diff --git a/Cargo.lock b/Cargo.lock
index c5b54f2..2d66c0c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -38,6 +38,15 @@ version = "1.0.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcfed56ad506cb2c684a14971b8861fdc3baaaae314b9e5f9bb532cbe3ba7a4f"
 
+[[package]]
+name = "arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1"
+dependencies = [
+ "derive_arbitrary",
+]
+
 [[package]]
 name = "argon2"
 version = "0.5.3"
@@ -336,6 +345,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "derive_arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e567bd82dcff979e4b03460c307b3cdc9e96fde3d73bed1496d2bc75d9dd62a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -425,6 +445,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ced92e76e966ca2fd84c8f7aa01a4aea65b0eb6648d72f7c8f3e2764a67fece"
 dependencies = [
  "crc32fast",
+ "libz-rs-sys",
  "miniz_oxide",
 ]
 
@@ -728,7 +749,7 @@ dependencies = [
 
 [[package]]
 name = "icarus_auth"
-version = "0.4.3"
+version = "0.4.4"
 dependencies = [
  "argon2",
  "axum",
@@ -747,13 +768,15 @@ dependencies = [
  "tower",
  "tracing-subscriber",
  "url",
+ "utoipa",
+ "utoipa-swagger-ui",
  "uuid",
 ]
 
 [[package]]
 name = "icarus_envy"
-version = "0.3.1"
-source = "git+ssh://git@git.kundeng.us/phoenix/icarus_envy.git?tag=v0.3.1-main-3cd42dab6b-006#3cd42dab6b2503609883f5f57ad3508755c34a2e"
+version = "0.3.2"
+source = "git+ssh://git@git.kundeng.us/phoenix/icarus_envy.git?tag=v0.3.2#d84a8144aedf02e1b459d67c4023a7e0833f89fd"
 dependencies = [
  "const_format",
  "dotenvy",
@@ -761,14 +784,15 @@ dependencies = [
 
 [[package]]
 name = "icarus_models"
-version = "0.5.5"
-source = "git+ssh://git@git.kundeng.us/phoenix/icarus_models.git?tag=v0.5.5-devel-bd793db08e-111#bd793db08e06b256ffecd9f4528e55e3026fede7"
+version = "0.5.6"
+source = "git+ssh://git@git.kundeng.us/phoenix/icarus_models.git?tag=v0.5.6#2d6b550ae6721b41ecc3039799f6a5e873869077"
 dependencies = [
  "josekit",
  "rand 0.9.1",
  "serde",
  "serde_json",
  "time",
+ "utoipa",
  "uuid",
 ]
 
@@ -919,6 +943,7 @@ checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058"
 dependencies = [
  "equivalent",
  "hashbrown",
+ "serde",
 ]
 
 [[package]]
@@ -985,6 +1010,15 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "libz-rs-sys"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "172a788537a2221661b480fee8dc5f96c580eb34fa88764d3205dc356c7e4221"
+dependencies = [
+ "zlib-rs",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.9.3"
@@ -1041,6 +1075,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7c44f8e672c00fe5308fa235f821cb4198414e1c77935c1ab6948d3fd78550e"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.7"
@@ -1456,6 +1500,40 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rust-embed"
+version = "8.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "025908b8682a26ba8d12f6f2d66b987584a4a87bc024abc5bbc12553a8cd178a"
+dependencies = [
+ "rust-embed-impl",
+ "rust-embed-utils",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-impl"
+version = "8.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6065f1a4392b71819ec1ea1df1120673418bf386f50de1d6f54204d836d4349c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rust-embed-utils",
+ "syn",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-utils"
+version = "8.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6cc0c81648b20b70c491ff8cce00c1c3b223bb8ed2b5d41f0e54c6c4c0a3594"
+dependencies = [
+ "sha2",
+ "walkdir",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
@@ -1487,6 +1565,15 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "schannel"
 version = "0.1.27"
@@ -1627,6 +1714,12 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -2151,6 +2244,12 @@ version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1dccffe3ce07af9386bfd29e80c0ab1a8205a2fc34e4bcd40364df902cfa8f3f"
 
