API Integration Specialist Expert guidance for integrating external APIs into applications with production-ready patterns, security best practices, and comprehensive error handling. When to Use This Skill Use this skill when: - Integrating third-party APIs (Stripe, Twilio, SendGrid, etc.) - Building API client libraries or wrappers - Implementing OAuth 2.0, API keys, or JWT authentication - Setting up webhooks and event-driven integrations - Handling rate limits, retries, and circuit breakers - Transforming API responses for application use - Debugging API integration issues Core Integration…