the402 x402 endpoint directory

Bulk domain name availability lookup via live WHOIS: check many domains across many TLDs in one call and get a per-dom

Deterministic ephemeris snapshot (one location/time). Free sample, no payment required: GET /play/sky

Live Base mainnet ETH and USDC balances for an address — treasury and agent wallet checks

Resolve A and AAAA records for a public hostname via DNS-over-HTTPS (60s cache)

Live IP geolocation: country, city, org, and ASN for fraud and routing agents

Web research API for AI agents — search the public web and safely extract source evidence in one $0.003 accepted-deliv

Legal entity identity via GLEIF: look up a company by LEI, search legal entities by name across jurisdictions, or vali

AI intent execution - natural language commands translated to API actions automatically

ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — via balanceOf eth_call, with decimals a

Wallet bundle: ETH balance + balance_usd + tx count + contract-code check (EIP-7702 delegated-EOA aware) for a Base ma

L2 order book for a Hyperliquid perp pair (POST variant)

Get real-time crypto token price with 24h change, market cap, and volume

AI API endpoint - pay per request with USDC on Base and Solana

Read one public URL and return clean bounded page content with a SHA-256 content hash.

Count words, characters, sentences, paragraphs, and reading time

International phone number validation and normalization (libphonenumber): validity, country, E.164, national/internati

Convert between fiat currencies and cryptocurrencies

ATR-based expected price range for the period: the 68% and 95% probability bands around current price. Use to set real

Bollinger-Band squeeze detector: is volatility compressing toward a likely expansion? Returns extreme/strong/moderate/

Aggregated market sentiment label (strong_bearish → strong_bullish) with a normalized score, computed from LLM-scored

Multi-timeframe RSI oversold check (1h/4h/1d, weighted) returning a boolean + the blended RSI. Use to confirm an overs

Is this drop a statistically significant dip or just noise? Compares the move against the asset's ATR and returns a ve

ADX-based chop-vs-trend detector for an asset/timeframe: is price trending or stuck in a range? Returns a boolean + ch

Top and bottom momentum coins ranked by return over the chosen period — a leaderboard of what's running and what's ble

Pearson correlation of a coin's returns vs BTC (-1 to +1) over the period. Use to judge diversification and whether an

Relative strength of a coin vs BTC over a period, returned as a category (very_strong → very_weak) plus a numeric scor

Alt-season detector: what % of the top-10 alts have outperformed BTC over the lookback window, with a 0-100 index and

Active-pump detector: is the asset currently pumping, and for how long vs the historical average pump length? Use to j

FOMO guard: how far has price already run from the recent swing low — in % and ATR multiples — versus the historical a

Counts consecutive green candles on the chosen interval and returns the historical outcome stats after streaks of that

Is price over-extended? Distance from MA20/MA50, Bollinger-band position and a z-score in one read. Use to avoid enter

Upcoming macro events (FOMC, CPI, NFP, etc.) with date, country and impact level, filterable to high-impact only. Use

Wallet bundle: ETH balance + balance_usd + tx count + contract-code check (EIP-7702 delegated-EOA aware) for a Base ma

Mid-tier OpenAI-compatible chat completion. Qwen3 235B (instruct/thinking/VL/next), DeepSeek V3.2, GLM 5.2, venice-unc

Records an agent decision (execute now, or wait) against a fresh forecast snapshot and returns a decision_id plus the

Audit a site's HTTP security headers before embedding, scraping, or trusting it. Returns an A+ to F grade and 0–100 sc

Verify whether a domain is legitimate and safe before transacting with it. Returns a 0–100 trust score and tier (TRUST

Validate an email address and check whether an email domain can receive mail. Verifies email syntax and performs a liv

Locus public pay-per-use API

Locus public pay-per-use API

Volume-weighted average funding rate across all tracked venues for one crypto perpetual. Accounts for venue market sha

Next funding payment ETA for one crypto perpetual on one venue, with the current indicative funding rate alongside — w

Wallet snapshot on any major EVM chain (base, ethereum, arbitrum, optimism, polygon): native balance, USDC balance, tr

Volume-spike scanner across tracked crypto perpetuals: every ticker whose current 24h volume is at least your multipli

Open-interest delta for one crypto perpetual on one venue — current OI against OI N hours ago. Accumulation or distrib

Funding-rate sign-change detection for one crypto perpetual — every positive↔negative flip across venues inside a look

Locus public pay-per-use API

Live fiat FX rates (Frankfurter/ECB primary, open.er-api fallback) for cross-border agents

Current weather conditions for a US ZIP code (temperature, wind, humidity, conditions). Backed by the US National Weat

Current gas prices for Base or Ethereum mainnet: legacy gas price, EIP-1559 base fee and suggested priority fee (all g