diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3582643..a60ba99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
 #### Unreleased
 
+- build(deps): bump reqwest from 0.12.7 to 0.12.8 [`#34`](https://github.com/i18nhero/cli/pull/34)
+- build(deps): bump tempfile from 3.12.0 to 3.13.0 [`#33`](https://github.com/i18nhero/cli/pull/33)
+- refactor: change DEFAULT_API_HOST to api.cli.i18nhero.com [`#32`](https://github.com/i18nhero/cli/pull/32)
+- feat: login command [`#31`](https://github.com/i18nhero/cli/pull/31)
 - build(deps): bump clap_complete from 4.5.26 to 4.5.29 [`#30`](https://github.com/i18nhero/cli/pull/30)
 - build(deps): bump serde from 1.0.209 to 1.0.210 [`#26`](https://github.com/i18nhero/cli/pull/26)
 - build(deps): bump clap from 4.5.17 to 4.5.18 [`#27`](https://github.com/i18nhero/cli/pull/27)
@@ -27,6 +31,5 @@ Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 - chore: validation workflow [`#2`](https://github.com/i18nhero/cli/pull/2)
 - build: setup publishing [`#1`](https://github.com/i18nhero/cli/pull/1)
 - feat(cli): json5 output (#19) [`#15`](https://github.com/i18nhero/cli/issues/15)
-- feat(auth): load auth on init [`32c2455`](https://github.com/i18nhero/cli/commit/32c2455e24b2fd6aa1a5d2cd2fa2710391b5defb)
 - chore: setup workspace [`11b6f6c`](https://github.com/i18nhero/cli/commit/11b6f6c749b6ff69b7cf84a9131c05be73bde525)
 - Initial commit [`d96cebc`](https://github.com/i18nhero/cli/commit/d96cebc79c1f5243aa1ed05b2e68aaf5e380c61a)
diff --git a/Cargo.lock b/Cargo.lock
index baa1186..0635470 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -87,12 +87,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "anyhow"
-version = "1.0.87"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10f00e1f6e58a40e807377c75c6a7f97bf9044fab57816f2414e6f5f4499d7b8"
-
 [[package]]
 name = "async-compression"
 version = "0.4.12"
@@ -148,15 +142,6 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
-[[package]]
-name = "block-buffer"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "brotli"
 version = "6.0.0"
@@ -325,15 +310,6 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
-[[package]]
-name = "cpufeatures"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "608697df725056feaccfa42cffdaeeec3fccc4ffc38358ecd19b243e716a78e0"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "crc32fast"
 version = "1.4.2"
@@ -343,16 +319,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "crypto-common"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
-dependencies = [
- "generic-array",
- "typenum",
-]
-
 [[package]]
 name = "deranged"
 version = "0.3.11"
@@ -375,16 +341,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "digest"
-version = "0.10.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
-dependencies = [
- "block-buffer",
- "crypto-common",
-]
-
 [[package]]
 name = "dirs"
 version = "5.0.1"
@@ -513,16 +469,6 @@ dependencies = [
  "pin-utils",
 ]
 
