diff --git a/CHANGELOG.md b/CHANGELOG.md
index b24045b..3eac3cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v0.6.1
+REFACTOR:
+- Validate success responses by checking for HTTP status codes in the 2xx range
+
 ## v0.6.0
 
 FEATURES:
diff --git a/client/buildingblock.go b/client/buildingblock.go
index c9c0358..41c4252 100644
--- a/client/buildingblock.go
+++ b/client/buildingblock.go
@@ -103,7 +103,7 @@ func (c *MeshStackProviderClient) ReadBuildingBlock(uuid string) (*MeshBuildingB
 		return nil, nil
 	}
 
-	if res.StatusCode != 200 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
@@ -141,7 +141,7 @@ func (c *MeshStackProviderClient) CreateBuildingBlock(bb *MeshBuildingBlockCreat
 		return nil, err
 	}
 
-	if res.StatusCode != 201 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
diff --git a/client/project.go b/client/project.go
index eca75ca..683b2ee 100644
--- a/client/project.go
+++ b/client/project.go
@@ -71,7 +71,7 @@ func (c *MeshStackProviderClient) ReadProject(workspace string, name string) (*M
 		return nil, nil
 	}
 
-	if res.StatusCode != 200 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
@@ -119,7 +119,7 @@ func (c *MeshStackProviderClient) ReadProjects(workspaceIdentifier string, payme
 			return nil, fmt.Errorf("failed to read response body: %w", err)
 		}
 
-		if res.StatusCode != http.StatusOK {
+		if !isSuccessHTTPStatus(res) {
 			return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 		}
 
@@ -178,7 +178,7 @@ func (c *MeshStackProviderClient) CreateProject(project *MeshProjectCreate) (*Me
 		return nil, err
 	}
 
-	if res.StatusCode != 201 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
@@ -219,7 +219,7 @@ func (c *MeshStackProviderClient) UpdateProject(project *MeshProjectCreate) (*Me
 		return nil, err
 	}
 
-	if res.StatusCode != 200 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
diff --git a/client/project_binding.go b/client/project_binding.go
index fdb71e5..f704efc 100644
--- a/client/project_binding.go
+++ b/client/project_binding.go
@@ -70,7 +70,7 @@ func (c *MeshStackProviderClient) readProjectBinding(name string, contentType st
 		return nil, nil
 	}
 
-	if res.StatusCode != 200 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
@@ -120,7 +120,7 @@ func (c *MeshStackProviderClient) createProjectBinding(binding *MeshProjectBindi
 		return nil, err
 	}
 
-	if res.StatusCode != 200 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
diff --git a/client/status_code_checker.go b/client/status_code_checker.go
new file mode 100644
index 0000000..bd6f24b
--- /dev/null
+++ b/client/status_code_checker.go
@@ -0,0 +1,13 @@
+package client
+
+import (
+	"net/http"
+)
+
+func isSuccessHTTPStatus(resp *http.Response) bool {
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return false
+	}
+
+	return true
+}
diff --git a/client/tag_definition.go b/client/tag_definition.go
index 1855b26..67ff98d 100644
--- a/client/tag_definition.go
+++ b/client/tag_definition.go
@@ -107,7 +107,7 @@ func (c *MeshStackProviderClient) ReadTagDefinitions() (*[]MeshTagDefinition, er
 			return nil, fmt.Errorf("failed to read response body: %w", err)
 		}
 
-		if res.StatusCode != http.StatusOK {
+		if !isSuccessHTTPStatus(res) {
 			return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 		}
 
@@ -156,7 +156,7 @@ func (c *MeshStackProviderClient) ReadTagDefinition(name string) (*MeshTagDefini
 	}
 	defer resp.Body.Close()
 
-	if resp.StatusCode != http.StatusOK {
+	if !isSuccessHTTPStatus(resp) {
 		return nil, fmt.Errorf("failed to read tag definition: %s", resp.Status)
 	}
 
@@ -191,7 +191,7 @@ func (c *MeshStackProviderClient) CreateTagDefinition(tagDefinition *MeshTagDefi
 	}
 	defer resp.Body.Close()
 
-	if resp.StatusCode != http.StatusCreated {
+	if !isSuccessHTTPStatus(resp) {
 		return nil, fmt.Errorf("failed to create tag definition: %s", resp.Status)
 	}
 
@@ -224,7 +224,7 @@ func (c *MeshStackProviderClient) UpdateTagDefinition(tagDefinition *MeshTagDefi
 	}
 	defer resp.Body.Close()
 
-	if resp.StatusCode != http.StatusOK {
+	if !isSuccessHTTPStatus(resp) {
 		return nil, fmt.Errorf("failed to update tag definition: %s", resp.Status)
 	}
 
diff --git a/client/tenant.go b/client/tenant.go
index b83c5e6..d10556d 100644
--- a/client/tenant.go
+++ b/client/tenant.go
@@ -83,7 +83,7 @@ func (c *MeshStackProviderClient) ReadTenant(workspace string, project string, p
 		return nil, nil
 	}
 
-	if res.StatusCode != 200 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}
 
@@ -121,7 +121,7 @@ func (c *MeshStackProviderClient) CreateTenant(tenant *MeshTenantCreate) (*MeshT
 		return nil, err
 	}
 
-	if res.StatusCode != 201 {
+	if !isSuccessHTTPStatus(res) {
 		return nil, fmt.Errorf("unexpected status code: %d, %s", res.StatusCode, data)
 	}