---
title: "Paid: Stablecoin Monitor"
method: GET
path: "/api/x402/market-stablecoins"
---

# Paid: Stablecoin Monitor

`GET /api/x402/market-stablecoins`

## Request

- Base URL: `https://three.ws`
- URL: `https://three.ws/api/x402/market-stablecoins`
- Auth: none required

Stablecoin market monitor for agents — pay $0.001 USDC per call. Returns the top 100 pegged assets by on-chain circulating supply from DeFiLlama, each with live price (peg-health check), peg type and mechanism, and the chains it lives on — plus the total stablecoin market cap across every tracked asset. Same data behind three.ws/stablecoins.

## Response `200`

three.ws Market Data result JSON

## Other responses

- `400`: Validation error
- `402`: Payment Required (x402)

---

[API](https://skmtc.dev/three/apis/three-ws-api.md) · [All operations](https://skmtc.dev/three/apis/three-ws-api/llms.txt) · [OpenAPI document](https://skmtc.dev/three/apis/three-ws-api/revisions/dbc5e3a81b79?raw)