+[[package]]
+name = "unicase"
+version = "2.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75b844d17643ee918803943289730bec8aac480150456169e647ed0b576ba539"
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.18"
@@ -2207,6 +2306,49 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
 
+[[package]]
+name = "utoipa"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fcc29c80c21c31608227e0912b2d7fddba57ad76b606890627ba8ee7964e993"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_json",
+ "utoipa-gen",
+]
+
+[[package]]
+name = "utoipa-gen"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d79d08d92ab8af4c5e8a6da20c47ae3f61a0f1dabc1997cdf2d082b757ca08b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn",
+ "uuid",
+]
+
+[[package]]
+name = "utoipa-swagger-ui"
+version = "9.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d047458f1b5b65237c2f6dc6db136945667f40a7668627b3490b9513a3d43a55"
+dependencies = [
+ "axum",
+ "base64",
+ "mime_guess",
+ "regex",
+ "rust-embed",
+ "serde",
+ "serde_json",
+ "url",
+ "utoipa",
+ "zip",
+]
+
 [[package]]
 name = "uuid"
 version = "1.17.0"
@@ -2237,6 +2379,16 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "walkdir"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -2342,6 +2494,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0978bf7171b3d90bac376700cb56d606feb40f251a475a5d6634613564460b22"
+dependencies = [
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -2609,3 +2770,35 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zip"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12598812502ed0105f607f941c386f43d441e00148fce9dec3ca5ffb0bde9308"
+dependencies = [
+ "arbitrary",
+ "crc32fast",
+ "flate2",
+ "indexmap",
+ "memchr",
+ "zopfli",
+]
+
+[[package]]
+name = "zlib-rs"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "626bd9fa9734751fc50d6060752170984d7053f5a39061f524cda68023d4db8a"
+
+[[package]]
+name = "zopfli"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edfc5ee405f504cd4984ecc6f14d02d55cfda60fa4b689434ef4102aae150cd7"
+dependencies = [
+ "bumpalo",
+ "crc32fast",
+ "log",
+ "simd-adler32",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 8d25e4a..c76b869 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "icarus_auth"
-version = "0.4.3"
+version = "0.4.4"
 edition = "2024"
 rust-version = "1.88"
 
@@ -18,8 +18,10 @@ argon2 = { version = "0.5.3", features = ["std"] } # Use the latest 0.5.x versio
 rand = { version = "0.9.1" }
 time = { version = "0.3.41", features = ["macros", "serde"] }
 josekit = { version = "0.10.3" }
-icarus_models = { git = "ssh://git@git.kundeng.us/phoenix/icarus_models.git", tag = "v0.5.5-devel-bd793db08e-111" }
-icarus_envy = { git = "ssh://git@git.kundeng.us/phoenix/icarus_envy.git", tag = "v0.3.1-main-3cd42dab6b-006" }
+utoipa = { version = "5.4.0", features = ["axum_extras"] }
+utoipa-swagger-ui = { version = "9.0.2", features = ["axum"] }
+icarus_models = { git = "ssh://git@git.kundeng.us/phoenix/icarus_models.git", tag = "v0.5.6" }
+icarus_envy = { git = "ssh://git@git.kundeng.us/phoenix/icarus_envy.git", tag = "v0.3.2" }
 
 [dev-dependencies]
 http-body-util = { version = "0.1.3" }
diff --git a/src/callers/common.rs b/src/callers/common.rs
index bf178b3..b33a3fe 100644
--- a/src/callers/common.rs
+++ b/src/callers/common.rs
@@ -1,7 +1,7 @@
 pub mod response {
     use serde::{Deserialize, Serialize};
 
-    #[derive(Deserialize, Serialize)]
+    #[derive(Deserialize, Serialize, utoipa::ToSchema)]
     pub struct TestResult {
         pub message: String,
     }
@@ -11,11 +11,28 @@ pub mod endpoint {
     use super::*;
     use axum::{Extension, Json, http::StatusCode};
 
-    // basic handler that responds with a static string
+    /// Endpoint to hit the root
+    /// basic handler that responds with a static string
+    #[utoipa::path(
+        get,
+        path = super::super::endpoints::ROOT,
+        responses(
+            (status = 200, description = "Test", body = &str),
+        )
+    )]
     pub async fn root() -> &'static str {
         "Hello, World!"
     }
 
