diff --git a/Sources/SwiftDevRant/AuthToken.swift b/Sources/SwiftDevRant/AuthToken.swift
deleted file mode 100644
index 793cf65..0000000
--- a/Sources/SwiftDevRant/AuthToken.swift
+++ /dev/null
@@ -1,10 +0,0 @@
-public struct AuthToken: Codable, Hashable {
-    public struct Container: Codable {
-        public let auth_token: AuthToken
-    }
-    
-    public let id: Int
-    public let key: String
-    public let expire_time: Int
-    public let user_id: Int
-}
diff --git a/Sources/SwiftDevRant/DevRantApiError.swift b/Sources/SwiftDevRant/DevRantApiError.swift
new file mode 100644
index 0000000..f3d624e
--- /dev/null
+++ b/Sources/SwiftDevRant/DevRantApiError.swift
@@ -0,0 +1,15 @@
+public struct DevRantApiError: Swift.Error {
+    let message: String
+}
+
+public extension DevRantApiError {
+    struct CodingData: Decodable, Swift.Error {
+        let error: String
+    }
+}
+
+public extension DevRantApiError.CodingData {
+    var decoded: DevRantApiError {
+        .init(message: error)
+    }
+}
diff --git a/Sources/SwiftDevRant/Models/AuthToken.swift b/Sources/SwiftDevRant/Models/AuthToken.swift
new file mode 100644
index 0000000..b3c4a64
--- /dev/null
+++ b/Sources/SwiftDevRant/Models/AuthToken.swift
@@ -0,0 +1,43 @@
+import Foundation
+
+public struct AuthToken: Hashable {
+    public let id: Int
+    public let key: String
+    public let expireTime: Date
+    public let userId: Int
+    
+    public init(id: Int, key: String, expireTime: Date, userId: Int) {
+        self.id = id
+        self.key = key
+        self.expireTime = expireTime
+        self.userId = userId
+    }
+    
+    public var isExpired: Bool {
+        expireTime < Date()
+    }
+}
+
+extension AuthToken {
+    struct CodingData: Codable {
+        struct Container: Codable {
+            let auth_token: AuthToken.CodingData
+        }
+        
+        let id: Int
+        let key: String
+        let expire_time: Int
+        let user_id: Int
+    }
+}
+
+extension AuthToken.CodingData {
+    var decoded: AuthToken {
+        .init(
+            id: id,
+            key: key,
+            expireTime: Date(timeIntervalSince1970: TimeInterval(expire_time)),
+            userId: user_id
+        )
+    }
+}
diff --git a/Sources/SwiftDevRant/Request/Request.swift b/Sources/SwiftDevRant/Request/Request.swift
index 6673c8c..8c3c87f 100644
--- a/Sources/SwiftDevRant/Request/Request.swift
+++ b/Sources/SwiftDevRant/Request/Request.swift
@@ -19,7 +19,7 @@ public struct Request {
         }
     }
     
-    public struct EmptyError: Decodable {
+    public struct EmptyError: Decodable, Swift.Error {
         
     }
     
diff --git a/Sources/SwiftDevRant/SwiftDevRant.swift b/Sources/SwiftDevRant/SwiftDevRant.swift
index 8292d50..0283c4e 100644
--- a/Sources/SwiftDevRant/SwiftDevRant.swift
+++ b/Sources/SwiftDevRant/SwiftDevRant.swift
@@ -1,3 +1,85 @@
 public struct SwiftDevRant {
     let request = Request(encoder: .devRant, decoder: .devRant)
+    let backend = DevRantBackend()
+    
+    func makeConfig(_ method: Request.Method, path: String, urlParameters: [String: String] = [:], headers: [String: String] = [:], token: AuthToken? = nil) -> Request.Config {
+        var urlParameters = urlParameters
+        urlParameters["app"] = "3"
+        if let token {
+            urlParameters["token_id"] = String(token.id)
+            urlParameters["token_key"] = token.key
+            urlParameters["user_id"] = String(token.userId)
+        }
+        
+        var headers = headers
+        headers["Content-Type"] = "application/x-www-form-urlencoded"
+        
+        return .init(method: method, backend: backend, path: path, urlParameters: urlParameters, headers: headers)
+    }
+    
+    public func logIn(username: String, password: String) async throws -> AuthToken {
+        var parameters: [String: String] = [:]
+        parameters["username"] = username
+        parameters["password"] = password
+        
+        let config = makeConfig(.post, path: "users/auth-token", urlParameters: parameters)
+        
+        let response: AuthToken.CodingData.Container = try await request.requestJson(config: config, apiError: DevRantApiError.CodingData.self)
+        
+        return response.auth_token.decoded
+    }
+    
+    /// Gets a personalized feed of rants.
+    ///
+    /// - Parameters:
+    ///    - token: The token from the `logIn` call response.
+    ///    - limit: The number of rants to get for pagination.
+    ///    - skip: How many rants to skip for pagination.
+    ///    - sessionHash: Pass the session hash value from the last rant feed response or `nil` if calling for the first time.
+    public func getRantFeed(token: AuthToken, sort: RantFeed.Sort = .algorithm, limit: Int = 20, skip: Int, sessionHash: String?) async throws -> RantFeed {
+        var parameters: [String: String] = [:]
+        
+        parameters["sort"] = switch sort {
+        case .algorithm: "algo"
+        case .recent: "recent"
+        case .top: "top"
+        }
+        
+        switch sort {
+        case .top(range: let range):
+            parameters["range"] = switch range {
+            case .day: "day"
+            case .week: "week"
+            case .month: "month"
+            case .all: "all"
+            }
+        default:
+            break
+        }
+        
+        parameters["limit"] = String(limit)
+        parameters["skip"] = String(skip)
+        parameters["prev_set"] = sessionHash
+        
+        parameters["plat"] = "1" // I don't know wtf that is.
+        parameters["nari"] = "1" // I don't know wtf that is.
+        
+        let config = makeConfig(.get, path: "devrant/rants", urlParameters: parameters)
+        
+        let response: RantFeed.CodingData = try await request.requestJson(config: config, apiError: DevRantApiError.CodingData.self)
+        
+        return response.decoded
+    }
+    
+    /// Get all weeklies as a list.
+    ///
+    /// - Parameters:
+    ///    - token: The token from the `logIn` call response.
+    public func getWeeklies(token: AuthToken) async throws -> [Weekly] {
+        let config = makeConfig(.get, path: "devrant/weekly-list")
+        
+        let response: Weekly.CodingData.List = try await request.requestJson(config: config, apiError: DevRantApiError.CodingData.self)
+        
+        return response.weeks.map(\.decoded)
+    }
 }