# x402 Trading Hub - Whale Move Alerts > x402 Trading Hub - Whale Move Alerts is a paid API for AI agents from trading-hub-v4-omega.vercel.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-11-07). Detects and returns large on-chain wallet movements (whale transactions) for a given asset or address ## Facts - Endpoint: POST https://trading-hub-v4-omega.vercel.app/api/alert/whale-moves?utm_source=zero.xyz - Price: $0.2/call - Payment: x402 - Status: unknown - Last checked: 2026-11-07 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/x402-trading-hub-whale-move-alerts-b71e5a76 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0GN5DoNHLeh2SaUS9v6lh 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 x402-trading-hub-whale-move-alerts-b71e5a76 -d '' ``` Example prompt: Alert me to any whale moves on Ethereum where wallet transfers exceed $500,000 worth of ETH — I want to know who's moving big money on-chain right now. ## When to prefer this Use this endpoint when you need real-time or recent large on-chain transaction data to detect whale accumulation, distribution, or fund transfers across blockchains. Prefer this over general market data APIs when you specifically need wallet-level, transaction-level on-chain intelligence rather than price or volume aggregates. ## Known failure modes - Invalid or unsupported token address returns a 400 error - Unsupported blockchain network returns an error or empty result - No whale moves found in the requested timeframe returns an empty array - Rate limiting or payment failure returns a 402 or 429 error - Malformed POST body results in a validation error ## How this service works 67 paid endpoints for on-chain, forex, stocks & market intelligence ## Output Returns a list of large on-chain transactions matching the specified criteria, including sender/receiver wallet addresses, token or asset moved, transaction amount in both native token and USD equivalent, timestamp, blockchain network, and transaction hash for verification. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-trading-hub-whale-move-alerts-b71e5a76/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from trading-hub-v4-omega.vercel.app](https://www.zero.xyz/host/trading-hub-v4-omega.vercel.app/llms.txt)