diff --git a/src/FMData.Rest/FileMakerRestClient.cs b/src/FMData.Rest/FileMakerRestClient.cs
index 6eead1b..a71ee87 100644
--- a/src/FMData.Rest/FileMakerRestClient.cs
+++ b/src/FMData.Rest/FileMakerRestClient.cs
@@ -269,6 +269,7 @@ public async Task<IResponse> LogoutAsync()
 
         #region Special Implementations
         /// <inheritdoc />
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         public override async Task<IEnumerable<T>> FindAsync<T>(
             string layout,
             Dictionary<string, string> req)
@@ -308,6 +309,7 @@ public override async Task<IEnumerable<T>> FindAsync<T>(
         /// </summary>
         /// <param name="req">The find request field/value dictionary to pass into FileMaker server.</param>
         /// <returns>A <see cref="Dictionary{String,String}"/> wrapped in a FindResponse containing both record data and portal data.</returns>
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         public override async Task<IFindResponse<Dictionary<string, string>>> SendAsync(IFindRequest<Dictionary<string, string>> req)
         {
             if (string.IsNullOrEmpty(req.Layout)) throw new ArgumentException("Layout is required on the request.");
diff --git a/src/FMData.Xml/FileMakerXmlClient.cs b/src/FMData.Xml/FileMakerXmlClient.cs
index 06a0e92..0e4afd3 100644
--- a/src/FMData.Xml/FileMakerXmlClient.cs
+++ b/src/FMData.Xml/FileMakerXmlClient.cs
@@ -100,12 +100,14 @@ public override Task<T> GetByFileMakerIdAsync<T>(string layout, int fileMakerId,
         /// <summary>
         /// Find a record using a dictionary of input parameters.
         /// </summary>
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         public override Task<IFindResponse<Dictionary<string, string>>> SendAsync(IFindRequest<Dictionary<string, string>> req)
         {
             throw new NotImplementedException();
         }
 
         /// <inheritdoc />
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         public override Task<IEnumerable<T>> FindAsync<T>(
             string layout,
             Dictionary<string, string> req)
diff --git a/src/FMData/FileMakerApiClientBase.cs b/src/FMData/FileMakerApiClientBase.cs
index f28550f..5051889 100644
--- a/src/FMData/FileMakerApiClientBase.cs
+++ b/src/FMData/FileMakerApiClientBase.cs
@@ -267,7 +267,7 @@ public Task<ICreateResponse> CreateAsync<T>(
         /// </summary>
         /// <param name="database">The database to query.</param>
         /// <returns>The names of the layouts in the specified database.</returns>
-        [Obsolete]
+        [Obsolete("Cannot call Metadata method on different file than open file. https://github.com/fuzzzerd/fmdata/issues/117")]
         public Task<IReadOnlyCollection<LayoutListItem>> GetLayoutsAsync(string database)
         {
             if (database != FileName)
@@ -288,7 +288,7 @@ public Task<IReadOnlyCollection<LayoutListItem>> GetLayoutsAsync(string database
         /// </summary>
         /// <param name="database">The database to query.</param>
         /// <returns>The names of the scripts in the specified database.</returns>
-        [Obsolete]
+        [Obsolete("Cannot call Metadata method on different file than open file. https://github.com/fuzzzerd/fmdata/issues/117")]
         public Task<IReadOnlyCollection<ScriptListItem>> GetScriptsAsync(string database)
         {
             if (database != FileName)
@@ -311,7 +311,7 @@ public Task<IReadOnlyCollection<ScriptListItem>> GetScriptsAsync(string database
         /// <param name="layout">The layout to get data about.</param>
         /// <param name="recordId">Optional RecordId, for getting layout data specific to a record. ValueLists, etc.</param>
         /// <returns>An instance of the LayoutMetadata class for the specified layout.</returns>
-        [Obsolete]
+        [Obsolete("Cannot call Metadata method on different file than open file. https://github.com/fuzzzerd/fmdata/issues/117")]
         public Task<LayoutMetadata> GetLayoutAsync(string database, string layout, int? recordId = null)
         {
             if (database != FileName)
@@ -628,6 +628,7 @@ public Task<IResponse> DeleteAsync(
         /// <summary>
         /// Send a Find Record request to the FileMaker API.
         /// </summary>
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         public abstract Task<IFindResponse<Dictionary<string, string>>> SendAsync(IFindRequest<Dictionary<string, string>> req);
 
         /// <summary>
@@ -673,7 +674,9 @@ public virtual async Task<IEnumerable<T>> SendAsync<T>(
             Func<TResponse, int, object> modId = null) where TResponse : class, new();
 
