diff --git a/DragonFruit.Common.Data.Tests/RequestDataCompilationTests.cs b/DragonFruit.Common.Data.Tests/RequestDataCompilationTests.cs
index 619c374..9b0d73c 100644
--- a/DragonFruit.Common.Data.Tests/RequestDataCompilationTests.cs
+++ b/DragonFruit.Common.Data.Tests/RequestDataCompilationTests.cs
@@ -1,6 +1,7 @@
 // DragonFruit.Common Copyright 2020 DragonFruit Network
 // Licensed under the MIT License. Please refer to the LICENSE file at the root of this project for details
 
+using System.Collections.Generic;
 using System.Linq;
 using DragonFruit.Common.Data.Parameters;
 using DragonFruit.Common.Data.Utils;
@@ -11,7 +12,7 @@ namespace DragonFruit.Common.Data.Tests
     [TestFixture]
     public class RequestDataCompilationTests
     {
-        [TestCase]
+        [Test]
         public void TestQueries()
         {
             var query = new TestRequest().FullUrl.Split('?').Last().Split('&');
@@ -27,7 +28,7 @@ public void TestQueries()
             Assert.IsTrue(query.Contains($"{TestRequest.QueryName}={string.Join(":", TestRequest.TestDataset)}"));
         }
 
-        [TestCase]
+        [Test]
         public void TestEnumHandling()
         {
             var request = new TestRequest();
@@ -37,6 +38,15 @@ public void TestEnumHandling()
             Assert.IsTrue(query.Contains($"enum={nameof(EnumValues.Blue).ToLower(CultureUtils.DefaultCulture)}"));
             Assert.IsTrue(query.Contains($"enum={(int)EnumValues.Green}"));
         }
+
+        [Test]
+        public void TestAdditionalQueryHandling()
+        {
+            var request = new TestRequest();
+            var query = request.FullUrl.Split('?').Last().Split('&');
+
+            Assert.IsTrue(query.Contains("a=x"));
+        }
     }
 
     internal class TestRequest : ApiRequest
@@ -46,6 +56,11 @@ internal class TestRequest : ApiRequest
 
         public override string Path => "http://example.com";
 
+        protected override IEnumerable<KeyValuePair<string, string>> AdditionalQueries => new[]
+        {
+            new KeyValuePair<string, string>("a", "x")
+        };
+
         [QueryParameter(QueryName, CollectionConversionMode.Recursive)]
         public string[] RecursiveData { get; set; } = TestDataset;
 
diff --git a/DragonFruit.Common.Data/ApiRequest.cs b/DragonFruit.Common.Data/ApiRequest.cs
index 0b46fb1..3aadd7f 100644
--- a/DragonFruit.Common.Data/ApiRequest.cs
+++ b/DragonFruit.Common.Data/ApiRequest.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using DragonFruit.Common.Data.Parameters;
@@ -34,11 +35,8 @@ public abstract class ApiRequest
         protected virtual BodyType BodyType { get; }
 
         /// <summary>
-        /// Whether an auth header is required.
+        /// Whether an auth header is required. Throws on check failure (before sending request)
         /// </summary>
-        /// <exception cref="ClientValidationException">This was set to true but no auth header was specified.
-        /// Automatically suppressed if the <see cref="Headers"/> property has been initialised.
-        /// </exception>
         protected internal virtual bool RequireAuth => false;
 
         /// <summary>
@@ -81,7 +79,25 @@ public abstract class ApiRequest
         /// <summary>
         /// Query string generated from all filled <see cref="QueryParameter"/>-attributed properties
         /// </summary>
-        internal string QueryString => QueryUtils.QueryStringFrom(ParameterUtils.GetParameter<QueryParameter>(this, RequestCulture));
+        internal string QueryString
+        {
+            get
+            {
+                var queries = ParameterUtils.GetParameter<QueryParameter>(this, RequestCulture);
+
+                if (AdditionalQueries != null)
+                {
+                    queries = queries.Concat(AdditionalQueries);
+                }
+
+                return QueryUtils.QueryStringFrom(queries);
+            }
+        }
+
+        /// <summary>
+        /// Additional abstract collection of queries provided as an <see cref="IEnumerable{T}"/> of <see cref="KeyValuePair{TKey,TValue}"/>
+        /// </summary>
+        protected virtual IEnumerable<KeyValuePair<string, string>> AdditionalQueries { get; }
 
         /// <summary>
         /// Create a <see cref="HttpResponseMessage"/> for this <see cref="ApiRequest"/>, which can then be modified manually or overriden by <see cref="ApiClient.SetupRequest"/>