# MakerDAO Vault Status & DAI/USDS Stablecoin Monitor

> MakerDAO Vault Status & DAI/USDS Stablecoin Monitor is a paid API for AI agents from api.chainmarket-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-24).

Returns real-time MakerDAO DAI and USDS stablecoin data including prices, depeg percentages, circulating supply, and savings pool APYs for sDAI and sUSDS.

## Facts

- Endpoint: GET https://api.chainmarket-api.workers.dev/api/crypto/makerdao-vault-status?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-24
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/makerdao-vault-status-dai-usds-stablecoin-monitor-d768077b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_tprRTR7YGtE8me8J3RKiG

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability makerdao-vault-status-dai-usds-stablecoin-monitor-d768077b
```

Example prompt: What's the current DAI peg status — is it holding $1 — and what APY is sUSDS paying in the MakerDAO savings pool right now?

## When to prefer this

Choose this endpoint when you need real-time MakerDAO-specific stablecoin data — DAI and USDS peg status, circulating supply, or Sky Protocol savings yields — without requiring an API key or signup. Ideal for agents monitoring DeFi stablecoin health, alerting on depeg events, or comparing sDAI/sUSDS savings rates. Prefer this over generic crypto price APIs when you specifically need depeg delta, circulating supply changes, or MakerDAO savings pool APY and TVL in a single call.

## Known failure modes

- Upstream DeFiLlama API unavailable — stale or no data returned
- Network timeout from Cloudflare Worker — retry after brief wait
- Payment failure on x402 — call not charged, retry with sufficient USDC balance
- Rate limiting or temporary upstream data gap — checkedAt timestamp may be stale

## How this service works

Sky (MakerDAO) savings rates and peg: sUSDS and sDAI savings APY and TVL on Ethereum (DefiLlama yields), DAI and USDS USD price and depeg %, and circulating supply. Vault collateralization is not in these sources and is not reported.

## Output

A JSON object containing: DAI and USDS current USD prices, depeg percentage vs $1 peg, circulating supply in USD, prior-day circulating supply; plus an array of savings pools (sUSDS, sDAI) with APY percentages and TVL in USD; a data source URL and a timestamp of when the data was checked.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "dai": {
   "depegPct": -0.01,
   "priceUsd": 0.9999478423206437,
   "circulatingUsd": 4739609821.589144,
   "circulatingUsdPrevDay": 4745503546.638852
  },
  "usds": {
   "depegPct": 0.01,
   "priceUsd": 1.000089127551243,
   "circulatingUsd": 6879787971.664312,
   "circulatingUsdPrevDay": 6719789035.075291
  },
  "source": "https://yields.llama.fi/pools",
  "savings": [
   {
    "pool": "d8c4eff5-c8a9-46fc-a888-057c4c668e72",
    "apyPct": 3.8,
    "symbol": "SUSDS",
    "tvlUsd": 4898846151
   },
   {
    "pool": "c8a24fee-ec00-4f38-86c0-9f6daebc4225",
    "apyPct": 1.25,
    "symbol": "SDAI",
    "tvlUsd": 199384646
   }
  ],
  "checkedAt": "2026-10-23T09:35:56.516Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/makerdao-vault-status-dai-usds-stablecoin-monitor-d768077b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.chainmarket-api.workers.dev](https://www.zero.xyz/host/api.chainmarket-api.workers.dev/llms.txt)