diff --git a/Octokit.Reactive/Clients/IObservableOrganizationMembersClient.cs b/Octokit.Reactive/Clients/IObservableOrganizationMembersClient.cs
index a775e5f0e7..7bdea7fff3 100644
--- a/Octokit.Reactive/Clients/IObservableOrganizationMembersClient.cs
+++ b/Octokit.Reactive/Clients/IObservableOrganizationMembersClient.cs
@@ -340,5 +340,28 @@ public interface IObservableOrganizationMembersClient
         /// <param name="options">Options to change API behaviour</param>
         /// <returns></returns>
         IObservable<OrganizationMembershipInvitation> GetAllPendingInvitations(string org, ApiOptions options);
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <returns></returns>
+        IObservable<OrganizationMembershipInvitation> GetAllFailedInvitations(string org);
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <param name="options">Options to change API behaviour</param>
+        /// <returns></returns>
+        IObservable<OrganizationMembershipInvitation> GetAllFailedInvitations(string org, ApiOptions options);
     }
 }
diff --git a/Octokit.Reactive/Clients/ObservableOrganizationMembersClient.cs b/Octokit.Reactive/Clients/ObservableOrganizationMembersClient.cs
index bda101a24a..64a97cbcbe 100644
--- a/Octokit.Reactive/Clients/ObservableOrganizationMembersClient.cs
+++ b/Octokit.Reactive/Clients/ObservableOrganizationMembersClient.cs
@@ -470,7 +470,41 @@ public IObservable<OrganizationMembershipInvitation> GetAllPendingInvitations(st
             Ensure.ArgumentNotNullOrEmptyString(org, nameof(org));
             Ensure.ArgumentNotNull(options, nameof(options));
 
-            return _connection.GetAndFlattenAllPages<OrganizationMembershipInvitation>(ApiUrls.OrganizationPendingInvititations(org), null, options);
+            return _connection.GetAndFlattenAllPages<OrganizationMembershipInvitation>(ApiUrls.OrganizationPendingInvitations(org), null, options);
+        }
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <returns></returns>
+        public IObservable<OrganizationMembershipInvitation> GetAllFailedInvitations(string org)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(org, nameof(org));
+
+            return GetAllFailedInvitations(org, ApiOptions.None);
+        }
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <param name="options">Options to change API behaviour</param>
+        /// <returns></returns>
+        public IObservable<OrganizationMembershipInvitation> GetAllFailedInvitations(string org, ApiOptions options)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(org, nameof(org));
+            Ensure.ArgumentNotNull(options, nameof(options));
+
+            return _connection.GetAndFlattenAllPages<OrganizationMembershipInvitation>(ApiUrls.OrganizationFailedInvitations(org), null, options);
         }
     }
 }
diff --git a/Octokit.Tests.Integration/Clients/OrganizationMembersClientTests.cs b/Octokit.Tests.Integration/Clients/OrganizationMembersClientTests.cs
index a86793f3c1..5e8dc01c04 100644
--- a/Octokit.Tests.Integration/Clients/OrganizationMembersClientTests.cs
+++ b/Octokit.Tests.Integration/Clients/OrganizationMembersClientTests.cs
@@ -275,5 +275,23 @@ public async Task ReturnsCorrectCountOfPendingInvitationsWithStart()
                 }
             }
         }
+
+        public class TheGetAllFailedInvitationsMethod
+        {
+            readonly IGitHubClient _gitHub;
+
+            public TheGetAllFailedInvitationsMethod()
+            {
+                _gitHub = Helper.GetAuthenticatedClient();
+            }
+
+            [OrganizationTest]
+            public async Task ReturnsNoFailedInvitations()
+            {
+                var pendingInvitations = await _gitHub.Organization.Member.GetAllFailedInvitations(Helper.Organization);
+                Assert.NotNull(pendingInvitations);
+                Assert.Empty(pendingInvitations);
+            }
+        }
     }
 }
diff --git a/Octokit/Clients/IOrganizationMembersClient.cs b/Octokit/Clients/IOrganizationMembersClient.cs
index cb33f5aed7..91f102daec 100644
--- a/Octokit/Clients/IOrganizationMembersClient.cs
+++ b/Octokit/Clients/IOrganizationMembersClient.cs
@@ -346,5 +346,28 @@ public interface IOrganizationMembersClient
         /// <param name="options">Options to change API behaviour</param>
         /// <returns></returns>
         Task<IReadOnlyList<OrganizationMembershipInvitation>> GetAllPendingInvitations(string org, ApiOptions options);
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <returns></returns>
+        Task<IReadOnlyList<OrganizationMembershipInvitation>> GetAllFailedInvitations(string org);
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <param name="options">Options to change API behaviour</param>
+        /// <returns></returns>
+        Task<IReadOnlyList<OrganizationMembershipInvitation>> GetAllFailedInvitations(string org, ApiOptions options);
     }
 }
diff --git a/Octokit/Clients/OrganizationMembersClient.cs b/Octokit/Clients/OrganizationMembersClient.cs
index ca2931ed37..4bed05e1ad 100644
--- a/Octokit/Clients/OrganizationMembersClient.cs
+++ b/Octokit/Clients/OrganizationMembersClient.cs
@@ -565,7 +565,43 @@ public Task<IReadOnlyList<OrganizationMembershipInvitation>> GetAllPendingInvita
             Ensure.ArgumentNotNullOrEmptyString(org, nameof(org));
             Ensure.ArgumentNotNull(options, nameof(options));
 
