diff --git a/components/ambient-sdk/go-sdk/client/client.go b/components/ambient-sdk/go-sdk/client/client.go
index 2c2d2875d..e4783b318 100644
--- a/components/ambient-sdk/go-sdk/client/client.go
+++ b/components/ambient-sdk/go-sdk/client/client.go
@@ -64,9 +64,6 @@ func NewClient(baseURL, token, project string, opts ...ClientOption) (*Client, e
 		return nil, fmt.Errorf("placeholder token is not allowed")
 	}
 
-	if project == "" {
-		return nil, fmt.Errorf("project is required")
-	}
 
 	if len(project) > 63 {
 		return nil, fmt.Errorf("project name cannot exceed 63 characters")
@@ -108,14 +105,15 @@ func NewClientFromEnv(opts ...ClientOption) (*Client, error) {
 	}
 
 	project := os.Getenv("AMBIENT_PROJECT")
-	if project == "" {
-		return nil, fmt.Errorf("AMBIENT_PROJECT environment variable is required")
-	}
 
 	return NewClient(baseURL, token, project, opts...)
 }
 
 func (c *Client) do(ctx context.Context, method, path string, body []byte, expectedStatus int, result interface{}) error {
+	return c.doForProject(ctx, method, path, body, expectedStatus, result, c.project)
+}
+
+func (c *Client) doForProject(ctx context.Context, method, path string, body []byte, expectedStatus int, result interface{}, project string) error {
 	url := c.baseURL + "/api/ambient-api-server/v1" + path
 
 	req, err := http.NewRequestWithContext(ctx, method, url, nil)
@@ -130,7 +128,9 @@ func (c *Client) do(ctx context.Context, method, path string, body []byte, expec
 	}
 
 	req.Header.Set("Authorization", "Bearer "+c.token)
-	req.Header.Set("X-Ambient-Project", c.project)
+	if project != "" {
+		req.Header.Set("X-Ambient-Project", project)
+	}
 	req.Header.Set("User-Agent", c.userAgent)
 	req.Header.Set("Accept", "application/json")
 
@@ -179,6 +179,10 @@ func (c *Client) do(ctx context.Context, method, path string, body []byte, expec
 }
 
 func (c *Client) doWithQuery(ctx context.Context, method, path string, body []byte, expectedStatus int, result interface{}, opts *types.ListOptions) error {
+	return c.doWithQueryForProject(ctx, method, path, body, expectedStatus, result, opts, c.project)
+}
+
+func (c *Client) doWithQueryForProject(ctx context.Context, method, path string, body []byte, expectedStatus int, result interface{}, opts *types.ListOptions, project string) error {
 	queryPath := path
 	if opts != nil {
 		params := url.Values{}
@@ -202,7 +206,7 @@ func (c *Client) doWithQuery(ctx context.Context, method, path string, body []by
 		}
 	}
 
-	return c.do(ctx, method, queryPath, body, expectedStatus, result)
+	return c.doForProject(ctx, method, queryPath, body, expectedStatus, result, project)
 }
 
 func validateURL(rawURL string) error {
diff --git a/components/ambient-sdk/go-sdk/client/project_settings_api.go b/components/ambient-sdk/go-sdk/client/project_settings_api.go
index fcd7a3bd3..0c2399f78 100644
--- a/components/ambient-sdk/go-sdk/client/project_settings_api.go
+++ b/components/ambient-sdk/go-sdk/client/project_settings_api.go
@@ -24,12 +24,16 @@ func (c *Client) ProjectSettings() *ProjectSettingsAPI {
 }
 