         #endregion
+
         /// <inheritdoc />
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         public abstract Task<IEnumerable<T>> FindAsync<T>(string layout, Dictionary<string, string> req);
 
         /// <summary>
diff --git a/src/FMData/IFileMakerApiClient.cs b/src/FMData/IFileMakerApiClient.cs
index 18e7bb9..f94a8e5 100644
--- a/src/FMData/IFileMakerApiClient.cs
+++ b/src/FMData/IFileMakerApiClient.cs
@@ -166,7 +166,7 @@ public interface IFileMakerApiClient
         /// </summary>
         /// <param name="database">The database to query.</param>
         /// <returns>The names of the layouts in the specified database.</returns>
-        [Obsolete]
+        [Obsolete("Cannot call Metadata method on different file than open file. https://github.com/fuzzzerd/fmdata/issues/117")]
         Task<IReadOnlyCollection<LayoutListItem>> GetLayoutsAsync(string database);
 
         /// <summary>
@@ -182,7 +182,7 @@ public interface IFileMakerApiClient
         /// <param name="layout">The layout to get data about.</param>
         /// <param name="recordId">Optional RecordId, for getting layout data specific to a record. ValueLists, etc.</param>
         /// <returns>An instance of the LayoutMetadata class for the specified layout.</returns>
-        [Obsolete]
+        [Obsolete("Cannot call Metadata method on different file than open file. https://github.com/fuzzzerd/fmdata/issues/117")]
         Task<LayoutMetadata> GetLayoutAsync(string database, string layout, int? recordId = null);
 
         /// <summary>
@@ -198,7 +198,7 @@ public interface IFileMakerApiClient
         /// </summary>
         /// <param name="database">The database to query.</param>
         /// <returns>The names of the scripts in the specified database.</returns>
-        [Obsolete]
+        [Obsolete("Cannot call Metadata method on different file than open file. https://github.com/fuzzzerd/fmdata/issues/117")]
         Task<IReadOnlyCollection<ScriptListItem>> GetScriptsAsync(string database);
 
         /// <summary>
@@ -295,6 +295,7 @@ public interface IFileMakerApiClient
         /// <param name="layout"></param>
         /// <param name="req"></param>
         /// <returns></returns>
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         Task<IEnumerable<T>> FindAsync<T>(string layout, Dictionary<string, string> req);
         #endregion
 
@@ -443,6 +444,7 @@ Task<IEditResponse> UpdateContainerAsync(
         /// Find a record or records matching the request.
         /// </summary>
         /// <param name="req">Find request.</param>
+        [Obsolete("Use SendAsync<TResponse, TRequest>() instead. See also: https://github.com/fuzzzerd/fmdata/pull/326")]
         Task<IFindResponse<Dictionary<string, string>>> SendAsync(IFindRequest<Dictionary<string, string>> req);
 
         /// <summary>
diff --git a/tests/FMData.Rest.Tests/Find.SendAsync.Tests.cs b/tests/FMData.Rest.Tests/Find.SendAsync.Tests.cs
index bca5120..07ac33a 100644
--- a/tests/FMData.Rest.Tests/Find.SendAsync.Tests.cs
+++ b/tests/FMData.Rest.Tests/Find.SendAsync.Tests.cs
@@ -14,6 +14,7 @@ namespace FMData.Rest.Tests
     public class FindRequestTests
     {
         [Fact]
+        [Obsolete]
         public async Task SendAsync_Find_Should_ReturnData()
         {
             var fdc = FindTestsHelpers.GetMockedFDC();
@@ -36,6 +37,7 @@ public async Task SendAsync_EmptyFind_ShouldReturnMany()
         }
 
         [Fact]
+        [Obsolete]
         public async Task SendAsync_FindWithoutQuery_ShouldConvertToGetRange_AndReturnMany()
         {
             var fdc = FindTestsHelpers.GetMockedFDC();
@@ -46,7 +48,8 @@ public async Task SendAsync_FindWithoutQuery_ShouldConvertToGetRange_AndReturnMa
         }
 
         [Fact]
-        public async Task SendAsync_FindWithoutlayout_ShouldThrowArgumentException()
+        [Obsolete]
+        public async Task SendAsync_FindWithoutLayout_ShouldThrowArgumentException()
         {
             var fdc = FindTestsHelpers.GetMockedFDC();
 
@@ -166,6 +169,7 @@ public async Task SendAsyncFind_WithoutLayout_ShouldThrow()
         }
 
         [Fact]
+        [Obsolete]
         public async Task SendAsync_Dictionary_WithPortals_ShouldHaveData()
         {
             // arrange