diff --git a/Cargo.toml b/Cargo.toml
index b1fe797..3f35601 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,4 +12,5 @@ serde = {version = "1.0.159", features = ["derive"]}
 serde_json = "1.0.95"
 reqwest = "0.11.16"
 url = "2.3.1"
-chrono = "0.4.24"
\ No newline at end of file
+chrono = "0.4.24"
+regex = "1.7.3"
\ No newline at end of file
diff --git a/src/api/auth/login.rs b/src/api/auth/login.rs
new file mode 100644
index 0000000..ee8788e
--- /dev/null
+++ b/src/api/auth/login.rs
@@ -0,0 +1 @@
+pub mod login {}
diff --git a/src/api/auth/mod.rs b/src/api/auth/mod.rs
new file mode 100644
index 0000000..3093e74
--- /dev/null
+++ b/src/api/auth/mod.rs
@@ -0,0 +1,5 @@
+pub mod login;
+pub mod register;
+
+pub use login::*;
+pub use register::*;
diff --git a/src/api/auth/register.rs b/src/api/auth/register.rs
new file mode 100644
index 0000000..f515703
--- /dev/null
+++ b/src/api/auth/register.rs
@@ -0,0 +1,7 @@
+pub mod register {
+    use crate::instance::Instance;
+
+    impl Instance {
+        pub fn register() {}
+    }
+}
diff --git a/src/api/mod.rs b/src/api/mod.rs
index 0d7b94c..f619259 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -1,3 +1,7 @@
+pub mod auth;
 pub mod policies;
+pub mod schemas;
 
+pub use policies::instance::instance::*;
 pub use policies::instance::limits::*;
+pub use schemas::*;
diff --git a/src/api/policies/instance/instance.rs b/src/api/policies/instance/instance.rs
new file mode 100644
index 0000000..6ed8b05
--- /dev/null
+++ b/src/api/policies/instance/instance.rs
@@ -0,0 +1,83 @@
+pub mod instance {
+    use std::fmt;
+
+    use reqwest::Client;
+    use serde_json::from_str;
+
+    use crate::{api::schemas::schemas::InstancePoliciesSchema, instance::Instance};
+
+    #[derive(Debug, PartialEq, Eq)]
+    pub struct InstancePoliciesError {
+        pub message: String,
+    }
+
+    impl InstancePoliciesError {
+        fn new(message: String) -> Self {
+            InstancePoliciesError { message }
+        }
+    }
+
+    impl fmt::Display for InstancePoliciesError {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            write!(f, "{}", self.message)
+        }
+    }
+
+    impl std::error::Error for InstancePoliciesError {}
+    impl Instance {
+        /// Gets the instance policies schema.
+        /// # Errors
+        /// * [`InstancePoliciesError`] - If the request fails.
+        pub async fn instance_policies_schema(
+            &self,
+        ) -> Result<InstancePoliciesSchema, InstancePoliciesError> {
+            let client = Client::new();
+            let endpoint_url = self.urls.get_api().to_string() + "/policies/instance/";
+            let request = match client.get(&endpoint_url).send().await {
+                Ok(result) => result,
+                Err(e) => {
+                    return Err(InstancePoliciesError {
+                        message: format!(
+                            "An error occured while trying to GET from {}: {}",
+                            endpoint_url, e
+                        ),
+                    });
+                }
+            };
+
+            if request.status().as_str().chars().next().unwrap() != '2' {
+                return Err(InstancePoliciesError {
+                    message: format!(
+                        "Received the following error code while requesting from the route: {}",
+                        request.status().as_str()
+                    ),
+                });
+            }
+
+            let body = request.text().await.unwrap();
+            let instance_policies_schema: InstancePoliciesSchema = from_str(&body).unwrap();
+            Ok(instance_policies_schema)
+        }
+    }
+}
+
+#[cfg(test)]
+mod instance_policies_schema_test {
+    use crate::{instance::Instance, limit::LimitedRequester, URLBundle};
+
+    #[tokio::test]
+    async fn generate_instance_policies_schema() {
+        let urls = URLBundle::new(
+            "http://localhost:3001/api".to_string(),
+            "http://localhost:3001".to_string(),
+            "http://localhost:3001".to_string(),
+        );
+        let limited_requester = LimitedRequester::new(urls.get_api().to_string()).await;
+        let test_instance = Instance::new(urls.clone(), limited_requester)
+            .await
+            .unwrap();
+
+        let schema = test_instance.instance_policies_schema().await.unwrap();
+        println!("{}", schema);
+    }
+}
diff --git a/src/api/policies/instance/limits.rs b/src/api/policies/instance/limits.rs
index c370cd0..a46a29f 100644
--- a/src/api/policies/instance/limits.rs
+++ b/src/api/policies/instance/limits.rs
@@ -197,6 +197,10 @@ pub mod limits {
 
         /// check_limits uses the API to get the current request limits of the instance.
