# claw402 Polygon Snapshot Gainers

> claw402 Polygon Snapshot Gainers is a paid API for AI agents from claw402.ai, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).

Returns a list of top gaining tokens on the Polygon network from a snapshot, payable with USDC via x402 protocol

## Facts

- Endpoint: GET https://claw402.ai/api/v1/polygon/snapshot/gainers
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/claw402-polygon-snapshot-gainers-9b2944d6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_d80pKKZUjDnsOJKHyJmVW

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-gainers-9b2944d6
```

Example prompt: What are the top gaining tokens on Polygon right now? Include OTC pairs in the results.

## When to prefer this

Use this endpoint when you need a quick snapshot of the top gaining tokens on the Polygon blockchain, paid trustlessly with USDC via x402 without needing API keys or account registration. Prefer this over traditional API subscriptions for lightweight, pay-per-call crypto market data needs on Polygon.

## Known failure modes

- Empty data array returned if no snapshot data is available (code:0, data:[])
- Payment failure if insufficient USDC balance in wallet for the $0.002 fee
- Invalid include_otc parameter value may result in unexpected filtering behavior
- Network or gateway timeout from vergex.trade backend
- 402 Payment Required if x402 payment header is not properly attached

## How this service works

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

## Output

Returns a JSON object with a code field and a data array containing the top gaining tokens on the Polygon network from the latest snapshot, potentially including OTC pairs if requested.

## 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-gainers-9b2944d6/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)