diff --git a/AdminUI/LearningHub.Nhs.AdminUI/Services/CatalogueService.cs b/AdminUI/LearningHub.Nhs.AdminUI/Services/CatalogueService.cs
index b2a082dc6..2ac0088d9 100644
--- a/AdminUI/LearningHub.Nhs.AdminUI/Services/CatalogueService.cs
+++ b/AdminUI/LearningHub.Nhs.AdminUI/Services/CatalogueService.cs
@@ -25,9 +25,11 @@ public class CatalogueService : BaseService, ICatalogueService
         /// Initializes a new instance of the <see cref="CatalogueService"/> class.
         /// </summary>
         /// <param name="learningHubHttpClient">The learningHubHttpClient<see cref="ILearningHubHttpClient"/>.</param>
+        /// <param name="openApiHttpClient">The Open Api Http Client.</param>
         /// <param name="openApiFacade">The openApiFacade<see cref="IOpenApiFacade"/>.</param>
         public CatalogueService(
             ILearningHubHttpClient learningHubHttpClient,
+            IOpenApiHttpClient openApiHttpClient,
             IOpenApiFacade openApiFacade)
         : base(learningHubHttpClient)
         {
diff --git a/AdminUI/LearningHub.Nhs.AdminUI/Services/ContentService.cs b/AdminUI/LearningHub.Nhs.AdminUI/Services/ContentService.cs
index cc792c228..ec983fffd 100644
--- a/AdminUI/LearningHub.Nhs.AdminUI/Services/ContentService.cs
+++ b/AdminUI/LearningHub.Nhs.AdminUI/Services/ContentService.cs
@@ -37,7 +37,7 @@ public class ContentService : BaseService, IContentService
         /// <param name="fileService">The fileService<see cref="IFileService"/>.</param>
         /// <param name="azureMediaService">azureMediaService.</param>
         public ContentService(ILearningHubHttpClient learningHubHttpClient, IOpenApiHttpClient openApiHttpClient, IFileService fileService, IAzureMediaService azureMediaService)
-        : base(learningHubHttpClient)
+        : base(learningHubHttpClient, openApiHttpClient)
         {
             this.fileService = fileService;
             this.azureMediaService = azureMediaService;
diff --git a/AdminUI/LearningHub.Nhs.AdminUI/Services/UserGroupService.cs b/AdminUI/LearningHub.Nhs.AdminUI/Services/UserGroupService.cs
index a9a7a3133..0a941c761 100644
--- a/AdminUI/LearningHub.Nhs.AdminUI/Services/UserGroupService.cs
+++ b/AdminUI/LearningHub.Nhs.AdminUI/Services/UserGroupService.cs
@@ -32,15 +32,17 @@ public class UserGroupService : BaseService, IUserGroupService
         /// Initializes a new instance of the <see cref="UserGroupService"/> class.
         /// </summary>
         /// <param name="learningHubHttpClient">The learningHubHttpClient<see cref="ILearningHubHttpClient"/>.</param>
+        /// <param name="openApiHttpClient">The Open Api Http Client.</param>
         /// <param name="contextAccessor">The http context accessor.</param>
         /// <param name="cacheService">The cacheService.</param>
         /// <param name="roleService">The roleService.</param>
         public UserGroupService(
             ILearningHubHttpClient learningHubHttpClient,
+            IOpenApiHttpClient openApiHttpClient,
             ICacheService cacheService,
             IRoleService roleService,
             IHttpContextAccessor contextAccessor)
-        : base(learningHubHttpClient)
+        : base(learningHubHttpClient, openApiHttpClient)
         {
             this.contextAccessor = contextAccessor;
             this.cacheService = cacheService;
diff --git a/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/CatalogueService.cs b/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/CatalogueService.cs
index f75c0616e..53810f5d1 100644
--- a/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/CatalogueService.cs
+++ b/OpenAPI/LearningHub.Nhs.OpenApi.Services/Services/CatalogueService.cs
@@ -189,7 +189,7 @@ public CatalogueBasicViewModel GetBasicCatalogue(int catalogueNodeId)
         /// </summary>
         /// <param name="searchTerm">The searchTerm.</param>
         /// <returns>The catalogues.</returns>
-        public List<CatalogueViewModel> GetCatalogues(string searchTerm)
+        public List<CatalogueViewModel> GetCatalogues(string? searchTerm)
         {
             IQueryable<CatalogueNodeVersion> catalogueVersions = this.catalogueNodeVersionRepository.GetAll()
                  .Include(x => x.Keywords)
diff --git a/OpenAPI/LearningHub.Nhs.OpenApi/Controllers/CatalogueController.cs b/OpenAPI/LearningHub.Nhs.OpenApi/Controllers/CatalogueController.cs
index 3d6e330ff..55b812fdb 100644
--- a/OpenAPI/LearningHub.Nhs.OpenApi/Controllers/CatalogueController.cs
+++ b/OpenAPI/LearningHub.Nhs.OpenApi/Controllers/CatalogueController.cs
@@ -57,7 +57,7 @@ public async Task<IActionResult> GetAllCataloguesAsync(string filterChar = null)
         /// <returns>The catalogues.</returns>
         [HttpGet]
         [Route("Catalogues")]
-        public IActionResult GetCatalogues(string searchTerm)
+        public IActionResult GetCatalogues([FromQuery] string? searchTerm)
         {
             var catalogues = this.catalogueService.GetCatalogues(searchTerm);
             return this.Ok(catalogues);
@@ -152,7 +152,7 @@ public IActionResult GetCataloguesForCurrentUser()
         /// <returns>The actionResult.</returns>
         [HttpPost]
         [Route("Catalogues")]
-        public async Task<IActionResult> CreateCatalogue(CatalogueViewModel viewModel)
+        public async Task<IActionResult> CreateCatalogue([FromBody] CatalogueViewModel viewModel)
         {
             try
             {
@@ -237,7 +237,7 @@ public async Task<IActionResult> AccessRequest(int accessRequestId)
         /// <returns>The updated catalogue.</returns>
         [HttpPut]
         [Route("Catalogues")]
-        public async Task<IActionResult> UpdateCatalogue(CatalogueViewModel viewModel)
+        public async Task<IActionResult> UpdateCatalogue([FromBody] CatalogueViewModel viewModel)
         {
             try
             {