-[[package]]
-name = "generic-array"
-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
-dependencies = [
- "typenum",
- "version_check",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -684,12 +630,10 @@ dependencies = [
  "console",
  "dialoguer",
  "dirs",
- "json5",
  "reqwest",
  "schemars",
  "serde",
  "serde_json",
- "serde_yml",
  "supports-hyperlinks",
  "tempfile",
  "terminal-link",
@@ -763,17 +707,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "json5"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96b0db21af676c1ce64250b5f40f3ce2cf27e4e47cb91ed91eb6fe9350b430c1"
-dependencies = [
- "pest",
- "pest_derive",
- "serde",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -796,16 +729,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "libyml"
-version = "0.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3302702afa434ffa30847a83305f0a69d6abd74293b6554c18ec85c7ef30c980"
-dependencies = [
- "anyhow",
- "version_check",
-]
-
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.14"
@@ -926,51 +849,6 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
-[[package]]
-name = "pest"
-version = "2.7.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c73c26c01b8c87956cea613c907c9d6ecffd8d18a2a5908e5de0adfaa185cea"
-dependencies = [
- "memchr",
- "thiserror",
- "ucd-trie",
-]
-
-[[package]]
-name = "pest_derive"
-version = "2.7.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "664d22978e2815783adbdd2c588b455b1bd625299ce36b2a99881ac9627e6d8d"
-dependencies = [
- "pest",
- "pest_generator",
-]
-
-[[package]]
-name = "pest_generator"
-version = "2.7.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2d5487022d5d33f4c30d91c22afa240ce2a644e87fe08caad974d4eab6badbe"
-dependencies = [
- "pest",
- "pest_meta",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "pest_meta"
-version = "2.7.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0091754bbd0ea592c4deb3a122ce8ecbb0753b738aa82bc055fcc2eccc8d8174"
-dependencies = [
- "once_cell",
- "pest",
- "sha2",
-]
-
 [[package]]
 name = "pin-project"
 version = "1.1.5"
@@ -1377,32 +1255,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serde_yml"
-version = "0.0.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59e2dd588bf1597a252c3b920e0143eb99b0f76e4e082f4c92ce34fbc9e71ddd"
-dependencies = [
- "indexmap",
- "itoa",
- "libyml",
- "memchr",
- "ryu",
- "serde",
- "version_check",
-]
-
-[[package]]
-name = "sha2"
-version = "0.10.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
-dependencies = [
- "cfg-if",
- "cpufeatures",
- "digest",
-]
-
 [[package]]
 name = "shell-words"
 version = "1.1.0"
@@ -1704,18 +1556,6 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
-[[package]]
-name = "typenum"
-version = "1.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
-
-[[package]]
-name = "ucd-trie"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed646292ffc8188ef8ea4d1e0e0150fb15a5c2e12ad9b8fc191ae7a8a7f3c4b9"
-
 [[package]]
 name = "unicode-bidi"
 version = "0.3.15"
diff --git a/Cargo.toml b/Cargo.toml
index a14e8cb..5d5d426 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,6 @@ clap_complete = "4.5.29"
 console = { version = "0.15.8" }
 dirs = { version = "5.0.1" }
 dialoguer = { version = "0.11.0" }
-json5 = "0.4.1"
 reqwest = { version = "0.12.8", default-features = false, features = [
   "brotli",
   "charset",
@@ -37,7 +36,6 @@ reqwest = { version = "0.12.8", default-features = false, features = [
 schemars = "0.8.21"
 serde = { version = "1.0.210", features = ["derive"] }
 serde_json = "1.0.128"
-serde_yml = "0.0.12"
 supports-hyperlinks = "3.0.0"
 tempfile = "3.13.0"
 terminal-link = "0.1.0"
diff --git a/packages/i18nhero/Cargo.toml b/packages/i18nhero/Cargo.toml
index b7da657..726a2bd 100644
--- a/packages/i18nhero/Cargo.toml
+++ b/packages/i18nhero/Cargo.toml
@@ -28,12 +28,10 @@ clap_complete = { workspace = true }
 console = { workspace = true }
 dialoguer = { workspace = true }
 dirs = { workspace = true }
-json5 = { workspace = true }
 reqwest = { workspace = true }
 schemars = { workspace = true, optional = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
-serde_yml = { workspace = true }
 supports-hyperlinks = { workspace = true }
 terminal-link = { workspace = true }
 tokio = { workspace = true }
diff --git a/packages/i18nhero/src/config/mod.rs b/packages/i18nhero/src/config/mod.rs
index 914cfc6..c4b40d9 100644
--- a/packages/i18nhero/src/config/mod.rs
+++ b/packages/i18nhero/src/config/mod.rs
@@ -11,10 +11,6 @@ pub enum CliConfigOutputFormat {
     #[default]
     #[serde(rename = "json")]
     Json,
-    #[serde(rename = "json5")]
-    Json5,
-    #[serde(rename = "yaml")]
-    Yaml,
 }
 
