Step 19 of 250: API Gateway & Integration Layer (Rate Limiting, Circuit Breaker, Telemetry)

API Gateway & Universal Integration Layer

High-throughput API Gateway routing microservice requests across 10+ ITOS tenants. Features token-bucket rate limiting, circuit breaker fault tolerance, and sub-25ms response latency.

1 420 890

Total Requests Today

48 req/s

Current Throughput

24ms

p95 Gateway Latency

0.02%

4xx/5xx Error Rate

🌐 Registered API Gateway Routes

5 ENDPOINTS DISPATCHED

Method	Gateway Path	Target Microservice	Rate Limit	Circuit Breaker	Auth
POST	/api/v1/leads/capture	crm_automation	300 req/min	CLOSED	Public
POST	/api/v1/billing/checkout	telecom_billing	100 req/min	CLOSED	Bearer Token
POST	/api/v1/adapters/webhook/:adapterId	platform_adapters	1200 req/min	CLOSED	Public
POST	/api/v1/ai/consult	ai_consultant	60 req/min	CLOSED	Public
GET	/api/v1/telemetry/metrics	os_telemetry	600 req/min	CLOSED	Bearer Token

⚡ Live Gateway Dispatch & Rate Limiter Simulator

Dispatches request to `/api/v1/leads/capture`, evaluates token bucket, measures sub-25ms latency:

DISPATCH STATUS: 200 OK LATENCY: 7ms

{
  "status": 200,
  "success": true,
  "tenantId": "missillusia",
  "requestId": "req_1787546941792_mf4r",
  "executionTimeMs": 7,
  "data": {
    "clientName": "Enterprise Client",
    "leadScore": 98,
    "source": "ITOS Landing"
  }
}

← Back to Platform Adapters Step 21: Universal Event Model →