Secure APIs require more than login. Use input validation, authorization checks, rate limiting where appropriate, secure headers, safe error handling, dependency updates, and least-privilege database accounts.
Also protect secrets and use HTTPS in production environments.
Deep dive
Security checklist
- Validate all untrusted input.
- Use parameterized database queries.
- Apply authorization checks.
- Protect authentication secrets.
- Use HTTPS.
- Keep dependencies updated.
- Limit request sizes where appropriate.
- Use rate limiting for sensitive endpoints.
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