AI web search optimized for agents. Returns ranked results with the relevant extracted content of each page (not just a link + blurb), plus a relevance score. topic=news for recent reporting. Distinct from search.web (raw SERP) — this returns clean, LLM-ready page content per result.
GET https://2s.io/api/search/aiListed in 3 directories: bazaar, x402-list, x402-new. First seen 5 Sept 2026.
The endpoint answers an unpaid request with an HTTP 402 and a payment challenge. @x402/fetch signs it, pays in USDC, and retries — you get the result back in one call.
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, account);
const res = await pay("https://2s.io/api/search/ai", {
method: "GET",
});
console.log(await res.json());2s.io
Aggregated insider sentiment for a US-listed company, by month. For each month returns the net change in insider share holdings and Finnhub's MSPR (Monthly Share Purchase Ratio, −100 to +100 — higher means more net insider buying). Pass ticker and optionally a from/to window (YYYY-MM-DD; defaults to ~1 year). A distilled signal layered on top of raw insider filings. Data by Finnhub.
BaseSocial & communityA2s.io
Historical quarterly earnings surprises for a US-listed company — reported (actual) EPS vs the analyst consensus estimate, the absolute surprise, and the surprise percentage, for the most recent quarters (newest first). Pass ticker (optionally limit). Tells you whether a company has been beating or missing expectations. Data by Finnhub.
BaseAI & inferenceA2s.io
Key fundamental metrics and 52-week price statistics for a US-listed company. Pass ticker; returns headline valuation, margin, and per-share figures — P/E, P/B, P/S, PEG, EV/EBITDA, gross/operating/net margins, ROE, ROA, current ratio, debt/equity, dividend yield, beta, 52-week high/low, and YTD/52-week price returns — plus the full Finnhub metric map under `metric`. Computed ratios you would otherwise derive yourself from raw filings. Market & fundamental data by Finnhub.
BaseMarket data & DeFiA2s.io
Latest daily stock quote for a US-listed ticker. Returns the most recent completed trading session: open, high, low, close, volume, VWAP, and trade count, plus the change and percent change versus the prior session, and company reference data (name, primary exchange, security type, currency, market cap). NOTE: this plan tier serves end-of-day / delayed data (the response flags delayed=true), suitable for daily snapshots, fundamentals context, and post-close analysis rather than real-time trading. Pass ticker as a US symbol (e.g. AAPL, MSFT, BRK.B). Market data by Massive (formerly Polygon.io).
BaseMarket data & DeFiA2s.io
Reverse geocoding — latitude/longitude → nearest formatted address plus structured components (houseNumber, road, suburb, city, county, state, postcode, country, countryCode). Query: lat (-90..90), lon (-180..180). Underlying data is OpenStreetMap (ODbL). Sister: /api/geocode/address.
BaseData & enrichmentA2s.io
Forward geocoding — free-text address or place name → latitude/longitude plus structured address components (houseNumber, road, suburb, city, county, state, postcode, country, countryCode). Query: q (2-500 chars), limit (1-10, default 5), country (optional 2-letter ISO 3166-1 bias). Underlying data is OpenStreetMap (ODbL). Sister: /api/geocode/reverse.
BaseData & enrichmentAUptime and compliance: x402-list.com (CC BY 4.0). Safety scores: x402.direct. Call and payer counts: x402.new. AMNT indexes this endpoint and does not host, operate or vouch for it.