# Services from vmi3089643.contaboserver.net on Zero > vmi3089643.contaboserver.net serves 22 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/vmi3089643.contaboserver.net Live health (JSON, refreshed every minute): https://www.zero.xyz/host/vmi3089643.contaboserver.net/health.json ## Services - [Email Address Verification API](https://www.zero.xyz/c/email-address-verification-api-38584aec/llms.txt): $0.002/call via x402. Verifies an email address by checking syntax validity, domain existence, MX records, disposable provider status, free provider detection, and returning a deliverability score - [crypto-technicals-x402](https://www.zero.xyz/c/crypto-technicals-x402-7add569d/llms.txt): $0.01/call via x402. Returns daily trend-following technical analysis signals (Donchian levels, ATR stops, EMA/SMA regime, entry/exit signals) for up to 25 crypto USDT pairs, paid per-call via x402/USDC on Base. - [crypto-technicals-x402](https://www.zero.xyz/c/crypto-technicals-x402-97bbfe98/llms.txt): $0.002/call via x402. Returns daily trend regime, Donchian channel levels, ATR-based stop distances, and entry/exit signals for a given Binance spot trading pair - [crypto-technicals-x402](https://www.zero.xyz/c/crypto-technicals-x402-52e3fc29/llms.txt): $0.003/call via x402. Returns daily trend regime, Donchian channel levels, ATR-based stops, and entry/exit signals for a Binance USDT spot pair, computed from live Binance klines using a trend-following bot's logic. - [Crypto Technicals x402 – Market Commentary](https://www.zero.xyz/c/crypto-technicals-x402-market-commentary-85b87128/llms.txt): $0.01/call via x402. Returns AI-ready market commentary with trend regime, Donchian levels, ATR stops, and backtest signals for a given crypto symbol, computed from live Binance spot klines via x402 pay-per-call. - [Crypto Correlation Matrix — crypto-technicals-x402](https://www.zero.xyz/c/crypto-correlation-matrix-crypto-technicals-x402-fbaca2b1/llms.txt): $0.01/call via x402. Returns a pairwise price-return correlation matrix for a set of crypto symbols over a specified lookback window, computed from Binance spot klines. - [crypto-technicals-x402](https://www.zero.xyz/c/crypto-technicals-x402-09d8a399/llms.txt): $0.002/call via x402. Returns daily trend regime, Donchian channel levels, ATR-based stops, trading signals, and backtest results for a given crypto symbol using live Binance spot kline data. - [crypto-technicals-x402](https://www.zero.xyz/c/crypto-technicals-x402-11959587/llms.txt): $0.002/call via x402. Returns daily crypto technical analysis including trend regime, Donchian channel levels, ATR-based stops, volatility metrics, and backtest signals for a given Binance USDT spot pair. - [crypto-technicals-x402](https://www.zero.xyz/c/crypto-technicals-x402-24012b5c/llms.txt): $0.005/call via x402. Returns daily trend regime, Donchian channel levels, ATR-based stops, trade signals, and backtest results for a given crypto trading pair symbol. - [crypto-technicals-x402 Portfolio Backtest](https://www.zero.xyz/c/crypto-technicals-x402-portfolio-backtest-f6d1f4c1/llms.txt): $0.03/call via x402. Runs a configurable trend-following portfolio backtest on a universe of crypto symbols using Donchian levels, ATR stops, and regime filtering, returning CAGR, max drawdown, profit factor, and per-year breakdown. - [Crypto Technicals X402 — Backtest](https://www.zero.xyz/c/crypto-technicals-x402-backtest-e47014bb/llms.txt): $0.02/call via x402. Runs a historical backtest of a crypto trend-following strategy on Binance spot klines, returning CAGR, PnL, win rate, max drawdown, and profit factor. - [crypto-technicals-x402](https://www.zero.xyz/c/crypto-technicals-x402-f605d0b4/llms.txt): $0.001/call via x402. Returns spot price and 24-hour statistics (last price, change %, high, low, volume) for a Binance USDT trading pair, paid per-call via x402/USDC on Base. - [Binance USDT Spot Price & 24h Stats](https://www.zero.xyz/c/binance-usdt-spot-price-24h-stats-993f596e/llms.txt): $0.001/call via x402. Returns the current spot price and 24-hour market statistics (last price, change %, high, low, volume, quote volume) for a given Binance USDT trading pair - [Crypto Technicals x402](https://www.zero.xyz/c/crypto-technicals-x402-aa81c3e9/llms.txt): $0.003/call via x402. Returns daily trend regime, Donchian channel levels, ATR-based stops, trading signals, and backtest results for a given crypto asset using live Binance spot kline data, billed per-call via x402 USDC on Base. - [Crypto Funding Rate & Open Interest Data](https://www.zero.xyz/c/crypto-funding-rate-open-interest-data-8074adc6/llms.txt): $0.002/call via x402. Returns live perpetual futures funding data for a crypto symbol, including mark price, index price, open interest, current funding rate, next funding time, annualized funding percentage, and long/short account ratio. - [Crypto Technicals x402](https://www.zero.xyz/c/crypto-technicals-x402-b83b5d9d/llms.txt): $0.008/call via x402. Computes daily trend regime, Donchian channel levels, ATR-based stops, trading signals, and backtests for a given cryptocurrency pair using live Binance spot klines data, payable per-call via x402/USDC on Base. - [Crypto Technicals x402](https://www.zero.xyz/c/crypto-technicals-x402-e44fa053/llms.txt): $0.005/call via x402. Returns daily trend regime, Donchian channel levels, ATR-based stops, trading signals, and backtest results for a crypto symbol using live Binance spot kline data, billed per-call via x402 USDC on Base. - [Crypto Technicals x402 – AI Summarize](https://www.zero.xyz/c/crypto-technicals-x402-ai-summarize-74515447/llms.txt): $0.005/call via x402. Summarizes a URL or raw text into a concise digest (bullets, paragraph, or TL;DR style) via a pay-per-call x402/USDC endpoint - [Web Screenshot Service (vmi3089643.contaboserver.net)](https://www.zero.xyz/c/web-screenshot-service-vmi3089643-contaboserver-net-490ba774/llms.txt): $0.01/call via x402. Takes a screenshot of a given URL and returns the rendered page as a PNG image - [crypto-technicals-x402 Code Review](https://www.zero.xyz/c/crypto-technicals-x402-code-review-cb91da77/llms.txt): $0.02/call via x402. Accepts source code and returns a structured code review with severity-ranked findings and fix suggestions - [Text Translation API](https://www.zero.xyz/c/text-translation-api-4091de42/llms.txt): $0.005/call via x402. Translates text from one language to another, returning the translated string - [DNS Lookup API (crypto-technicals-x402 host)](https://www.zero.xyz/c/dns-lookup-api-crypto-technicals-x402-host-2b8daf19/llms.txt): $0.002/call via x402. Performs DNS record lookups for a given domain, returning A, MX, NS, and TXT records 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)