the402 x402 endpoint directory

Web search for agents: a query returns ranked title/url/snippet results (no API key, no signup)

The list of supported currency codes and their full names.

Summarize a terms/conditions page into refund_policy, cancellation_policy, data_usage and liability_limit (each null i

Weather forecast for a coordinate. Pick current/hourly/daily variables (temperature, wind, precipitation, humidity, …)

Convert an amount from one currency to another at the live rate; returns the computed result plus the quote used.

Validate an IBAN's format and mod-97 checksum, derive its country code, and optionally compare it to an expected count

Foresight API request

Economic calendar — next 30 days, high/medium impact events for US, EU, GB, JP, CN. Actual vs estimate where released.

Mixed batch of up to 25 names/addresses (forward + reverse)

Foresight API request

Solana futures term structure — basis, annualized carry, contango/backwardation for calendar spread trading — Ed25519

ETH futures term structure — carry curve across Deribit, OKX, Bybit — Ed25519 signed attestation

BTC futures term structure — basis, annualized carry, contango/backwardation across 3 exchanges — Ed25519 signed attes

Solana SVI volatility surface parameters — stochastic vol interpolation for options model calibration — Ed25519 signed

ETH SVI surface — arbitrage-free fitted IV across all expiries — Ed25519 signed attestation

BTC SVI surface — Gatheral 2004 arbitrage-free IV parameterization with smooth smile interpolation — Ed25519 signed at

MSXI Ethereum market sentiment index — funding rate, long/short ratio, open interest momentum and liquidation signals

Solana implied volatility surface — full strike and expiry IV grid for options pricing and hedging — Ed25519 signed at

ETH multi-exchange IV surface with divergence detection — Ed25519 signed attestation

BTC multi-exchange IV surface — per-strike IV from 3 exchanges with cross-exchange divergence detection and mispricing

SOL options Greeks — Bybit native Greeks for 246+ options — Ed25519 signed attestation

ETH options Greeks — cross-exchange consensus from 1822+ options across 3 exchanges — Ed25519 signed attestation

BTC options Greeks — cross-exchange consensus delta/gamma/theta/vega from 2130+ options across Deribit, OKX, Bybit — E

Cross-chain gas index — normalized transaction cost comparison across Ethereum, Base, Arbitrum, Polygon and Solana — E

Solana perpetual funding rate — cross-exchange aggregated funding for carry trades and sentiment — Ed25519 signed atte

Ethereum perpetual funding rate — cross-exchange aggregated funding for carry trades and sentiment — Ed25519 signed at

BTC/USD funding rate composite — 5 exchanges, OI-weighted + median, predicted rate, regime — Ed25519 signed attestatio

All DeFi lending rates — 7 protocols, 7 chains, on-chain — Ed25519 signed attestation

ETH spot price history — signed OHLCV, 1m/5m/1h/4h/1d intervals, up to 60 days. — Ed25519 signed attestation

MNVI — Mycelia NQ Volatility Index. NDX RV30, VIX term structure, vol beta, VVIX, NDX momentum. 0-100 composite. 300s

GPU cloud compute pricing across all providers — H100, A100, RTX 4090, L40S hourly rates from Azure, GCP, AWS and Lamb

Pay once to register a price-threshold alert on any Base token. Supply target price, direction (above/below), and an h

Daily market bundle in one call: market-regime score (0-100, rule disclosed), Base gas price, best observed APY, BTC/E

Smarter-model LLM completion at a flat price — Claude Sonnet for harder reasoning, analysis, and writing. Same simple

IP geolocation lookup for the requesting IP. Returns country, region, city, timezone, ISP, ASN. Powered by ipwho.is. A

Real-time Total Value Locked TVL for 7000+ DeFi protocols across 500+ networks. Powered by DeFiLlama. AI agent DeFi pr

List image resources in the Cloudinary product environment. Supports pagination with max_results and next_cursor.

Summarised insights for agent workflows.

Habit intelligence analysis (USDC on Base).

Compatify compatibility check

LinkedIn company enrichment

全球宏观跨源派生情报 — 全球宏观跨源派生情报（derived intelligence）：跨中国/欧元区/IMF 多源合成中国宏观状态、欧元区状态、全球宏观覆盖，每项带完整 L4 溯源。

加密市场跨源派生情报 — 加密市场跨源派生情报（derived intelligence）：跨 DeFi 收益率/永续资金费率/比特币算力 多源合成实际 DeFi 收益(扣除通胀)、市场多空情绪、网络安全边际，每项带完整 L4 溯源。

美国宏观跨源派生情报 — 美国宏观跨源派生情报（derived intelligence）：跨 Fed/Treasury/Gold/CPI/Macro 多源合成实际利率、收益率曲线形态、宏观状态(goldilocks)、实际金价、财政付

🆕 Base Account spend permissions let an app or agent spend a scoped, recurring allowance from a wallet — the primitiv

Category-first view of the x402swag.com storefront: apparel, drinkware, stickers, crew-necks, and v-necks, each with i

ForgeMesh merch catalog sourced live from x402swag.com: apparel, drinkware, and stickers with price ranges per item, p

What's for sale at x402swag.com and how an agent actually buys it: categories, items with price ranges, and a how_to_b

Live catalog of the x402swag.com storefront: product categories, items with price ranges, and exactly how to buy — fre

Overview of every product in the ForgeMesh x402 fleet — id, name, hosting domain, category, how many paid routes it ex