the402 x402 endpoint directory

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

Fetch any URL and return clean text, title, description, Open Graph tags, canonical, favicon, headings, word count, re

Cron expression explainer: human-readable description plus the next run times (UTC) for standard 5-field cron syntax i

Vehicle Identification Number validation (ISO 3779): 17-char structure, check digit (position 9), WMI/VDS/VIS decompos

Web search (Google results via Serper): top 10 organic results + answer box + knowledge graph. Query: ?q=&gl=&hl=

Deterministic ephemeris snapshot (one location/time).

Wallet bundle: ETH balance + tx count + contract-code check for a Base mainnet address, in one call.

Compare DeFi pool yields across chains with built-in risk screening. Filters by chain, asset and minimum TVL, and flag

Current weather conditions for any coordinate worldwide. Pass lat + lon (and optional units=metric|imperial, default m

Current spot price and market data for crypto assets. Pass ids as comma-separated CoinGecko asset ids (e.g. bitcoin, e

https://x402.openwebninja.com/local-business-data/search

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

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

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

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

Cross-venue mark-price spread scan for crypto perpetuals — where the same perp trades at different marks across venues

Cross-venue funding-rate arbitrage scan over all tracked crypto perpetuals: every ticker whose (max_rate − min_rate) a

Look up a business in the public Peppol Directory — where to route an e-invoice (the BT-34/49 electronic address). ?id

Validate an email address before you accept a signup or send to it: RFC 5322 syntax, whether the domain resolves and i

Full amortization table from principal, APR and term (plus optional extra payment): monthly payment, per-period princi

Liquidation price for a long/short leveraged (perp) position from entry, leverage and maintenance-margin rate; returns

Optimal stake from win probability, payoff ratio and bankroll (full or fractional Kelly), plus fixed fractional risk s

From a value series (or start/end/years): CAGR, total return, annualized volatility, Sharpe ratio (given risk-free) an

Orders multiple debts by snowball (smallest balance) or avalanche (highest APR), simulates month-by-month payoff, and

Orders multiple debts by snowball (smallest balance) or avalanche (highest APR), simulates month-by-month payoff, and

From a value series (or start/end/years): CAGR, total return, annualized volatility, Sharpe ratio (given risk-free) an

Optimal stake from win probability, payoff ratio and bankroll (full or fractional Kelly), plus fixed fractional risk s

Liquidation price for a long/short leveraged (perp) position from entry, leverage and maintenance-margin rate; returns

Full amortization table from principal, APR and term (plus optional extra payment): monthly payment, per-period princi

Validate and checksum EVM (EIP-55), Bitcoin (base58check and bech32) and Solana addresses. Detects the chain and flags

DEX liquidity, market depth and TVL by venue for a trading pair - how deep is this pool, and where is the liquidity. P

Live token price in USD by ticker symbol or contract address - any ERC-20, not a fixed list. Real-time spot price read

Generate a QR code image from text or URL

Decision procedure for reconciling wallet-layer policy against agent-layer intent when a wallet provider enforces hard

Priority fee estimates for Solana transactions

Live token price in USD by ticker symbol or contract address on Base - any ERC-20, not a fixed list. Real-time spot pr

Live token price in USD by ticker symbol or contract address on Arbitrum One - any ERC-20, not a fixed list. Real-time

Live token price in USD by ticker symbol or contract address on Polygon PoS - any ERC-20, not a fixed list. Real-time