         /// It returns a `Limits` struct containing all the limits.
+        /// If the rate limit is disabled, then the limit is set to `u64::MAX`.
+        /// # Errors
+        /// This function will panic if the request fails or if the response body cannot be parsed.
+        /// TODO: Change this to return a Result and handle the errors properly.
         pub async fn check_limits(api_url: String) -> HashMap<LimitType, Limit> {
             let client = Client::new();
             let url_parsed = crate::URLBundle::parse_url(api_url) + "/policies/instance/limits";
diff --git a/src/api/policies/instance/mod.rs b/src/api/policies/instance/mod.rs
index e695695..b05078e 100644
--- a/src/api/policies/instance/mod.rs
+++ b/src/api/policies/instance/mod.rs
@@ -1,5 +1,5 @@
-// src/api/policies/instance/mod.rs
-
+pub mod instance;
 pub mod limits;
 
+pub use instance::*;
 pub use limits::*;
diff --git a/src/api/schemas.rs b/src/api/schemas.rs
new file mode 100644
index 0000000..1ca238e
--- /dev/null
+++ b/src/api/schemas.rs
@@ -0,0 +1,331 @@
+pub mod schemas {
+    use std::fmt;
+
+    use regex::Regex;
+    use serde::{Deserialize, Serialize};
+
+    #[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
+    #[serde(rename_all = "snake_case")]
+    pub struct RegisterSchema {
+        username: String,
+        password: Option<String>,
+        consent: bool,
+        email: Option<String>,
+        fingerprint: Option<String>,
+        invite: Option<String>,
+        date_of_birth: Option<String>,
+        gift_code_sku_id: Option<String>,
+        captcha_key: Option<String>,
+        promotional_email_opt_in: Option<bool>,
+    }
+
+    #[derive(Debug, PartialEq, Eq)]
+    pub struct RegisterSchemaError {
+        pub message: String,
+    }
+
+    impl RegisterSchemaError {
+        fn new(message: String) -> Self {
+            RegisterSchemaError { message }
+        }
+    }
+
+    impl fmt::Display for RegisterSchemaError {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            write!(f, "{}", self.message)
+        }
+    }
+
+    impl std::error::Error for RegisterSchemaError {}
+
+    impl RegisterSchema {
+        /**
+        Returns a new [`Result<RegisterSchema, RegisterSchemaError>`].
+        ## Arguments
+        All but "String::username" and "bool::consent" are optional.
+
+        ## Errors
+        You will receive a [`RegisterSchemaError`], if:
+        - The username is less than 2 or more than 32 characters in length
+        - You supply a `password` which is less than 1 or more than 72 characters in length.
+
+        These constraints have been defined [in the Spacebar-API](https://docs.spacebar.chat/routes/)
+        */
+        pub fn new(
+            username: String,
+            password: Option<String>,
+            consent: bool,
+            email: Option<String>,
+            fingerprint: Option<String>,
+            invite: Option<String>,
+            date_of_birth: Option<String>,
+            gift_code_sku_id: Option<String>,
+            captcha_key: Option<String>,
+            promotional_email_opt_in: Option<bool>,
+        ) -> Result<RegisterSchema, RegisterSchemaError> {
+            if username.len() < 2 || username.len() > 32 {
+                return Err(RegisterSchemaError::new(
+                    "Username must be between 2 and 32 characters".to_string(),
+                ));
+            }
+            if password.is_some()
+                && (password.as_ref().unwrap().len() < 1 || password.as_ref().unwrap().len() > 72)
+            {
+                return Err(RegisterSchemaError {
+                    message: "Password must be between 1 and 72 characters.".to_string(),
+                });
+            }
+            if !consent {
+                return Err(RegisterSchemaError {
+                    message: "Consent must be 'true' to register.".to_string(),
+                });
+            }
+
+            let regex = Regex::new(r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$").unwrap();
+            if email.clone().is_some() && !regex.is_match(email.clone().unwrap().as_str()) {
+                return Err(RegisterSchemaError {
+                    message: "The provided email address is in an invalid format.".to_string(),
+                });
+            }
+
+            return Ok(RegisterSchema {
+                username,
+                password,
+                consent,
+                email,
+                fingerprint,
+                invite,
+                date_of_birth,
+                gift_code_sku_id,
+                captcha_key,
+                promotional_email_opt_in,
+            });
+        }
+    }
+
+    #[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
+    #[serde(rename_all = "snake_case")]
+    pub struct LoginSchema {
+        login: String,
+        password: String,
+        undelete: Option<bool>,
+        captcha_key: Option<String>,
+        login_source: Option<String>,
+        gift_code_sku_id: Option<String>,
+    }
+
+    #[derive(Debug, Serialize, Deserialize)]
+    #[serde(rename_all = "snake_case")]
+    pub struct TotpSchema {
+        code: String,
+        ticket: String,
+        gift_code_sku_id: Option<String>,
+        login_source: Option<String>,
+    }
+
+    #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
+    #[serde(rename_all = "camelCase")]
+    pub struct InstancePoliciesSchema {
+        instance_name: String,
+        instance_description: Option<String>,
+        front_page: Option<String>,
+        tos_page: Option<String>,
+        correspondence_email: Option<String>,
+        correspondence_user_id: Option<String>,
+        image: Option<String>,
+        instance_id: Option<String>,
+    }
+
+    impl InstancePoliciesSchema {
+        pub fn new(
+            instance_name: String,
+            instance_description: Option<String>,
+            front_page: Option<String>,