+    /// Endpoint to do a database ping
+    #[utoipa::path(
+        get,
+        path = super::super::endpoints::DBTEST,
+        responses(
+            (status = 200, description = "Successful ping of the db", body = super::response::TestResult),
+            (status = 400, description = "Failure in pinging the db", body = super::response::TestResult)
+        )
+    )]
     pub async fn db_ping(
         Extension(pool): Extension<sqlx::PgPool>,
     ) -> (StatusCode, Json<response::TestResult>) {
diff --git a/src/callers/login.rs b/src/callers/login.rs
index fb065e5..5772d86 100644
--- a/src/callers/login.rs
+++ b/src/callers/login.rs
@@ -1,21 +1,21 @@
 pub mod request {
     use serde::{Deserialize, Serialize};
 
-    #[derive(Default, Deserialize, Serialize)]
+    #[derive(Default, Deserialize, Serialize, utoipa::ToSchema)]
     pub struct Request {
         pub username: String,
         pub password: String,
     }
 
     pub mod service_login {
-        #[derive(Debug, serde::Deserialize, serde::Serialize)]
+        #[derive(Debug, serde::Deserialize, serde::Serialize, utoipa::ToSchema)]
         pub struct Request {
             pub passphrase: String,
         }
     }
 
     pub mod refresh_token {
-        #[derive(Debug, serde::Deserialize, serde::Serialize)]
+        #[derive(Debug, serde::Deserialize, serde::Serialize, utoipa::ToSchema)]
         pub struct Request {
             pub access_token: String,
         }
@@ -25,14 +25,14 @@ pub mod request {
 pub mod response {
     use serde::{Deserialize, Serialize};
 
-    #[derive(Default, Deserialize, Serialize)]
+    #[derive(Default, Deserialize, Serialize, utoipa::ToSchema)]
     pub struct Response {
         pub message: String,
         pub data: Vec<icarus_models::login_result::LoginResult>,
     }
 
     pub mod service_login {
-        #[derive(Debug, Default, serde::Deserialize, serde::Serialize)]
+        #[derive(Debug, Default, serde::Deserialize, serde::Serialize, utoipa::ToSchema)]
         pub struct Response {
             pub message: String,
             pub data: Vec<icarus_models::login_result::LoginResult>,
@@ -40,7 +40,7 @@ pub mod response {
     }
 
     pub mod refresh_token {
-        #[derive(Debug, Default, serde::Deserialize, serde::Serialize)]
+        #[derive(Debug, Default, serde::Deserialize, serde::Serialize, utoipa::ToSchema)]
         pub struct Response {
             pub message: String,
             pub data: Vec<icarus_models::login_result::LoginResult>,
@@ -48,6 +48,7 @@ pub mod response {
     }
 }
 
+/// Module for login endpoints
 pub mod endpoint {
     use axum::{Json, http::StatusCode};
 
@@ -72,6 +73,20 @@ pub mod endpoint {
         )
     }
 
+    /// Endpoint to login
+    #[utoipa::path(
+        post,
+        path = super::super::endpoints::LOGIN,
+        request_body(
+            content = request::Request,
+            description = "Data required to login",
+            content_type = "application/json"
+        ),
+        responses(
+            (status = 200, description = "Successfully logged in", body = response::Response),
+            (status = 404, description = "Could not login with credentials", body = response::Response)
+        )
+    )]
     pub async fn login(
         axum::Extension(pool): axum::Extension<sqlx::PgPool>,
         Json(payload): Json<request::Request>,
@@ -115,6 +130,20 @@ pub mod endpoint {
         }
     }
 
+    /// Endpoint to login as a service user
+    #[utoipa::path(
+        post,
+        path = super::super::endpoints::SERVICE_LOGIN,
+        request_body(
+            content = request::service_login::Request,
+            description = "Data required to login as a service user",
+            content_type = "application/json"
+        ),
+        responses(
+            (status = 200, description = "Login successful", body = response::Response),
+            (status = 400, description = "Error logging in with credentials", body = response::Response)
+        )
+    )]
     pub async fn service_login(
         axum::Extension(pool): axum::Extension<sqlx::PgPool>,
         axum::Json(payload): axum::Json<request::service_login::Request>,
@@ -154,6 +183,22 @@ pub mod endpoint {
         }
     }
 