 func (a *ProjectSettingsAPI) Create(ctx context.Context, resource *types.ProjectSettings) (*types.ProjectSettings, error) {
+	return a.CreateForProject(ctx, resource, "")
+}
+
+func (a *ProjectSettingsAPI) CreateForProject(ctx context.Context, resource *types.ProjectSettings, project string) (*types.ProjectSettings, error) {
 	body, err := json.Marshal(resource)
 	if err != nil {
 		return nil, fmt.Errorf("marshal project_settings: %w", err)
 	}
 	var result types.ProjectSettings
-	if err := a.client.do(ctx, http.MethodPost, "/project_settings", body, http.StatusCreated, &result); err != nil {
+	if err := a.client.doForProject(ctx, http.MethodPost, "/project_settings", body, http.StatusCreated, &result, project); err != nil {
 		return nil, err
 	}
 	return &result, nil
@@ -44,8 +48,12 @@ func (a *ProjectSettingsAPI) Get(ctx context.Context, id string) (*types.Project
 }
 
 func (a *ProjectSettingsAPI) List(ctx context.Context, opts *types.ListOptions) (*types.ProjectSettingsList, error) {
+	return a.ListForProject(ctx, opts, "")
+}
+
+func (a *ProjectSettingsAPI) ListForProject(ctx context.Context, opts *types.ListOptions, project string) (*types.ProjectSettingsList, error) {
 	var result types.ProjectSettingsList
-	if err := a.client.doWithQuery(ctx, http.MethodGet, "/project_settings", nil, http.StatusOK, &result, opts); err != nil {
+	if err := a.client.doWithQueryForProject(ctx, http.MethodGet, "/project_settings", nil, http.StatusOK, &result, opts, project); err != nil {
 		return nil, err
 	}
 	return &result, nil
diff --git a/components/ambient-sdk/go-sdk/client/session_api.go b/components/ambient-sdk/go-sdk/client/session_api.go
index 8aa5f83b4..06150bd27 100644
--- a/components/ambient-sdk/go-sdk/client/session_api.go
+++ b/components/ambient-sdk/go-sdk/client/session_api.go
@@ -24,12 +24,16 @@ func (c *Client) Sessions() *SessionAPI {
 }
 
 func (a *SessionAPI) Create(ctx context.Context, resource *types.Session) (*types.Session, error) {
+	return a.CreateForProject(ctx, resource, "")
+}
+
+func (a *SessionAPI) CreateForProject(ctx context.Context, resource *types.Session, project string) (*types.Session, error) {
 	body, err := json.Marshal(resource)
 	if err != nil {
 		return nil, fmt.Errorf("marshal session: %w", err)
 	}
 	var result types.Session
-	if err := a.client.do(ctx, http.MethodPost, "/sessions", body, http.StatusCreated, &result); err != nil {
+	if err := a.client.doForProject(ctx, http.MethodPost, "/sessions", body, http.StatusCreated, &result, project); err != nil {
 		return nil, err
 	}
 	return &result, nil
@@ -44,8 +48,12 @@ func (a *SessionAPI) Get(ctx context.Context, id string) (*types.Session, error)
 }
 
 func (a *SessionAPI) List(ctx context.Context, opts *types.ListOptions) (*types.SessionList, error) {
+	return a.ListForProject(ctx, opts, "")
+}
+
+func (a *SessionAPI) ListForProject(ctx context.Context, opts *types.ListOptions, project string) (*types.SessionList, error) {
 	var result types.SessionList
-	if err := a.client.doWithQuery(ctx, http.MethodGet, "/sessions", nil, http.StatusOK, &result, opts); err != nil {
+	if err := a.client.doWithQueryForProject(ctx, http.MethodGet, "/sessions", nil, http.StatusOK, &result, opts, project); err != nil {
 		return nil, err
 	}
 	return &result, nil
diff --git a/components/ambient-sdk/go-sdk/examples/main.go b/components/ambient-sdk/go-sdk/examples/main.go
index b1c858397..581785cbe 100644
--- a/components/ambient-sdk/go-sdk/examples/main.go
+++ b/components/ambient-sdk/go-sdk/examples/main.go
@@ -33,6 +33,7 @@ func main() {
 	}
 	if projectName == "" {
 		projectName = "sdk-demo"
+		fmt.Println("Note: No AMBIENT_PROJECT set, using flexible project handling with project:", projectName)
 	}
 
 	runFullLifecycle(ctx, c, projectName)