diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 247ece5..d97ece9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,15 +6,17 @@ jobs:
     strategy:
       matrix:
         dotnet-version:
-          - '2.1'
-          - '2.2'
+          - '9.0'
     name: .NET ${{ matrix.dotnet-version }} sample
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-dotnet@v2
+      - uses: actions/checkout@v4
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ matrix.dotnet-version }}
-      - run: dotnet restore
-      - env:
+      - name: Restore dependencies
+        run: dotnet restore
+      - name: Run tests
+        env:
           DETECTLANGUAGE_API_KEY: ${{ secrets.DETECTLANGUAGE_API_KEY }}
         run: dotnet test
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..7eea7ae
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,24 @@
+name: Publish dotnet package
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0
+      - name: Build
+        run: dotnet build --configuration Release
+      - name: Pack
+        run: dotnet pack --configuration Release
+      - name: Publish the package to nuget.org
+        run: dotnet nuget push */bin/Release/*.nupkg -k $NUGET_AUTH_TOKEN -s https://api.nuget.org/v3/index.json
+        env:
+          NUGET_AUTH_TOKEN: ${{ secrets.NUGET_TOKEN }}
diff --git a/.gitignore b/.gitignore
index d0e4b10..88d3156 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 ## files generated by popular Visual Studio add-ons.
 
 # User-specific files
+.env.local
 *.suo
 *.user
 *.sln.docstates
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..42a0908
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,15 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## v2.0.0
+
+### Changed
+- Switched to v3 API which uses updated language detection model
+- ⚠️ Added `DetectResult` field `score`, removed `confidence` and `reliable`
+- Renamed `GetUserStatusAsync` to `GetAccountStatusAsync`
+- Updated `Newtonsoft.Json` dependency to `13.0.3`
diff --git a/DetectLanguage.Tests/DetectLanguage.Tests.csproj b/DetectLanguage.Tests/DetectLanguage.Tests.csproj
index 47ed67d..c6b114e 100644
--- a/DetectLanguage.Tests/DetectLanguage.Tests.csproj
+++ b/DetectLanguage.Tests/DetectLanguage.Tests.csproj
@@ -1,15 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net9.0</TargetFrameworks>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="nunit" Version="3.11.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.11.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="nunit" Version="3.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/DetectLanguage.Tests/DetectLanguageClientTest.cs b/DetectLanguage.Tests/DetectLanguageClientTest.cs
index 8d2e4c3..8671afe 100644
--- a/DetectLanguage.Tests/DetectLanguageClientTest.cs
+++ b/DetectLanguage.Tests/DetectLanguageClientTest.cs
@@ -24,8 +24,7 @@ public async Task TestDetectAsync() {
             var results = await client.DetectAsync("Labas rytas");
 
             Assert.That(results[0].language, Is.EqualTo("lt"));
-            Assert.That(results[0].reliable, Is.EqualTo(true));
-            Assert.That(results[0].confidence, Is.GreaterThan(0));
+            Assert.That(results[0].score, Is.GreaterThan(0));
         }
 
         [Test]
@@ -37,7 +36,7 @@ public async Task TestDetectCodeAsync() {
 
         [Test]
         public async Task TestDetectCodeAsyncNull() {
-            string language = await client.DetectCodeAsync("-");
+            string language = await client.DetectCodeAsync(" ");
 
             Assert.IsNull(language);
         }
@@ -48,8 +47,7 @@ public async Task TestBatchDetectAsync() {
             var results = await client.BatchDetectAsync(texts);
 
             Assert.That(results[0][0].language, Is.EqualTo("en"));
-            Assert.That(results[0][0].reliable, Is.EqualTo(true));
-            Assert.That(results[0][0].confidence, Is.GreaterThan(0));
+            Assert.That(results[0][0].score, Is.GreaterThan(0));
             Assert.That(results[1][0].language, Is.EqualTo("lt"));
         }
 
@@ -58,12 +56,12 @@ public async Task TestGetLanguagesAsync() {
             var languages = await client.GetLanguagesAsync();
 
             Assert.That(languages[0].code, Is.EqualTo("aa"));
-            Assert.That(languages[0].name, Is.EqualTo("AFAR"));
+            Assert.That(languages[0].name, Is.EqualTo("Afar"));
         }
 
         [Test]
-        public async Task TestGetUserStatusAsync() {
-            var userStatus = await client.GetUserStatusAsync();
+        public async Task TestGetAccountStatusAsync() {
+            var userStatus = await client.GetAccountStatusAsync();
 
             Assert.IsNotEmpty(userStatus.date);
             Assert.IsNotEmpty(userStatus.plan);
@@ -75,9 +73,9 @@ public async Task TestGetUserStatusAsync() {
         }
 
