# x402 Trading Hub - Contract Verify > x402 Trading Hub - Contract Verify is a paid API for AI agents from trading-hub-v4-omega.vercel.app, paid per call via x402, $0.12/call, status unknown (last checked 2026-11-03). Verifies on-chain smart contract details or trading-related contract data for market intelligence purposes ## Facts - Endpoint: POST https://trading-hub-v4-omega.vercel.app/api/contract/verify?utm_source=zero.xyz - Price: $0.12/call - Payment: x402 - Status: unknown - Last checked: 2026-11-03 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/x402-trading-hub-contract-verify-91089b14 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_eKZ7_ic7va1h_Gli0IXjJ 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-contract-verify-91089b14 -d '' ``` Example prompt: Can you verify this smart contract address 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 on Ethereum to confirm it's legitimate before I interact with it? ## When to prefer this Use this endpoint when you need to programmatically verify the authenticity and on-chain status of a smart contract before trading, investing, or interacting with it. Prefer this over manual block explorer lookups when integrating contract verification into automated trading workflows or agent-driven DeFi interactions. ## Known failure modes - Invalid or malformed contract address returns validation error - Contract not found on specified network returns not-found response - Unsupported blockchain network returns error - Network timeout or RPC node unavailability causes request failure - Unverified contract returns negative verification status without additional metadata ## How this service works 67 paid endpoints for on-chain, forex, stocks & market intelligence ## Output Returns a verification status indicating whether the specified contract is verified, along with associated contract metadata such as name, network, audit status, and any relevant validity signals from on-chain data. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-trading-hub-contract-verify-91089b14/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)