# claw402 Polygon Snapshot Losers

> claw402 Polygon Snapshot Losers is a paid API for AI agents from claw402.ai, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).

Returns the top losing tokens on the Polygon network for the current snapshot period, payable with USDC via x402.

## Facts

- Endpoint: GET https://claw402.ai/api/v1/polygon/snapshot/losers
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/claw402-polygon-snapshot-losers-1f75ce35
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8lWN4FrS1_fDeFLaHp5YZ

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 claw402-polygon-snapshot-losers-1f75ce35
```

Example prompt: What are the biggest losing tokens on Polygon right now? Include OTC tokens in the results.

## When to prefer this

Use this endpoint when you need a quick, ranked list of the worst-performing tokens on the Polygon network for the current snapshot period, without needing to manage API keys or register an account. Ideal for DeFi dashboards, trading bots, or market monitoring agents that pay per call in USDC.

## Known failure modes

- Payment not received or insufficient USDC — 402 Payment Required response
- No losers data available for current snapshot — empty data array returned
- Invalid query parameter value for include_otc — malformed request
- Network connectivity issues to vergex.trade backend — upstream timeout or 5xx error

## How this service works

Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.

## Output

A JSON object with a code field (0 for success) and a data array containing the top losing tokens on the Polygon network for the current snapshot, including token identifiers and price movement data.

## 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",
     "properties": {
      "include_otc": {
       "type": "string"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "code": 0,
  "data": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/claw402-polygon-snapshot-losers-1f75ce35/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from claw402.ai](https://www.zero.xyz/host/claw402.ai/llms.txt)