         [Test]
-        public void TestGetUserStatusAsyncError() {
+        public void TestGetAccountStatusAsyncError() {
             var testClient = new DetectLanguageClient("someApiKey");
-            var ex = Assert.ThrowsAsync<DetectLanguageException>(() => testClient.GetUserStatusAsync());
+            var ex = Assert.ThrowsAsync<DetectLanguageException>(() => testClient.GetAccountStatusAsync());
 
             Assert.IsNotEmpty(ex.Message);
             Assert.IsNotNull(ex.Error);
diff --git a/DetectLanguage.Tests/DetectLanguageConfigurationTest.cs b/DetectLanguage.Tests/DetectLanguageConfigurationTest.cs
index 975fcc5..b9686f7 100644
--- a/DetectLanguage.Tests/DetectLanguageConfigurationTest.cs
+++ b/DetectLanguage.Tests/DetectLanguageConfigurationTest.cs
@@ -10,7 +10,7 @@ public void TestApiKeyConstructor() {
             var config = new DetectLanguageConfiguration("someApiKey");
 
             Assert.That(config.ApiKey, Is.EqualTo("someApiKey"));
-            Assert.That(config.ApiBase, Is.EqualTo("https://ws.detectlanguage.com/0.2/"));
+            Assert.That(config.ApiBase, Is.EqualTo("https://ws.detectlanguage.com/v3/"));
             Assert.That(config.UserAgent, Does.Match("detectlanguage-dotnet/\\d+"));
         }
     }
diff --git a/DetectLanguage/DetectLanguage.csproj b/DetectLanguage/DetectLanguage.csproj
index 6b34f36..d5f5ef0 100644
--- a/DetectLanguage/DetectLanguage.csproj
+++ b/DetectLanguage/DetectLanguage.csproj
@@ -4,7 +4,7 @@
     <Description>Language Detection API Client for .NET (Official Library)</Description>
     <AssemblyName>DetectLanguage</AssemblyName>
     <PackageId>DetectLanguage</PackageId>
-    <Version>1.0.0</Version>
+    <Version>2.0.0</Version>
     <PackageTags>detect;identify;language;text;detectlanguage;detection;identification;nlp</PackageTags>
     <Authors>Laurynas Butkus</Authors>
     <Company>detectlanguage.com</Company>
@@ -12,12 +12,12 @@
     <RepositoryUrl>https://github.com/detectlanguage/detectlanguage-dotnet</RepositoryUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageIconUrl>https://www.nuget.org/profiles/detectlanguage/avatar?imageSize=128</PackageIconUrl>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>net5.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <None Include="..\README.md" Pack="true" PackagePath=""/>
   </ItemGroup>
 
diff --git a/DetectLanguage/DetectLanguageClient.cs b/DetectLanguage/DetectLanguageClient.cs
index 95df218..95171f3 100644
--- a/DetectLanguage/DetectLanguageClient.cs
+++ b/DetectLanguage/DetectLanguageClient.cs
@@ -28,9 +28,7 @@ public DetectLanguageClient(DetectLanguageConfiguration configuration) {
         /// <exception cref="DetectLanguageException">Thrown if the request fails.</exception>
         public async Task<DetectResult[]> DetectAsync(string text) {
             var request = new DetectRequest{ q = text };
-            var response = await httpClient.PostAsync<DetectResponse>("detect", request);
-
-            return response.data.detections;
+            return await httpClient.PostAsync<DetectResult[]>("detect", request);
         }
 
         /// <summary>
@@ -56,17 +54,15 @@ public async Task<string> DetectCodeAsync(string text) {
         /// <exception cref="DetectLanguageException">Thrown if the request fails.</exception>
         public async Task<DetectResult[][]> BatchDetectAsync(string[] texts) {
             var request = new BatchDetectRequest{ q = texts };
-            var response = await httpClient.PostAsync<BatchDetectResponse>("detect", request);
-
-            return response.data.detections;
+            return await httpClient.PostAsync<DetectResult[][]>("detect-batch", request);
         }
 
         /// <summary>
         /// Get account status
         /// </summary>
         /// <exception cref="DetectLanguageException">Thrown if the request fails.</exception>
-        public async Task<UserStatus> GetUserStatusAsync() {
-            return await httpClient.GetAsync<UserStatus>("user/status");
+        public async Task<AccountStatus> GetAccountStatusAsync() {
+            return await httpClient.GetAsync<AccountStatus>("account/status");
         }
 
