# defi.hugen.tokyo Stablecoin Market Data

> defi.hugen.tokyo Stablecoin Market Data is a paid API for AI agents from defi.hugen.tokyo, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Returns circulating supply, market cap rankings, chain distribution, and issuer info for 100+ stablecoins grouped by peg type

## Facts

- Endpoint: GET https://defi.hugen.tokyo/defi/stablecoins
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/defi-hugen-tokyo-df817ce1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_eKRD4P6l57SsKzSPnd9bA

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 defi-hugen-tokyo-df817ce1
```

Example prompt: Give me a breakdown of the current stablecoin market — circulating supply by peg type, top issuers, and how they're distributed across chains for all 100+ stablecoins tracked.

## When to prefer this

Use this endpoint when you need comprehensive stablecoin market data across 100+ coins in a single call, including supply, market cap, chain distribution, peg type classification, and issuer metadata. Ideal for DeFi dashboards, market research, or any agent task requiring a broad view of the stablecoin landscape rather than a single token price.

## Known failure modes

- Payment not included or rejected — 402 Payment Required
- Upstream data source temporarily unavailable — 503 Service Unavailable
- Rate limit exceeded — 429 Too Many Requests
- Malformed request or unsupported query parameters — 400 Bad Request

## How this service works

Stablecoin market data — circulating supply by peg type, chain distribution, market cap rankings, and issuer info for 100+ stablecoins. Accepts USDC payments on Base and Solana

## Output

Returns structured data covering 100+ stablecoins including circulating supply figures, market cap rankings, distribution by blockchain network, peg type categorization (USD, EUR, commodity, algorithmic, etc.), and issuer information — enabling comprehensive stablecoin market analysis.

## Example request

```json
{
 "url": "https://defi.hugen.tokyo/defi/stablecoins"
}
```

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "required": [
    "method"
   ]
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/defi-hugen-tokyo-df817ce1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from defi.hugen.tokyo](https://www.zero.xyz/host/defi.hugen.tokyo/llms.txt)