crypto alert bot market data api

Build a Crypto Alert Bot with a Market Data API

Implement a crypto alert bot using live REST and WebSocket market data, with production-ready retry and rate-limit handling.

Runnable example

Node.js baseline alert check

const res = await fetch(
  "https://api.realmarketapi.com/api/v1/price?ApiKey=YOUR_KEY&SymbolCode=BTCUSDT"
);
const data = await res.json();
if (data.ClosePrice >= 70000) {
  console.log("Trigger alert");
}

Production notes

Retry only idempotent reads and use jittered backoff.
Set per-symbol cooldown windows to avoid alert spam.
Log trigger reason, threshold, and observed price for audits.

Next steps

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