diff --git a/Sources/Internal/Transcoders/ISOTimestampTranscoder.swift b/Sources/Internal/Transcoders/ISOTimestampTranscoder.swift
index 887cd63..90eb7c2 100644
--- a/Sources/Internal/Transcoders/ISOTimestampTranscoder.swift
+++ b/Sources/Internal/Transcoders/ISOTimestampTranscoder.swift
@@ -17,7 +17,8 @@ import OpenAPIRuntime
 struct ISOTimestampTranscoder {
     
     // MARK: Properties
-
+    
+    /// A formatter to use to decode and encode ISO timestamps dates.
     private let dateFormatter: DateFormatter = .isoTimestamp
     
 }
diff --git a/Sources/Public/Services/AmiiboService.swift b/Sources/Public/Services/AmiiboService.swift
index 2b9c508..8fea32e 100644
--- a/Sources/Public/Services/AmiiboService.swift
+++ b/Sources/Public/Services/AmiiboService.swift
@@ -12,51 +12,81 @@
 
 import Foundation
 
+/// A type that implements the service that uses a client to make calls.
 public struct AmiiboService {
     
     // MARK: Properties
     
+    /// A client to interact with the endpoints.
     private let client: any APIClient
     
-    // MARK: Initialisers
-
-    public init(_ client: any APIClient) {
-        self.client = client
+    // MARK: Initializers
+    
+    /// Initializes this service with a specific client type.
+    /// - Parameter client: A representation of a client to use to interact with the endpoints.
+    public init(_ client: AmiiboClient) {
+        self.client = switch client {
+        case let .mock(mockClient): mockClient
+        case let .live(liveClient): liveClient
+        }
     }
 
     // MARK: Functions
-    
+
+    /// Gets a list of amiibo items based on a given filter.
+    /// - Parameter filter: A filter to remove unwanted items from the result.
+    /// - Returns: A list of filtered amiibo items.
+    /// - Throws: An ``AmiiboServiceError`` error in case some issue is encountered while generating the result.
     public func getAmiibos(
         _ filter: AmiiboFilter = .init()
-    ) async throws -> [Amiibo] {
+    ) async throws(AmiiboServiceError) -> [Amiibo] {
         try await client.getAmiibos(by: filter)
     }
-    
+
+    /// Gets a list of amiibo series based on a given filter.
+    /// - Parameter filter: A filter to remove unwanted items from the result.
+    /// - Returns: A list of filtered amiibo series.
+    /// - Throws: An ``AmiiboServiceError`` error in case some issue is encountered while generating the result.
     public func getAmiiboSeries(
         _ filter: AmiiboSeriesFilter = .init()
-    ) async throws -> [AmiiboSeries] {
+    ) async throws(AmiiboServiceError) -> [AmiiboSeries] {
         try await client.getAmiiboSeries(by: filter)
     }
-    
+
+    /// Gets a list of amiibo types based on a given filter.
+    /// - Parameter filter: A filter to remove unwanted items from the result.
+    /// - Returns: A list of filtered amiibo types.
+    /// - Throws: An ``AmiiboServiceError`` error in case some issue is encountered while generating the result.
     public func getAmiiboTypes(
         _ filter: AmiiboTypeFilter = .init()
-    ) async throws -> [AmiiboType] {
+    ) async throws(AmiiboServiceError) -> [AmiiboType] {
         try await client.getAmiiboTypes(by: filter)
     }
-    
+
+    /// Gets a list of game characters based on a given filter.
+    /// - Parameter filter: A filter to remove unwanted items from the result.
+    /// - Returns: A list of filtered game characters.
+    /// - Throws: An ``AmiiboServiceError`` error in case some issue is encountered while generating the result.
     public func getGameCharacters(
         _ filter: GameCharacterFilter = .init()
-    ) async throws -> [GameCharacter] {
+    ) async throws(AmiiboServiceError) -> [GameCharacter] {
         try await client.getGameCharacters(by: filter)
     }
-    
+
+    /// Gets a list of game series based on a given filter.
+    /// - Parameter filter: A filter to remove unwanted items from the result.
+    /// - Returns: A list of filtered game series.
+    /// - Throws: An ``AmiiboServiceError`` error in case some issue is encountered while generating the result.
     public func getGameSeries(
         _ filter: GameSeriesFilter = .init()
-    ) async throws -> [GameSeries] {
+    ) async throws(AmiiboServiceError) -> [GameSeries] {
         try await client.getGameSeries(by: filter)
     }
-    
-    public func getLastUpdated() async throws -> Date {
+
+    /// Gets the date when the data was last updated.
+    /// - Returns: A last updated date.
+    /// - Throws: An ``AmiiboServiceError`` error in case some issue is encountered while generating the result.
+    public func getLastUpdated() async throws(AmiiboServiceError) -> Date {
         try await client.getLastUpdated()
     }
     
diff --git a/Tests/Public/Services/AmiiboServiceLiveTests.swift b/Tests/Public/Services/AmiiboServiceLiveTests.swift
index 7c581ee..25d4774 100644
--- a/Tests/Public/Services/AmiiboServiceLiveTests.swift
+++ b/Tests/Public/Services/AmiiboServiceLiveTests.swift
@@ -23,10 +23,8 @@ struct AmiiboServiceLiveTests {
     
     // MARK: Initialisers
     
-    init() throws {
-        let client = try AmiiboLiveClient()
-        
-        self.service = .init(client)
+    init() {
+        self.service = .init(.live())
     }
     
     // MARK: Functions tests