 impl CliConfigOutputFormat {
@@ -22,8 +18,6 @@ impl CliConfigOutputFormat {
     pub const fn to_file_ext(&self) -> &'static str {
         match self {
             Self::Json => "json",
-            Self::Json5 => "json5",
-            Self::Yaml => "yml",
         }
     }
 }
diff --git a/packages/i18nhero/src/error/mod.rs b/packages/i18nhero/src/error/mod.rs
index a7c54d6..9612977 100644
--- a/packages/i18nhero/src/error/mod.rs
+++ b/packages/i18nhero/src/error/mod.rs
@@ -1,12 +1,6 @@
 #[derive(Debug)]
 pub enum CliError {
     Io(std::io::Error),
-    SerializeJson(serde_json::Error),
-    SerializeJson5(json5::Error),
-    SerializeYml(serde_yml::Error),
-    DeserializeJson(serde_json::Error),
-    DeserializeJson5(json5::Error),
-    DeserializeYml(serde_yml::Error),
     PushLocaleHttp(reqwest::Error),
     PullLocaleHttp(reqwest::Error),
     ConfigAlreadyExists,
@@ -49,12 +43,6 @@ impl core::fmt::Display for CliError {
             Self::ConfigLoad(e) => write!(f, "Error loading config - {e}"),
             Self::ConfigSave(e) => write!(f, "Error saving config - {e}"),
             Self::ConfigParse(e) => write!(f, "Error parsing config - {e}"),
-            Self::SerializeJson(e) => write!(f, "Error serializing file - {e}"),
-            Self::SerializeJson5(e) => write!(f, "Error serializing file - {e}"),
-            Self::SerializeYml(e) => write!(f, "Error serializing file - {e}"),
-            Self::DeserializeJson(e) => write!(f, "Error deserializing file - {e}"),
-            Self::DeserializeJson5(e) => write!(f, "Error deserializing file - {e}"),
-            Self::DeserializeYml(e) => write!(f, "Error deserializing file - {e}"),
             Self::ConfigSerialize(e) => write!(f, "Error serializing config - {e}"),
             Self::AuthConfigSerialize(e) => write!(f, "Error serializing auth config - {e}"),
             Self::AuthConfigDeserialize(e) => write!(f, "Error deserializing auth config - {e}"),
diff --git a/packages/i18nhero/src/generators/mod.rs b/packages/i18nhero/src/generators/mod.rs
deleted file mode 100644
index fb85b47..0000000
--- a/packages/i18nhero/src/generators/mod.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-use crate::{config::CliConfigOutputFormat, error::CliError};
-
-#[inline]
-pub fn parse_input(
-    format: &CliConfigOutputFormat,
-    contents: &str,
-) -> Result<std::collections::HashMap<String, String>, CliError> {
-    match format {
-        CliConfigOutputFormat::Json => {
-            serde_json::from_str(contents).map_err(CliError::DeserializeJson)
-        }
-        CliConfigOutputFormat::Json5 => {
-            json5::from_str(contents).map_err(CliError::DeserializeJson5)
-        }
-        CliConfigOutputFormat::Yaml => {
-            serde_yml::from_str(contents).map_err(CliError::DeserializeYml)
-        }
-    }
-}
-
-#[inline]
-pub fn stringify(
-    format: &CliConfigOutputFormat,
-    translations: &std::collections::BTreeMap<String, String>,
-) -> Result<String, CliError> {
-    match format {
-        CliConfigOutputFormat::Json => {
-            serde_json::to_string_pretty(&translations).map_err(CliError::SerializeJson)
-        }
-        CliConfigOutputFormat::Json5 => {
-            json5::to_string(&translations).map_err(CliError::SerializeJson5)
-        }
-        CliConfigOutputFormat::Yaml => {
-            serde_yml::to_string(&translations).map_err(CliError::SerializeYml)
-        }
-    }
-    .map(|output| {
-        let mut trimmed = output.trim().to_string();
-        trimmed.push('\n');
-        trimmed
-    })
-}
diff --git a/packages/i18nhero/src/main.rs b/packages/i18nhero/src/main.rs
index 0adbe23..bf786db 100644
--- a/packages/i18nhero/src/main.rs
+++ b/packages/i18nhero/src/main.rs
@@ -8,7 +8,6 @@ mod commands;
 mod completions;
 mod config;
 mod error;
-mod generators;
 mod init;
 mod pull;
 mod push;
@@ -43,10 +42,11 @@ async fn _main() -> Result<(), CliError> {
 }
 
 #[tokio::main]
+#[expect(clippy::needless_return)]
 async fn main() {
     if let Err(error) = _main().await {
         terminal::print_error(&error);
 
-        std::process::exit(1)
+        std::process::exit(1);
     }
 }
diff --git a/packages/i18nhero/src/pull/mod.rs b/packages/i18nhero/src/pull/mod.rs
index 3462112..e946bb4 100644
--- a/packages/i18nhero/src/pull/mod.rs
+++ b/packages/i18nhero/src/pull/mod.rs
@@ -1,8 +1,8 @@
 use crate::{
+    auth::AuthConfig,
     commands::pull::PullCommandArguments,
     config::{CliConfig, CliConfigOutputFormat},
     error::CliError,
-    generators,
     terminal::print_saving_file,
     DEFAULT_WEB_API_HOST,
 };
@@ -13,14 +13,21 @@ struct PullLocale {
 
     country_code: Option<String>,
 
-    translations: std::collections::BTreeMap<String, String>,
+    content: String,
 }
 
