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Rahul Agarwal

Founder | Agentic AI...ย โ€ขย 5h

AI systems will fail if these 2 layers are mixed. I've explained step by step below. 1. ๐—”๐—œ ๐—š๐—ฎ๐˜๐—ฒ๐˜„๐—ฎ๐˜† How modern AI systems manage intelligence safely. Step-by-step: โ€ข ๐—œ๐—ป๐—ฐ๐—ผ๐—บ๐—ถ๐—ป๐—ด ๐—ฃ๐—ฟ๐—ผ๐—บ๐—ฝ๐˜: User sends a prompt. โ€ข ๐—–๐—ฎ๐—ฐ๐—ต๐—ฒ ๐—–๐—ต๐—ฒ๐—ฐ๐—ธ: Return saved response if available (save cost). โ€ข ๐—ฆ๐—ฎ๐—ณ๐—ฒ๐˜๐˜† ๐—™๐—ถ๐—น๐˜๐—ฒ๐—ฟ๐˜€: Block harmful or policy-violating prompts. โ€ข ๐—ฆ๐—ฒ๐—ป๐˜€๐—ถ๐˜๐—ถ๐˜ƒ๐—ฒ ๐——๐—ฎ๐˜๐—ฎ ๐— ๐—ฎ๐˜€๐—ธ๐—ถ๐—ป๐—ด: Remove PII before model call. โ€ข ๐—–๐—ผ๐—ป๐˜๐—ฒ๐˜…๐˜ ๐—œ๐—ป๐—ท๐—ฒ๐—ฐ๐˜๐—ถ๐—ผ๐—ป: Add chat history, docs, or system rules. โ€ข ๐— ๐—ผ๐—ฑ๐—ฒ๐—น ๐—ฅ๐—ผ๐˜‚๐˜๐—ถ๐—ป๐—ด: Choose the best model (cheap, fast, powerful). โ€ข ๐—•๐˜‚๐—ฑ๐—ด๐—ฒ๐˜ ๐—–๐—ผ๐—ป๐˜๐—ฟ๐—ผ๐—น: Track tokens and enforce cost limits. โ€ข ๐—ฃ๐—ฟ๐—ผ๐—บ๐—ฝ๐˜ ๐—ข๐—ฝ๐˜๐—ถ๐—บ๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป: Improve structure before execution. โ€ข ๐—ฅ๐—ฒ๐˜๐—ฟ๐˜† ๐—›๐—ฎ๐—ป๐—ฑ๐—น๐—ถ๐—ป๐—ด: Switch models if one fails. โ€ข ๐—ข๐˜‚๐˜๐—ฝ๐˜‚๐˜ ๐— ๐—ผ๐—ฑ๐—ฒ๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป: Validate AI response before delivery. โ€ข ๐—จ๐˜€๐—ฎ๐—ด๐—ฒ ๐—Ÿ๐—ผ๐—ด๐—ด๐—ถ๐—ป๐—ด: Track cost, latency, performance analytics. AI Gateway keeps AI systems reliable, safe, and cost-efficient. Without it, AI becomes expensive, unpredictable, and risky. ________________ 2. ๐—”๐—ฃ๐—œ ๐—š๐—ฎ๐˜๐—ฒ๐˜„๐—ฎ๐˜† How traditional backend systems manage traffic. Step-by-step: โ€ข ๐—œ๐—ป๐—ฐ๐—ผ๐—บ๐—ถ๐—ป๐—ด ๐—ฅ๐—ฒ๐—พ๐˜‚๐—ฒ๐˜€๐˜: Client app sends an API call. โ€ข ๐—”๐˜‚๐˜๐—ต๐—ฒ๐—ป๐˜๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป: Validate JWT, OAuth, API keys. โ€ข ๐—™๐—ถ๐—ฟ๐—ฒ๐˜„๐—ฎ๐—น๐—น ๐—™๐—ถ๐—น๐˜๐—ฒ๐—ฟ๐—ถ๐—ป๐—ด: Block malicious IPs or bad traffic. โ€ข ๐—ฅ๐—ฎ๐˜๐—ฒ ๐—Ÿ๐—ถ๐—บ๐—ถ๐˜๐—ถ๐—ป๐—ด: Prevent request abuse. โ€ข ๐—ค๐˜‚๐—ผ๐˜๐—ฎ ๐—˜๐—ป๐—ณ๐—ผ๐—ฟ๐—ฐ๐—ฒ๐—บ๐—ฒ๐—ป๐˜: Control usage per user or plan. โ€ข ๐—ฅ๐—ผ๐˜‚๐˜๐—ถ๐—ป๐—ด: Forward request to the correct backend service. โ€ข ๐—ฅ๐—ฒ๐—พ๐˜‚๐—ฒ๐˜€๐˜ ๐—ง๐—ฟ๐—ฎ๐—ป๐˜€๐—ณ๐—ผ๐—ฟ๐—บ๐—ฎ๐˜๐—ถ๐—ผ๐—ป: Modify headers or payload format. โ€ข ๐—Ÿ๐—ผ๐—ด๐—ด๐—ถ๐—ป๐—ด & ๐— ๐—ผ๐—ป๐—ถ๐˜๐—ผ๐—ฟ๐—ถ๐—ป๐—ด: Track performance and errors. โ€ข ๐—ฅ๐—ฒ๐˜€๐—ฝ๐—ผ๐—ป๐˜€๐—ฒ ๐—ฅ๐—ฒ๐˜๐˜‚๐—ฟ๐—ป: Send backend result back to user. API Gateway keeps backend systems secure and scalable. Without it, microservices become chaotic and unsafe. ๐—ช๐—ต๐˜† ๐— ๐—ผ๐—ฑ๐—ฒ๐—ฟ๐—ป ๐—”๐—œ ๐—”๐—ฟ๐—ฐ๐—ต๐—ถ๐˜๐—ฒ๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ ๐— ๐—ฎ๐˜๐˜๐—ฒ๐—ฟ๐˜€? โ€ข APIs alone donโ€™t make AI systems safe. โ€ข Models alone donโ€™t make AI systems scalable. ๐—”๐—ฃ๐—œ ๐—š๐—ฎ๐˜๐—ฒ๐˜„๐—ฎ๐˜†: Infrastructure security | Service routing | Built for REST API's ๐—”๐—œ ๐—š๐—ฎ๐˜๐—ฒ๐˜„๐—ฎ๐˜†: Prompt security | Model routing | LLM orchestration | Built for context & RAG The best AI products use: โ€ข ๐—”๐—ฃ๐—œ ๐—š๐—ฎ๐˜๐—ฒ๐˜„๐—ฎ๐˜† โ†’ for backend stability โ€ข ๐—”๐—œ ๐—š๐—ฎ๐˜๐—ฒ๐˜„๐—ฎ๐˜† โ†’ for AI intelligence control People underestimate but most serious AI systems need both. โœ… Repost for others so they can understand this and don't miss it.

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