# API Testing Examples **pytest examples for FastAPI endpoints.** ```python # tests/api/test_users.py import pytest from fastapi.testclient import TestClient @pytest.mark.integration def test_create_user(test_token: str): response = client.post("/api/v1/users", json={"email": "test@example.com", "full_name": "Test", "password": "Pass123"}, headers={"Authorization": f"Bearer {test_token}"}) assert response.status_code == 201 assert "id" in response.json() @pytest.mark.integration def test_tenant_isolation(test_token: str): response = client.get(f"/api/v1/users/{other_tenant_user_id}", headers={"Authorization": f"Bearer {test_token}"}) assert response.status_code == 404 # Cannot access other tenant's data ``` Run with: `doppler run --config test -- pytest tests/api/ -v`