-            return ApiConnection.GetAll<OrganizationMembershipInvitation>(ApiUrls.OrganizationPendingInvititations(org), null, options);
+            return ApiConnection.GetAll<OrganizationMembershipInvitation>(ApiUrls.OrganizationPendingInvitations(org), null, options);
+        }
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <returns></returns>
+        [ManualRoute("GET", "/orgs/{org}/failed_invitations")]
+        public Task<IReadOnlyList<OrganizationMembershipInvitation>> GetAllFailedInvitations(string org)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(org, nameof(org));
+
+            return GetAllFailedInvitations(org, ApiOptions.None);
+        }
+
+        /// <summary>
+        /// List failed organization invitations.
+        /// </summary>
+        /// <remarks>
+        /// See the <a href="https://docs.github.com/en/rest/orgs/members#list-failed-organization-invitations">API Documentation</a>
+        /// for more information.
+        /// </remarks>
+        /// <param name="org">The login for the organization</param>
+        /// <param name="options">Options to change API behaviour</param>
+        /// <returns></returns>
+        [ManualRoute("GET", "/orgs/{org}/failed_invitations")]
+        public Task<IReadOnlyList<OrganizationMembershipInvitation>> GetAllFailedInvitations(string org, ApiOptions options)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(org, nameof(org));
+            Ensure.ArgumentNotNull(options, nameof(options));
+
+            return ApiConnection.GetAll<OrganizationMembershipInvitation>(ApiUrls.OrganizationFailedInvitations(org), null, options);
         }
     }
 }
diff --git a/Octokit/Helpers/ApiUrls.cs b/Octokit/Helpers/ApiUrls.cs
index 098de9c8ef..d2f103eb89 100644
--- a/Octokit/Helpers/ApiUrls.cs
+++ b/Octokit/Helpers/ApiUrls.cs
@@ -846,11 +846,21 @@ public static Uri OrganizationMemberships(string org, string name)
         /// </summary>
         /// <param name="org">The name of the organization</param>
         /// <returns></returns>
-        public static Uri OrganizationPendingInvititations(string org)
+        public static Uri OrganizationPendingInvitations(string org)
         {
             return "orgs/{0}/invitations".FormatUri(org);
         }
 
+        /// <summary>
+        /// Returns the <see cref="Uri"/> for the organizations failed invitations
+        /// </summary>
+        /// <param name="org">The name of the organization</param>
+        /// <returns></returns>
+        public static Uri OrganizationFailedInvitations(string org)
+        {
+            return "orgs/{0}/failed_invitations".FormatUri(org);
+        }
+
         /// <summary>
         /// Returns the <see cref="Uri"/> that returns all of the outside collaborators of the organization
         /// </summary>