+            tos_page: Option<String>,
+            correspondence_email: Option<String>,
+            correspondence_user_id: Option<String>,
+            image: Option<String>,
+            instance_id: Option<String>,
+        ) -> Self {
+            InstancePoliciesSchema {
+                instance_name,
+                instance_description,
+                front_page,
+                tos_page,
+                correspondence_email,
+                correspondence_user_id,
+                image,
+                instance_id,
+            }
+        }
+    }
+
+    impl fmt::Display for InstancePoliciesSchema {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            write!(
+                f,
+                "InstancePoliciesSchema {{ instance_name: {}, instance_description: {}, front_page: {}, tos_page: {}, correspondence_email: {}, correspondence_user_id: {}, image: {}, instance_id: {} }}",
+                self.instance_name,
+                self.instance_description.clone().unwrap_or("None".to_string()),
+                self.front_page.clone().unwrap_or("None".to_string()),
+                self.tos_page.clone().unwrap_or("None".to_string()),
+                self.correspondence_email.clone().unwrap_or("None".to_string()),
+                self.correspondence_user_id.clone().unwrap_or("None".to_string()),
+                self.image.clone().unwrap_or("None".to_string()),
+                self.instance_id.clone().unwrap_or("None".to_string()),
+            )
+        }
+    }
+}
+
+// I know that some of these tests are... really really basic and unneccessary, but sometimes, I
+// just feel like writing tests, so there you go :) -@bitfl0wer
+#[cfg(test)]
+mod schemas_tests {
+    use super::schemas::*;
+
+    #[test]
+    fn password_too_short() {
+        assert_eq!(
+            RegisterSchema::new(
+                "Test".to_string(),
+                Some("".to_string()),
+                true,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+            ),
+            Err(RegisterSchemaError {
+                message: "Password must be between 1 and 72 characters.".to_string()
+            })
+        );
+    }
+
+    #[test]
+    fn password_too_long() {
+        let mut long_pw = String::new();
+        for _ in 0..73 {
+            long_pw = long_pw + "a";
+        }
+        assert_eq!(
+            RegisterSchema::new(
+                "Test".to_string(),
+                Some(long_pw),
+                true,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+            ),
+            Err(RegisterSchemaError {
+                message: "Password must be between 1 and 72 characters.".to_string()
+            })
+        );
+    }
+
+    #[test]
+    fn username_too_short() {
+        assert_eq!(
+            RegisterSchema::new(
+                "T".to_string(),
+                None,
+                true,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+            ),
+            Err(RegisterSchemaError {
+                message: "Username must be between 2 and 32 characters".to_string()
+            })
+        );
+    }
+
+    #[test]
+    fn username_too_long() {
+        let mut long_un = String::new();
+        for _ in 0..33 {
+            long_un = long_un + "a";
+        }
+        assert_eq!(
+            RegisterSchema::new(long_un, None, true, None, None, None, None, None, None, None,),
+            Err(RegisterSchemaError {
+                message: "Username must be between 2 and 32 characters".to_string()
+            })
+        );
+    }
+
+    #[test]
+    fn consent_false() {
+        assert_eq!(
+            RegisterSchema::new(
+                "Test".to_string(),
+                None,
+                false,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+            ),
+            Err(RegisterSchemaError {
+                message: "Consent must be 'true' to register.".to_string()
+            })
+        );
+    }
+
+    #[test]
+    fn invalid_email() {
+        assert_eq!(
+            RegisterSchema::new(
+                "Test".to_string(),
+                None,
+                true,
+                Some("p@p.p".to_string()),
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+            ),
+            Err(RegisterSchemaError {
+                message: "The provided email address is in an invalid format.".to_string()
+            })
+        )
+    }
+
+    #[test]
+    fn valid_email() {
+        let reg = RegisterSchema::new(
+            "Test".to_string(),
+            None,
+            true,
+            Some("me@mail.xy".to_string()),
+            None,
+            None,
+            None,
+            None,
+            None,
+            None,
+        );
+        assert_ne!(
+            reg,
+            Err(RegisterSchemaError {
+                message: "The provided email address is in an invalid format.".to_string()
+            })
+        );
+    }
+}
diff --git a/src/client.rs b/src/client.rs
deleted file mode 100644
index 2033808..0000000
--- a/src/client.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use crate::gateway::Gateway;
-use crate::limit::LimitedRequester;
-
-struct ClientBuilder {}
-
-/* impl ClientBuilder {
-    fn build() -> Client {}
-} */
-
-struct Client {}
diff --git a/src/gateway.rs b/src/gateway.rs
index 5489064..e4ba3c9 100644
--- a/src/gateway.rs
+++ b/src/gateway.rs
@@ -1 +1,2 @@
+#[derive(Debug)]
 pub struct Gateway {}
diff --git a/src/instance.rs b/src/instance.rs
new file mode 100644
index 0000000..f76edf8
--- /dev/null
+++ b/src/instance.rs
@@ -0,0 +1,122 @@
+use regex::internal::Inst;
+
+use crate::api::instance;
+use crate::api::schemas::schemas::InstancePoliciesSchema;
+use crate::gateway::Gateway;
+use crate::limit::LimitedRequester;
+use crate::URLBundle;
+
+use std::collections::HashMap;
+use std::fmt;
+
+#[derive(Debug)]
+/**
+The [`Instance`] what you will be using to perform all sorts of actions on the Spacebar server.
