2s Stock Quote API

x402

2s Stock Quote API is a paid API for AI agents from 2s.io, paid per call via x402, $0.0018/call, status unknown (last checked 2026-09-14).

Returns a real-time (delayed/EOD) stock quote for a US-listed ticker symbol including OHLCV, market cap, and price change data

Price / call$0.0018

Seller volume →—

Success—

StatusUnknown

How this service works

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).

Output

A JSON object with ok=true and an items array containing one entry with the ticker's open, high, low, close, VWAP, volume, transaction count, price change, percent change, previous close, market cap in USD, exchange, currency, and whether the data is delayed, plus source attribution to Massive/Polygon.io.

Example use cases

Example prompt

“What's the latest stock quote for AAPL — give me the price, today's change, volume, and market cap?”

Technical details

Endpoint

GEThttps://2s.io/api/stocks/quote

When to prefer

Use this endpoint when an AI agent needs quick, pay-per-call stock quote data without API key signup or monthly fees. Ideal for agents that need occasional US equity quotes and want to pay micro-amounts in USDC via x402 on Base or Solana. Best suited for single-ticker lookups rather than bulk data pulls.

Side effects

Invalid or unknown ticker symbol returns an error or empty items array
Non-US-listed tickers may not be supported
Data may be delayed (end-of-day) rather than real-time on this tier
Payment failure (402) if USDC balance is insufficient
Rate limiting or timeout if market data provider is unavailable

Input

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "ticker": "AAPL"
    }
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object

Output

{
  "data": {
    "ok": true,
    "items": [
      {
        "low": 289.59,
        "date": "2026-06-11",
        "high": 297,
        "name": "Apple Inc.",
        "open": 293.72,
        "type": "CS",
        "vwap": 294.1141,
        "close": 295.63,
        "change": 4.05,
        "ticker": "AAPL",
        "volume": 42572497.853978,
        "delayed": true,
        "currency": "usd",
        "exchange": "XNAS",
        "marketCapUSD": 4282539262480,
        "transactions": 833140,
        "changePercent": 1.39,
        "previousClose": 291.58
      }
    ],
    "total": 1,
    "source": {
      "url": "https://massive.com/",
      "license": "Massive API terms (commercial market data; delayed/EOD on this tier)",
      "provider": "Massive (formerly Polygon.io)"
    }
  },
  "meta": {
    "cost": {
      "usd": 0.0018,
      "tier": 2
    },
    "caller": "x402",
    "version": null,
    "endpoint": "stocks.quote",
    "settlement": {
      "txHash": "0x51fc347ce6b7bb15a4802cb26c59391899ed6334db7cae7d37557f15acb2fe89",
      "network": "eip155:8453",
      "success": true
    }
  }
}

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How this service works

Output

Technical details

Endpoint

GEThttps://2s.io/api/stocks/quote

When to prefer

Side effects

Invalid or unknown ticker symbol returns an error or empty items array
Non-US-listed tickers may not be supported
Data may be delayed (end-of-day) rather than real-time on this tier
Payment failure (402) if USDC balance is insufficient
Rate limiting or timeout if market data provider is unavailable

Input

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "ticker": "AAPL"
    }
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object

Output

{
  "data": {
    "ok": true,
    "items": [
      {
        "low": 289.59,
        "date": "2026-06-11",
        "high": 297,
        "name": "Apple Inc.",
        "open": 293.72,
        "type": "CS",
        "vwap": 294.1141,
        "close": 295.63,
        "change": 4.05,
        "ticker": "AAPL",
        "volume": 42572497.853978,
        "delayed": true,
        "currency": "usd",
        "exchange": "XNAS",
        "marketCapUSD": 4282539262480,
        "transactions": 833140,
        "changePercent": 1.39,
        "previousClose": 291.58
      }
    ],
    "total": 1,
    "source": {
      "url": "https://massive.com/",
      "license": "Massive API terms (commercial market data; delayed/EOD on this tier)",
      "provider": "Massive (formerly Polygon.io)"
    }
  },
  "meta": {
    "cost": {
      "usd": 0.0018,
      "tier": 2
    },
    "caller": "x402",
    "version": null,
    "endpoint": "stocks.quote",
    "settlement": {
      "txHash": "0x51fc347ce6b7bb15a4802cb26c59391899ed6334db7cae7d37557f15acb2fe89",
      "network": "eip155:8453",
      "success": true
    }
  }
}