# x402stock Exchange List

> x402stock Exchange List is a paid API for AI agents from agents.x402stock.xyz, paid per call via x402 or MPP, $0.01/call, status unknown (last checked 2026-10-20, last successful call 2026-09-01).

Returns the list of supported exchanges available on the x402stock market data platform

## Facts

- Endpoint: GET https://agents.x402stock.xyz/api/v1/exchanges?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402, MPP
- Status: unknown
- Last checked: 2026-10-20
- Last successful call: 2026-09-01
- Success rate: 100% of calls made through Zero
- Activations on Zero: 1
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402stock-exchange-list-3f4ee8a1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_S0RRUyCrMOGEhBuCD5m7N

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 x402stock-exchange-list-3f4ee8a1
```

Example prompt: What stock exchanges are supported by x402stock? I want to know which trading venues I can pull market data from before making other queries.

## When to prefer this

Use this endpoint when you need to discover or validate which exchanges are supported before making other x402stock data calls. It's the right starting point when building an agent that queries market data and needs to know the scope of exchange coverage. Prefer this over hardcoding exchange names.

## Known failure modes

- Payment failure if USDC balance is insufficient or x402 payment not accepted
- Network timeout if the proxied API is temporarily unavailable
- Empty or partial list if the catalog is being updated
- HTTP 402 if payment is not correctly handled by the agent

## How this service works

Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

## Output

A list of supported exchanges on the x402stock platform, likely including exchange names, identifiers/codes, and possibly metadata such as region or asset class coverage. Used to understand which trading venues are available for subsequent market data queries.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "source",
  "as_of",
  "count",
  "exchanges"
 ],
 "properties": {
  "as_of": {
   "type": "string"
  },
  "count": {
   "type": "number"
  },
  "source": {
   "type": "string",
   "const": "x402stock"
  },
  "exchanges": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "id",
     "type",
     "name",
     "acronym",
     "mic",
     "operating_mic",
     "participant_id",
     "url"
    ],
    "properties": {
     "id": {
      "type": "number"
     },
     "mic": {
      "anyOf": [
       {
        "type": "string"
       },
       {
        "type": "null"
       }
      ]
     },
     "url": {
      "anyOf": [
       {
        "type": "string"
       },
       {
        "type": "null"
       }
      ]
     },
     "name": {
      "type": "string"
     },
     "type": {
      "type": "string"
     },
     "acronym": {
      "anyOf": [
       {
        "type": "string"
       },
       {
        "type": "null"
       }
      ]
     },
     "operating_mic": {
      "anyOf": [
       {
        "type": "string"
       },
       {
        "type": "null"
       }
      ]
     },
     "participant_id": {
      "anyOf": [
       {
        "type": "string"
       },
       {
        "type": "null"
       }
      ]
     }
    },
    "additionalProperties": false
   }
  }
 },
 "additionalProperties": false
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402stock-exchange-list-3f4ee8a1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agents.x402stock.xyz](https://www.zero.xyz/host/agents.x402stock.xyz/llms.txt)