# Webhooks | StableRadar

> Webhook alerts for stablecoin depegs.

Canonical: https://stableradar.com/tools/webhooks
Generated: 2026-10-26T08:33:58.522Z (live figures are a snapshot at build time; see the canonical page for current values)

# Webhooks SAMPLE · UI only — delivery needs backend
Signed (HMAC-SHA256), exponential backoff, idempotency keys.

Payload

POST https://your.app/hooks/stableradar X-StableRadar-Signature: t=…,v1=hmac_sha256 Idempotency-Key: evt_… {"type":"peg.alert","asset":"USDT","status":"ELEVATED","deviation_bps":-12.4}

Delivery policy

- Retries **8 × exponential (1s→1h)**

- Timeout **10 s**

- Signature **HMAC-SHA256**

- Ordering **per-asset sequence**

Last updated: 2026-10-26 · Sources: [CoinGecko](https://www.coingecko.com/), [DefiLlama](https://defillama.com/stablecoins), [Coinbase Exchange](https://exchange.coinbase.com/), [XRPL](https://xrpl.org/)