diff --git a/Cargo.lock b/Cargo.lock
index caca998..63d1b4d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -245,6 +245,55 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is-terminal",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a30da5c5f2d5e72842e00bcb57657162cdabef0931f40e2deb9b4140440cecd"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c677ab05e09154296dd37acecd46420c17b9713e8366facafa8fc0885167cf4c"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -357,6 +406,53 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clap"
+version = "4.3.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c27cdf28c0f604ba3f512b0c9a409f8de8513e4816705deb0498b627e7c3a3fd"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+ "once_cell",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.3.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08a9f1ab5e9f01a9b81f202e8562eb9a10de70abf9eaeac1be465c28b75aa4aa"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54a9bb5758fc5dfe728d1019941681eccaf0cf8a4189b692a0ee2f2ecf90a050"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.28",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2da6da31387c7e4ef160ffab6d5e7f00c42626fe39aea70a7b0f1773f7dd6c1b"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -686,6 +782,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.2"
@@ -817,6 +919,17 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28b29a3cd74f0f4598934efe3aeba42bae0eb4680554128851ebbecb02af14e6"
 
+[[package]]
+name = "is-terminal"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
+dependencies = [
+ "hermit-abi",
+ "rustix",
+ "windows-sys",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -1548,6 +1661,12 @@ dependencies = [
  "quote",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -1575,6 +1694,7 @@ name = "tatoeba"
 version = "0.1.0"
 dependencies = [
  "actix-web",
+ "clap",
  "derive_more",
  "mime",
  "reqwest",
@@ -1773,6 +1893,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "utils"
 version = "0.1.0"
diff --git a/tatoeba/Cargo.toml b/tatoeba/Cargo.toml
index e0dcc41..8b82d3e 100644
--- a/tatoeba/Cargo.toml
+++ b/tatoeba/Cargo.toml
@@ -11,3 +11,4 @@ actix-web = "4.3.1"
 derive_more = "0.99.17"
 mime = "0.3.17"
 reqwest = "0.11.18"
+clap = { version = "4.3.21", features = ["derive"] }
diff --git a/tatoeba/src/main.rs b/tatoeba/src/main.rs
index c39817a..a103260 100644
--- a/tatoeba/src/main.rs
+++ b/tatoeba/src/main.rs
@@ -1,9 +1,19 @@
 use utils::{error::{Error, Result}, is_human};
 
 use actix_web::{get, http::header, App, HttpRequest, HttpResponse, HttpServer, Responder};
+use clap::Parser;
 
 pub const TATOEBA_API: &str = "https://tatoeba.org/en/api_v0/search";
 
+/// A proxy of the Tatoeba API with no CORS restrictions.
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+    /// The port at which to run.
+    #[arg(short, long, default_value_t=3001)]
+    port: u16,
+}
+
 #[get("/")]
 async fn root(request: HttpRequest) -> Result<impl Responder> {
     let target = format!("{TATOEBA_API}?{}", request.query_string());
@@ -19,7 +29,7 @@ async fn root(request: HttpRequest) -> Result<impl Responder> {
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| App::new().service(root))
-        .bind(("127.0.0.1", 3001))?
+        .bind(("127.0.0.1", Args::parse().port))?
         .run()
         .await
 }