Overview

⚡ 0 req/min ⏱ 0ms p50 ✓ All Systems Operational

API Requests/min

—

↑ 0 total

P99 LATENCY

—

✓ healthy

Uptime

—

✓ running

Total Requests

—

0.0% errors

API requests/min, uptime, and error rate are live from Railway · Pipeline p99 latency from load test (docs/benchmarks.md) · View raw metrics

Pipeline Architecture

Live Data

AAPL NVDA MSFT

⌕

Latest Quote — AAPL

$207.94

↓ 0.27% · 14:32:01

Vol: 4,821 · VWAP: $207.72

Aggregations

VWAP (1min) $207.72

VWAP (5min) $207.48

Volume Z-Score +2.41

Momentum -0.84%

Feature Vector

vwap_5min $207.48

volume_zscore +2.41

price_momentum -0.84%

trade_frequency 89/min

bid_ask_spread $0.03

updated_at 14:32:01

News Sentiment

Price (last 60s)

Pipeline Status

GET /health example response · use GET /metrics for live API operational data (p99, uptime, request counts)

{
  "status": "healthy",
  "mode": "demo",
  "uptime_seconds": 3600,
  "checked_at": "2026-04-08T14:32:01.123Z",
  "note": "Running in demo mode — simulated data"
}

GET /quotes/{ticker} example (200)

{
  "ticker": "AAPL",
  "price": 207.94,
  "volume": 4821,
  "timestamp": "2026-04-23T14:32:01.123Z",
  "sequence_number": 8472910
}

Polygon.io

WebSocket: UP · Events: 14,832/sec

Kafka Broker

Lag: 42 msgs · 6 partitions

Faust Worker

Processing · 14,832 e/s

DynamoDB

Write p99: 18ms · Throttles: 0

S3 Storage

Last flush: 3m · 2.3 GB

Dead Letter Q

Depth: 0 · Retries: 0

Throughput (last 10 min)

Consumer Lag

Anomalies

Total Anomalies: 7 · High Severity: 3 · Most Active: AAPL (3)

All AAPL NVDA MSFT