x402 Weather API

Live current weather conditions for any city, sourced from Open-Meteo. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Search or list open Kalshi prediction markets (regulated US event contracts). q searches every open market title, outcome and event (all words must match), busiest first. No match = 404, not charged. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Index a document without rewriting it. POST JSON {"text": "..."} or {"url": "..."} (HTML/PDF), a text/plain body, or a multipart "file" (text, HTML, PDF). Each section and block gets an exact [start, end) UTF-16 span, section path and SHA-256 fingerprint, plus a coverage check. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 202

Search or list active Polymarket prediction markets, ranked by 24h volume. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Resolve an ENS name to an address, or reverse-resolve an address to its primary ENS name. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Get the top trending cryptocurrencies right now, ranked by search interest. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Get full detail (yes/no prices, volume, status, result) for a single Kalshi market by ticker

Topic attention trend from real Wikipedia page views: 7-day average, week-over-week change, direction and peak day. Premium adds the 30-day daily series, spike days and the same stats for related articles. Attention proxy, not search or social volume. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-

Look up current price, 24h change, and market cap for one or more cryptocurrencies. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Same question priced differently on Polymarket and Kalshi. Each pair passes outcome-name, number, date, negation and key-term checks, with live bid/ask, hedge cost and edge before and after estimated fees, plus both rule texts. No pair found = 404, not charged. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: htt

Get full detail (prices, volume, liquidity, resolution) for a single Polymarket market by slug. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Look up a DeFi protocol's current total value locked (TVL), by chain, plus market cap. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Rank blockchains by total DeFi value locked (TVL) across all protocols. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Rich market data for one or more cryptocurrencies: rank, 24h high/low, volume, ATH, and more. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt, eth_getBlockByNumber, and more. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Native and (optional) ERC-20 token balance for a wallet address across major EVM chains (base, ethereum, polygon, arbitrum, optimism) Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Current gas price and EIP-1559 fee estimate for a chain (base, ethereum, polygon, arbitrum, optimism) Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Real LLM-backed text generation (Gemini). Pay with upto (billed by output length, max $0.05) or exact (flat $0.05). Base only. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Real-time web search (via Exa) — ranked results with title, URL, published date, author, and relevance score for a query. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Heartbeat endpoint billed via a batch-settlement payment channel. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Premium content. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay