GET /depeg

$0.01 USDC Powered by Chainlink

Real-time USDC peg health monitoring via Chainlink’s USDC/USD price feed on Arbitrum. Reports deviation from the $1.00 peg, risk classification, and Arbitrum L2 sequencer status.

Why it matters: USDC is the margin currency for Hyperliquid perpetuals. A depeg event directly impacts the real value of all positions, margin, and PnL. This endpoint provides an early warning system for stablecoin risk.

Request

GET https://api.cerebruspulse.xyz/depeg

No parameters required.

Response

Field	Type	Description
`usdc.price_usd`	number	Current USDC price from Chainlink (8 decimal precision)
`usdc.deviation_bps`	number	Absolute deviation from $1.00 in basis points
`usdc.deviation_pct`	number	Deviation as percentage
`usdc.peg_status`	string	`HEALTHY`, `ELEVATED`, `WARNING`, or `CRITICAL`
`usdc.risk_level`	string	`low`, `medium`, `high`, or `critical`
`usdc.interpretation`	string	Human-readable risk assessment
`infrastructure.arbitrum_sequencer`	string	`up`, `down`, or `unknown`
`infrastructure.chainlink_feeds_active`	integer	Number of active Chainlink feeds
`meta`	object	Provider metadata

Peg Status Levels

Status	Deviation	Risk	Action
`HEALTHY`	< 10 bps	Low	Normal conditions
`ELEVATED`	10–50 bps	Medium	Monitor closely
`WARNING`	50–200 bps	High	Consider reducing USDC exposure
`CRITICAL`	> 200 bps	Critical	Major depeg event in progress

Example

GET /depeg

{
  "endpoint": "depeg",
  "timestamp_iso": "2026-03-08T01:51:11Z",
  "usdc": {
    "price_usd": 1.0000406,
    "deviation_bps": 0.41,
    "deviation_pct": 0.0041,
    "peg_status": "HEALTHY",
    "risk_level": "low",
    "interpretation": "USDC trading within 10bps of peg — normal conditions"
  },
  "infrastructure": {
    "arbitrum_sequencer": "up",
    "chainlink_feeds_active": 12
  },
  "meta": {
    "provider": "Cerebrus Pulse",
    "offering": "pulse_depeg",
    "execution_ms": 0.1,
    "chainlink_data_age_seconds": 42.5,
    "oracle_network": "arbitrum",
    "feed_address": "0x50834F3163758fcC1Df9973b6e91f0F0F0434aD3"
  }
}

Errors

Status	Reason
402	Payment required (standard x402 flow)
429	Rate limit exceeded
503	Chainlink data temporarily unavailable