7,7 +7,7 @@ use crate::us_enrichment_api::results::EnrichmentResponse;
 use reqwest::Method;
 use serde::de::DeserializeOwned;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     api_path = "lookup",
diff --git a/smarty-rust-sdk/src/us_extract_api/client.rs b/smarty-rust-sdk/src/us_extract_api/client.rs
index 79da26c..58c4a9a 100644
--- a/smarty-rust-sdk/src/us_extract_api/client.rs
+++ b/smarty-rust-sdk/src/us_extract_api/client.rs
@@ -5,7 +5,7 @@ use crate::sdk::send_request;
 use crate::us_extract_api::lookup::Lookup;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     api_path = "",
diff --git a/smarty-rust-sdk/src/us_reverse_geo_api/client.rs b/smarty-rust-sdk/src/us_reverse_geo_api/client.rs
index 840e0a7..cbc89e9 100644
--- a/smarty-rust-sdk/src/us_reverse_geo_api/client.rs
+++ b/smarty-rust-sdk/src/us_reverse_geo_api/client.rs
@@ -6,7 +6,7 @@ use crate::us_reverse_geo_api::address::Results;
 use crate::us_reverse_geo_api::lookup::Lookup;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     api_path = "lookup",
diff --git a/smarty-rust-sdk/src/us_street_api/client.rs b/smarty-rust-sdk/src/us_street_api/client.rs
index e808878..9795d2a 100644
--- a/smarty-rust-sdk/src/us_street_api/client.rs
+++ b/smarty-rust-sdk/src/us_street_api/client.rs
@@ -2,7 +2,7 @@ use crate::sdk::batch::Batch;
 use crate::sdk::client::Client;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 use crate::sdk::error::SmartyError;
 use crate::sdk::options::Options;
diff --git a/smarty-rust-sdk/src/us_zipcode_api/client.rs b/smarty-rust-sdk/src/us_zipcode_api/client.rs
index 1990704..40e127c 100644
--- a/smarty-rust-sdk/src/us_zipcode_api/client.rs
+++ b/smarty-rust-sdk/src/us_zipcode_api/client.rs
@@ -7,7 +7,7 @@ use crate::us_zipcode_api::candidate::ZipcodeResult;
 use crate::us_zipcode_api::lookup::Lookup;
 use reqwest::Method;
 use smarty_rust_proc_macro::smarty_api;
-use url::{ParseError, Url};
+use url::Url;
 
 #[smarty_api(
     default_url = "https://us-zipcode.api.smarty.com/",