+ */
+pub struct Instance {
+    pub urls: URLBundle,
+    pub instance_info: InstancePoliciesSchema,
+    pub requester: LimitedRequester,
+    //pub gateway: Gateway,
+    //pub users: HashMap<Token, Username>,
+}
+
+impl Instance {
+    /// Creates a new [`Instance`].
+    /// # Arguments
+    /// * `urls` - The [`URLBundle`] that contains all the URLs that are needed to connect to the Spacebar server.
+    /// * `requester` - The [`LimitedRequester`] that will be used to make requests to the Spacebar server.
+    /// # Errors
+    /// * [`InstanceError`] - If the instance cannot be created.
+    pub async fn new(
+        urls: URLBundle,
+        requester: LimitedRequester,
+    ) -> Result<Instance, InstanceError> {
+        let mut instance = Instance {
+            urls,
+            instance_info: InstancePoliciesSchema::new(
+                // This is okay, because the instance_info will be overwritten by the instance_policies_schema() function.
+                "".to_string(),
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+                None,
+            ),
+            requester,
+            //gateway: (),
+            //users: (),
+        };
+        instance.instance_info = match instance.instance_policies_schema().await {
+            Ok(schema) => schema,
+            Err(e) => return Err(InstanceError{message: format!("Something seems to be wrong with the instance. Cannot get information about the instance: {}", e)}),
+        };
+        Ok(instance)
+    }
+}
+
+#[derive(Debug, PartialEq, Eq)]
+pub struct InstanceError {
+    pub message: String,
+}
+
+impl InstanceError {
+    fn new(message: String) -> Self {
+        InstanceError { message }
+    }
+}
+
+impl fmt::Display for InstanceError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.message)
+    }
+}
+
+impl std::error::Error for InstanceError {}
+
+#[derive(Debug, PartialEq, Eq)]
+pub struct Token {
+    pub token: String,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+pub struct Username {
+    pub username: String,
+}
+
+impl Username {
+    /// Creates a new [`Username`].
+    /// # Arguments
+    /// * `username` - The username that will be used to create the [`Username`].
+    /// # Errors
+    /// * [`UsernameFormatError`] - If the username is not between 2 and 32 characters.
+    pub fn new(username: String) -> Result<Username, UsernameFormatError> {
+        if username.len() < 2 || username.len() > 32 {
+            return Err(UsernameFormatError::new(
+                "Username must be between 2 and 32 characters".to_string(),
+            ));
+        }
+        return Ok(Username { username });
+    }
+}
+
+#[derive(Debug, PartialEq, Eq)]
+pub struct UsernameFormatError {
+    pub message: String,
+}
+
+impl UsernameFormatError {
+    fn new(message: String) -> Self {
+        UsernameFormatError { message }
+    }
+}
+
+impl fmt::Display for UsernameFormatError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.message)
+    }
+}
+
+impl std::error::Error for UsernameFormatError {}
diff --git a/src/lib.rs b/src/lib.rs
index ee1ae54..838f31b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,11 +1,11 @@
 mod api;
-mod client;
 mod gateway;
+mod instance;
 mod limit;
 mod voice;
 
 use url::{ParseError, Url};
-#[derive(Clone, Default, Debug)]
+#[derive(Clone, Default, Debug, PartialEq, Eq)]
 
 /// A URLBundle is a struct which bundles together the API-, Gateway- and CDN-URLs of a Spacebar
 /// instance.