 #[inline]
-async fn fetch_locales(host: &str, project_id: &str) -> Result<Vec<PullLocale>, CliError> {
-    let url = format!("{host}/projects/{project_id}/pull");
-
-    reqwest::get(url)
+async fn fetch_locales(
+    api_key: &str,
+    host: &str,
+    project_id: &str,
+) -> Result<Vec<PullLocale>, CliError> {
+    let client = reqwest::Client::new();
+
+    client
+        .get(format!("{host}/projects/{project_id}/pull"))
+        .header("x-api-key", api_key)
+        .send()
         .await
         .map_err(CliError::PullLocaleHttp)?
         .error_for_status()
@@ -57,11 +64,9 @@ async fn save_locales(config: &CliConfig, locales: Vec<PullLocale>) -> Result<()
 
         print_saving_file(&file_name);
 
-        let contents = generators::stringify(&config.output.format, &locale.translations)?;
-
         tokio::fs::write(
             config.output.path.join(file_name),
-            format!("{}\n", contents.trim()),
+            format!("{}\n", locale.content.trim()),
         )
         .await
         .map_err(CliError::LocaleSave)?;
@@ -76,7 +81,10 @@ pub async fn run(arguments: &PullCommandArguments, config: &CliConfig) -> Result
         return Err(CliError::MissingProjectId);
     }
 
-    let mut locales = fetch_locales(
+    let auth = AuthConfig::load()?;
+
+    let locales = fetch_locales(
+        &auth.api_key,
         arguments
             .api_host
             .as_ref()
@@ -85,12 +93,5 @@ pub async fn run(arguments: &PullCommandArguments, config: &CliConfig) -> Result
     )
     .await?;
 
-    // TODO: move to api
-    if !config.output.save_missing_values {
-        for locale in &mut locales {
-            locale.translations.retain(|_, v| !v.is_empty());
-        }
-    }
-
     save_locales(config, locales).await
 }
diff --git a/packages/i18nhero/src/push/mod.rs b/packages/i18nhero/src/push/mod.rs
index d9dc4f2..32241f6 100644
--- a/packages/i18nhero/src/push/mod.rs
+++ b/packages/i18nhero/src/push/mod.rs
@@ -1,4 +1,5 @@
 use crate::{
+    auth::AuthConfig,
     commands::push::PushCommandArguments,
     config::{CliConfig, CliConfigOutputFormat},
     error::CliError,
@@ -9,7 +10,9 @@ use crate::{
 struct PushLocale {
     file_name: String,
 
-    translations: std::collections::HashMap<String, String>,
+    file_format: String,
+
+    content: String,
 }
 
 #[inline]
@@ -28,11 +31,10 @@ fn read_locales(
             if let Some(stem) = p.file_stem() {
                 let raw = std::fs::read_to_string(&p).map_err(CliError::LocaleRead)?;
 
-                let translations = crate::generators::parse_input(file_format, &raw)?;
-
                 let locale = PushLocale {
                     file_name: stem.to_string_lossy().to_string(),
-                    translations,
+                    file_format: expected_file_ext.to_string(),
+                    content: raw,
                 };
 
                 locales.push(locale);
@@ -45,16 +47,16 @@ fn read_locales(
 
 #[inline]
 async fn upload_locales(
+    api_key: &str,
     host: &str,
     project_id: &str,
     locales: &[PushLocale],
 ) -> Result<(), CliError> {
     let client = reqwest::Client::new();
 
-    let url = format!("{host}/projects/{project_id}/push");
-
     client
-        .put(url)
+        .put(format!("{host}/projects/{project_id}/push"))
+        .header("x-api-key", api_key)
         .json(locales)
         .send()
         .await
@@ -70,7 +72,10 @@ pub async fn run(arguments: &PushCommandArguments, config: &CliConfig) -> Result
     let locales = read_locales(&config.output.path, &config.output.format)?;
 
     if !locales.is_empty() {
+        let auth = AuthConfig::load()?;
+
         upload_locales(
+            &auth.api_key,
             arguments
                 .api_host
                 .as_ref()