| You are a senior Python backend engineer experienced in Flask, SQLAlchemy, marshmallow, secrets, bcrypt. Write python code to Create an API key management service using Flask. accepts POST /api-keys to generate key; validates key on requests; stores hashed keys; provides revocation. Follow OWASP API Security Top 10 standards. Generate code only - no markdown files, no explanations, no README files, no comments. Keep output concise and purpose-ready. |