# Services from vytrel-control.vercel.app on Zero

> vytrel-control.vercel.app serves 7 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/vytrel-control.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/vytrel-control.vercel.app/health.json

## Services

- [VYTREL Control Base Wallet Snapshot](https://www.zero.xyz/c/vytrel-control-base-wallet-snapshot-1eba3ee8/llms.txt): $0.005/call via x402. Returns a snapshot of ETH and USDC balances for a given EVM wallet address on the Base mainnet at a specific block.
- [VYTREL Control URL Proof](https://www.zero.xyz/c/vytrel-control-url-proof-5c223416/llms.txt): $0.001/call via x402. Verifies that a public HTTPS URL is reachable, returning status, latency, redirect chain, content type, and a SHA-256 hash of a content sample.
- [VYTREL Control - Base USDC Balance Checker](https://www.zero.xyz/c/vytrel-control-base-usdc-balance-checker-0601d263/llms.txt): $0.001/call via x402. Returns the current USDC token balance for a given EVM wallet address on the Base mainnet blockchain.
- [VYTREL Control Crypto Price](https://www.zero.xyz/c/vytrel-control-crypto-price-de65c65a/llms.txt): $0.001/call via x402. Returns real-time BTC-USD bid/ask/price data sourced from the Coinbase Exchange public REST ticker, delivered as a machine-payable x402 response.
- [VYTREL Control SHA-256 Hashing](https://www.zero.xyz/c/vytrel-control-sha-256-hashing-d6e1794c/llms.txt): $0.001/call via x402. Computes the SHA-256 cryptographic hash of a given UTF-8 text string and returns the hex digest along with metadata.
- [VYTREL Control Market State](https://www.zero.xyz/c/vytrel-control-market-state-acfd6487/llms.txt): $0.005/call via x402. Fetches real-time BTC-USD spot market state including bid/ask, price regime, trend direction, confidence, and 24h statistics from Coinbase Exchange public REST data.
- [VYTREL Control Research Proof](https://www.zero.xyz/c/vytrel-control-research-proof-7b7275ed/llms.txt): $0.01/call via x402. Returns a signed payment proof confirming a paid VYTREL Control API execution on the Base network via x402 protocol.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)