# 2s Crypto Whale Trade Predictions

> 2s Crypto Whale Trade Predictions is a paid API for AI agents from 2s.io, paid per call via x402, $0.004998/call, status unknown (last checked 2026-09-14).

Fetches recent large cryptocurrency trades (whale activity) with optional USD notional filtering and result limits

## Facts

- Endpoint: GET https://2s.io/api/predict/whales
- Price: $0.004998/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/2s-crypto-whale-trade-predictions-86b1f255
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5up_04ifTqem8Zzn_OdCs

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 2s-crypto-whale-trade-predictions-86b1f255
```

Example prompt: Show me the top 10 whale crypto trades right now, only ones worth at least $500,000.

## When to prefer this

Use this endpoint when you need real-time or recent on-chain crypto whale trade data with flexible size filtering, especially when you want ground-truth transaction data without requiring API keys or subscriptions — paying only per call via USDC.

## Known failure modes

- Invalid limit value (must be 1-100) returns validation error
- Invalid minUsd value (must be non-negative) returns validation error
- Payment failure via x402 returns 402 Payment Required
- No trades matching the minUsd threshold returns empty result set
- Service unavailability returns 5xx error

## How this service works

Polymarket whale radar: the largest recent trades by USD notional across all markets, ranked. Optional minUsd floor and limit. Each entry includes wallet, trader name, market, side, outcome, size, price, USD value, and tx hash — for tracking smart-money / large positioning. Read-only from Polymarket's Data API.

## Output

A list of recent large cryptocurrency trades (whale transactions) filtered by minimum USD notional value and capped at the requested limit, including trade details such as asset, size, and dollar value.

## 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",
    "queryParams"
   ],
   "properties": {
    "type": {
     "const": "http"
    },
    "method": {
     "const": "GET"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "limit": {
       "type": "integer",
       "maximum": 100,
       "minimum": 1
      },
      "minUsd": {
       "type": "number",
       "minimum": 0,
       "description": "Only trades at/above this USD notional."
      }
     },
     "additionalProperties": false
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/2s-crypto-whale-trade-predictions-86b1f255/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 2s.io](https://www.zero.xyz/host/2s.io/llms.txt)