         /// <summary>
diff --git a/DetectLanguage/DetectLanguageConfiguration.cs b/DetectLanguage/DetectLanguageConfiguration.cs
index 757b78e..b9924dd 100644
--- a/DetectLanguage/DetectLanguageConfiguration.cs
+++ b/DetectLanguage/DetectLanguageConfiguration.cs
@@ -14,7 +14,7 @@ public class DetectLanguageConfiguration {
         /// <summary>
         /// The API base URI to use on a per-request basis
         /// </summary>
-        public string ApiBase { get; set; } = "https://ws.detectlanguage.com/0.2/";
+        public string ApiBase { get; set; } = "https://ws.detectlanguage.com/v3/";
 
         /// <summary>
         /// HTTP request timeout
diff --git a/DetectLanguage/Entities/UserStatus.cs b/DetectLanguage/Entities/AccountStatus.cs
similarity index 97%
rename from DetectLanguage/Entities/UserStatus.cs
rename to DetectLanguage/Entities/AccountStatus.cs
index 46652e5..20f4acb 100644
--- a/DetectLanguage/Entities/UserStatus.cs
+++ b/DetectLanguage/Entities/AccountStatus.cs
@@ -1,7 +1,7 @@
 using Newtonsoft.Json;
 
 namespace DetectLanguage {
-    public class UserStatus {
+    public class AccountStatus {
         /// <summary>
         /// Current date
         /// </summary>
diff --git a/DetectLanguage/Entities/BatchDetectResponse.cs b/DetectLanguage/Entities/BatchDetectResponse.cs
deleted file mode 100644
index 9f2e974..0000000
--- a/DetectLanguage/Entities/BatchDetectResponse.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-
-namespace DetectLanguage {
-    public class BatchDetectResponse {
-        public BatchDetectData data;
-    }
-
-    public class BatchDetectData {
-        public DetectResult[][] detections;
-    }
-}
diff --git a/DetectLanguage/Entities/DetectResponse.cs b/DetectLanguage/Entities/DetectResponse.cs
deleted file mode 100644
index b991d46..0000000
--- a/DetectLanguage/Entities/DetectResponse.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-
-namespace DetectLanguage {
-    public class DetectResponse {
-        public DetectData data;
-    }
-
-    public class DetectData {
-        public DetectResult[] detections;
-    }
-}
diff --git a/DetectLanguage/Entities/DetectResult.cs b/DetectLanguage/Entities/DetectResult.cs
index 0e4020d..f9f55fb 100644
--- a/DetectLanguage/Entities/DetectResult.cs
+++ b/DetectLanguage/Entities/DetectResult.cs
@@ -8,14 +8,8 @@ public class DetectResult {
         public string language;
 
         /// <summary>
-        /// Is detection reliable
+        /// Detection score (0-1)
         /// </summary>
-        [JsonProperty("isReliable")]
-        public bool reliable;
-
-        /// <summary>
-        /// Detection confidence score
-        /// </summary>
-        public float confidence;
+        public float score;
     }
 }
diff --git a/README.md b/README.md
index d6bd80f..a7976bd 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,10 @@ From within Visual Studio:
 5. Click on the DetectLanguage package, select the appropriate version in the
    right-tab and click *Install*.
 
+### Upgrading
+
+When upgrading please check [changelog](CHANGELOG.md) for breaking changes.
+
 ## Documentation
 
 For a comprehensive list of examples, check out the [API documentation][api-docs].
@@ -55,7 +59,7 @@ DetectLanguageClient client = new DetectLanguageClient("YOUR API KEY");
 ### Language detection
 
 ```c#
-DetectResult[] results = await client.DetectAsync("Buenos dias señor");
+DetectResult[] results = await client.DetectAsync("Dolce far niente");
 ```
 
 ### Single language code detection
@@ -63,7 +67,7 @@ DetectResult[] results = await client.DetectAsync("Buenos dias señor");
 If you need just a language code you can use `DetectCodeAsync`. It returns first detected language code.
 
 ```c#
-string languageCode = await client.DetectCodeAsync("Buenos dias señor");
+string languageCode = await client.DetectCodeAsync("Dolce far niente");
 ```
 
 ### Batch detection
@@ -80,7 +84,7 @@ DetectResult[][] results = await client.BatchDetectAsync(texts);
 ### Getting your account status
 
 ```c#
-UserStatus userStatus = await client.GetUserStatusAsync();
+AccountStatus accountStatus = await client.GetAccountStatusAsync();
 ```
 
 ### Getting list supported languages
diff --git a/mise.toml b/mise.toml
new file mode 100644
index 0000000..8a031e1
--- /dev/null
+++ b/mise.toml
@@ -0,0 +1,8 @@
+[tools]
+dotnet = "9.0"
+
+[env]
+_.file = ".env.local"
+
+[tasks]
+test = "dotnet test"