diff --git a/internal/acceptance_test/helper.go b/internal/acceptance_test/helper.go
index 1fb8ce20..a737d32e 100644
--- a/internal/acceptance_test/helper.go
+++ b/internal/acceptance_test/helper.go
@@ -22,14 +22,19 @@ func getAPIClient() (*api_client.APIClient, api_client.Configuration) {
 		headers["Authorization"] = os.Getenv("HPEGL_IAM_TOKEN")
 		headers["subject"] = os.Getenv(constants.CmpSubjectKey)
 	}
-
+	iamVersion := utils.GetEnv("HPEGL_IAM_VERSION", constants.IamGlcs)
+	queryParam := map[string]string{
+		constants.LocationKey: os.Getenv("HPEGL_VMAAS_LOCATION"),
+	}
+	if iamVersion == constants.IamGlp {
+		queryParam[constants.WorkspaceKey] = os.Getenv("HPEGL_VMAAS_SPACE_NAME")
+	} else {
+		queryParam[constants.SpaceKey] = os.Getenv("HPEGL_VMAAS_SPACE_NAME")
+	}
 	cfg := api_client.Configuration{
-		Host:          os.Getenv("HPEGL_VMAAS_API_URL"),
-		DefaultHeader: headers,
-		DefaultQueryParams: map[string]string{
-			constants.LocationKey: os.Getenv("HPEGL_VMAAS_LOCATION"),
-			constants.SpaceKey:    os.Getenv("HPEGL_VMAAS_SPACE_NAME"),
-		},
+		Host:               os.Getenv("HPEGL_VMAAS_API_URL"),
+		DefaultHeader:      headers,
+		DefaultQueryParams: queryParam,
 	}
 	apiClient := api_client.NewAPIClient(&cfg)
 	err := apiClient.SetMeta(nil, func(ctx *context.Context, meta interface{}) {
@@ -41,7 +46,7 @@ func getAPIClient() (*api_client.APIClient, api_client.Configuration) {
 				"user_secret":               os.Getenv("HPEGL_USER_SECRET"),
 				"api_vended_service_client": true,
 				"iam_token":                 os.Getenv("HPEGL_IAM_TOKEN"),
-				"iam_version":               utils.GetEnv("HPEGL_IAM_VERSION", "glcs"),
+				"iam_version":               iamVersion,
 			},
 		}
 		if utils.GetEnvBool(constants.MockIAMKey) {
diff --git a/pkg/client/client.go b/pkg/client/client.go
index 034fc4e6..a4317ea4 100644
--- a/pkg/client/client.go
+++ b/pkg/client/client.go
@@ -1,4 +1,4 @@
-// (C) Copyright 2021 Hewlett Packard Enterprise Development LP
+// (C) Copyright 2021-2024 Hewlett Packard Enterprise Development LP
 
 package client
 
@@ -53,14 +53,20 @@ func (i InitialiseClient) NewClient(r *schema.ResourceData) (interface{}, error)
 
 	// Create VMaas Client
 	client := new(Client)
+	iamVersion := r.Get("iam_version").(string)
+	queryParam := map[string]string{
+		constants.LocationKey: vmaasProviderSettings[constants.LOCATION].(string),
+	}
+	if iamVersion == constants.IamGlp {
+		queryParam[constants.WorkspaceKey] = vmaasProviderSettings[constants.SPACENAME].(string)
+	} else {
+		queryParam[constants.SpaceKey] = vmaasProviderSettings[constants.SPACENAME].(string)
+	}
 
 	cfg := api_client.Configuration{
-		Host:          vmaasProviderSettings[constants.APIURL].(string),
-		DefaultHeader: getHeaders(),
-		DefaultQueryParams: map[string]string{
-			constants.SpaceKey:    vmaasProviderSettings[constants.SPACENAME].(string),
-			constants.LocationKey: vmaasProviderSettings[constants.LOCATION].(string),
-		},
+		Host:               vmaasProviderSettings[constants.APIURL].(string),
+		DefaultHeader:      getHeaders(),
+		DefaultQueryParams: queryParam,
 	}
 	apiClient := api_client.NewAPIClient(&cfg)
 	utils.SetMeta(apiClient, r)
diff --git a/pkg/constants/constants.go b/pkg/constants/constants.go
index 08216ad0..38b05508 100644
--- a/pkg/constants/constants.go
+++ b/pkg/constants/constants.go
@@ -1,19 +1,22 @@
-// (C) Copyright 2021 Hewlett Packard Enterprise Development LP
+// (C) Copyright 2021-2024 Hewlett Packard Enterprise Development LP
 
 // Package constants - constants that are used in pkg/client and pkg/resources
 package constants
 
 const (
 	// ServiceName - the service mnemonic
-	ServiceName = "vmaas"
-	ServiceURL  = "https://iac-vmaas.us1.greenlake-hpe.com"
+	ServiceName        = "vmaas"
+	ServiceURL         = "https://iac-vmaas.us1.greenlake-hpe.com"
+	IamGlp      string = "glp"
+	IamGlcs     string = "glcs"
 
-	LOCATION    = "location"
-	SPACENAME   = "space_name"
-	APIURL      = "api_url"
-	INSECURE    = "allow_insecure"
-	SpaceKey    = "space"
-	LocationKey = "location"
+	LOCATION     = "location"
+	SPACENAME    = "space_name"
+	APIURL       = "api_url"
+	INSECURE     = "allow_insecure"
+	SpaceKey     = "space"
+	WorkspaceKey = "workspaceID"
+	LocationKey  = "location"
 
 	MockIAMKey     = "TF_ACC_MOCK_IAM"
 	CmpSubjectKey  = "TF_ACC_CMP_SUBJECT"
diff --git a/pkg/resources/registration.go b/pkg/resources/registration.go
index de99a2c3..d18840cf 100644
--- a/pkg/resources/registration.go
+++ b/pkg/resources/registration.go
@@ -1,4 +1,4 @@
-// (C) Copyright 2021-2022 Hewlett Packard Enterprise Development LP
+// (C) Copyright 2021-2024 Hewlett Packard Enterprise Development LP
 
 package resources
 
@@ -82,7 +82,7 @@ func (r Registration) ProviderSchemaEntry() *schema.Resource {
 				Type:        schema.TypeString,
 				Required:    true,
 				DefaultFunc: schema.EnvDefaultFunc("HPEGL_VMAAS_SPACE_NAME", ""),
-				Description: "IAM Space name of the GL VMaaS Service, can also be set with the HPEGL_VMAAS_SPACE_NAME env var.",
+				Description: "It can also be set with the HPEGL_VMAAS_SPACE_NAME env var. When `HPEGL_IAM_VERSION` is `glcs` it refers to IAM Space name of the GL VMaaS Service i.e., Default. When `HPEGL_IAM_VERSION` is `glp` it refers to GLP Workspace ID.",
 			},
 			constants.APIURL: {
 				Type:        schema.TypeString,