# StableIntel Stablecoin List

> StableIntel Stablecoin List is a paid API for AI agents from payai.agentstools.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).

Returns a catalog of stablecoins ranked by market cap with symbol, name, peg type, collateral mechanism, circulating supply, price, and chain presence, optionally filtered by collateral type or chain.

## Facts

- Endpoint: GET https://payai.agentstools.dev/stablecoin/list
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stableintel-stablecoin-list-0165dedc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0xgch3gi6QU7vEeG7qMIC

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 stableintel-stablecoin-list-0165dedc
```

Example prompt: Can you pull the top 20 fiat-backed stablecoins ranked by circulating supply, showing me their symbols, DefiLlama IDs, prices, and which chains they're on?

## When to prefer this

Use this endpoint as the first step whenever you need to discover or enumerate stablecoins, resolve a stablecoin symbol to its DefiLlama id for use in other stablecoin routes, or filter the stablecoin universe by chain or collateral mechanism. Prefer this over general crypto market APIs when you specifically need stablecoin-focused data including peg type and collateral details sourced from DefiLlama.

## Known failure modes

- Invalid pegMechanism enum value returns a validation error
- Unknown or misspelled chain name may return an empty list rather than an error
- Limit outside 1-500 range rejected with schema validation error
- DefiLlama feed temporarily unavailable causes upstream timeout
- Rate limiting or payment failure (x402) blocks the request

## How this service works

Catalog of covered stablecoins ranked by market cap, from the DefiLlama stablecoins feed. Each row carries symbol, name, DefiLlama id, peg type, collateral mechanism, total circulating supply, current price and the chains it lives on. Optionally filter by collateral mechanism or by chain. The cheap first step that resolves a symbol to the id the other routes use.

## Output

A ranked list of stablecoin records each containing: symbol, name, DefiLlama id, peg type, collateral mechanism (fiat-backed / crypto-backed / algorithmic), total circulating supply, current price, and an array of chains the stablecoin is deployed on. Results are ordered by circulating supply descending and can be limited or filtered by chain or peg mechanism.

## 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",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "chain": {
       "type": "string",
       "description": "Filter to stablecoins present on this chain, such as Base"
      },
      "limit": {
       "type": "integer",
       "maximum": 500,
       "minimum": 1,
       "description": "Max rows to return (ranked by circulating)"
      },
      "pegMechanism": {
       "enum": [
        "fiat-backed",
        "crypto-backed",
        "algorithmic"
       ],
       "type": "string",
       "description": "Filter by collateral mechanism"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stableintel-stablecoin-list-0165dedc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from payai.agentstools.dev](https://www.zero.xyz/host/payai.agentstools.dev/llms.txt)