+    /// Endpoint to retrieve a refresh token
+    #[utoipa::path(
+        post,
+        path = super::super::endpoints::REFRESH_TOKEN,
+        request_body(
+            content = request::refresh_token::Request,
+            description = "Data required to retrieve a refresh token",
+            content_type = "application/json"
+        ),
+        responses(
+            (status = 200, description = "Refresh token generated", body = response::Response),
+            (status = 400, description = "Error verifying token", body = response::Response),
+            (status = 404, description = "Could not validate token", body = response::Response),
+            (status = 500, description = "Error extracting token", body = response::Response)
+        )
+    )]
     pub async fn refresh_token(
         axum::Extension(pool): axum::Extension<sqlx::PgPool>,
         axum::Json(payload): axum::Json<request::refresh_token::Request>,
diff --git a/src/callers/register.rs b/src/callers/register.rs
index b9d07e4..bd8711f 100644
--- a/src/callers/register.rs
+++ b/src/callers/register.rs
@@ -6,7 +6,7 @@ use crate::repo;
 pub mod request {
     use serde::{Deserialize, Serialize};
 
-    #[derive(Default, Deserialize, Serialize)]
+    #[derive(Default, Deserialize, Serialize, utoipa::ToSchema)]
     pub struct Request {
         #[serde(skip_serializing_if = "String::is_empty")]
         pub username: String,
@@ -26,13 +26,28 @@ pub mod request {
 pub mod response {
     use serde::{Deserialize, Serialize};
 
-    #[derive(Deserialize, Serialize)]
+    #[derive(Deserialize, Serialize, utoipa::ToSchema)]
     pub struct Response {
         pub message: String,
         pub data: Vec<icarus_models::user::User>,
     }
 }
 
+/// Endpoint to register a user
+#[utoipa::path(
+    post,
+    path = super::endpoints::REGISTER,
+    request_body(
+        content = request::Request,
+        description = "Data required to register",
+        content_type = "application/json"
+    ),
+    responses(
+        (status = 201, description = "User created", body = response::Response),
+        (status = 404, description = "User already exists", body = response::Response),
+        (status = 400, description = "Issue creating user", body = response::Response)
+    )
+)]
 pub async fn register_user(
     axum::Extension(pool): axum::Extension<sqlx::PgPool>,
     Json(payload): Json<request::Request>,
diff --git a/src/main.rs b/src/main.rs
index e052521..c13b7f6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -19,8 +19,31 @@ mod init {
         Router,
         routing::{get, post},
     };
+    use utoipa::OpenApi;
 
     use crate::callers;
+    use callers::common as common_callers;
+    use callers::login as login_caller;
+    use callers::register as register_caller;
+    use login_caller::endpoint as login_endpoints;
+    use login_caller::response as login_responses;
+    use register_caller::response as register_responses;
+
+    #[derive(utoipa::OpenApi)]
+    #[openapi(
+        paths(
+            common_callers::endpoint::db_ping, common_callers::endpoint::root,
+            register_caller::register_user,
+            login_endpoints::login, login_endpoints::service_login, login_endpoints::refresh_token
+            ),
+        components(schemas(common_callers::response::TestResult,
+                register_responses::Response,
+            login_responses::Response, login_responses::service_login::Response, login_responses::refresh_token::Response)),
+        tags(
+            (name = "Icarus Auth API", description = "Auth API for Icarus API")
+            )
+    )]
+    struct ApiDoc;
 
     pub async fn routes() -> Router {
         // build our application with a route
@@ -58,7 +81,13 @@ mod init {
 
         icarus_auth::db::migrations(&pool).await;
 
-        routes().await.layer(axum::Extension(pool))
+        routes()
+            .await
+            .merge(
+                utoipa_swagger_ui::SwaggerUi::new("/swagger-ui")
+                    .url("/api-docs/openapi.json", ApiDoc::openapi()),
+            )
+            .layer(axum::Extension(pool))
     }
 }