api design

• Fallback Chains: What the Agent Does When the Tool Is Down
• Concurrency Bulkheads: One Slow Tool Must Not Starve the Rest
• Circuit Breakers: Making Agent Tool Calls Safe to Skip
• Backpressure and Rate Limits: Making Agent Tool Calls Safe to Fan Out
• Tool Call Timeouts and Cancellation: Making Agent Tool Calls Safe to Abandon
• Tool Response Design: Giving Agents Results They Can Actually Use
• Write Serialization: Making Parallel Agent Tool Calls Safe to Run Together
• Idempotency Keys: Making Agent Tool Calls Safe to Retry
• Tool Schemas Are Prompts: Designing Tools AI Agents Can't Misuse
• Designing Load Shedding and Backpressure for APIs
• Designing Retry Strategies with Backoff and Jitter
• Optimistic Concurrency Control for APIs and Databases
• Practical API Rate Limiting with Token Buckets
• Designing Cursor Pagination APIs That Stay Correct Under Load
• Implementing Idempotency Keys in APIs to Prevent Duplicate Actions
• Backend For Frontend (BFF) Pattern: Crafting Custom APIs for Modern Web Applications