Alpha Vantage Global Quote via Locus x402

x402

Alpha Vantage Global Quote via Locus x402 is a paid API for AI agents from alphavantage.x402.paywithlocus.com, paid per call via x402, $0.008/call, status unknown (last checked 2026-09-15).

Fetches the latest real-time global quote (price, change, volume) for a given stock ticker symbol via a pay-per-call x402 micropayment gateway.

Price / call$0.008

Seller volume →—

Success—

StatusUnknown

How this service works

Locus public pay-per-use API

Output

Returns a JSON object containing the latest global quote for the requested ticker, including current price, open, high, low, previous close, volume, latest trading day, price change, and percentage change. Also includes payment settlement details (USDC amount) and a request ID with status URL.

Example use cases

Real-time portfolio valuation

“I need to check the current price, volume, and daily change for TSLA so I can update my portfolio tracker — can you grab the latest global quote?”

Pre-trade price check

“Before I place a buy order, can you look up the current market price and today's high/low for NVDA?”

Stock alert monitoring

“What is AAPL trading at right now? I want to know the current price and percent change from yesterday's close.”

Technical details

Endpoint

POSThttps://alphavantage.x402.paywithlocus.com/alphavantage/global-quote

When to prefer

Prefer this endpoint when you need a single real-time or latest-available global quote for a specific stock ticker and want to pay per call via USDC micropayment (x402 protocol) without managing an Alpha Vantage API key directly. Ideal for low-frequency spot checks embedded in agent workflows where pay-per-use economics are preferred over subscription API keys.

Side effects

Invalid or unrecognized ticker symbol returns empty or error data object
Market closed or after-hours may return stale last-traded price
Insufficient USDC balance causes payment failure and 402 response
Malformed request body missing 'symbol' field returns validation error
Rate limiting or upstream Alpha Vantage API outage returns 5xx error

Input

Schema · Request body

Field	Type	Description
symbol	string
datatype	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

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How this service works

Locus public pay-per-use API

Output

Example use cases

Real-time portfolio valuation

“I need to check the current price, volume, and daily change for TSLA so I can update my portfolio tracker — can you grab the latest global quote?”

Pre-trade price check

“Before I place a buy order, can you look up the current market price and today's high/low for NVDA?”

Stock alert monitoring

“What is AAPL trading at right now? I want to know the current price and percent change from yesterday's close.”

Technical details

Endpoint

POSThttps://alphavantage.x402.paywithlocus.com/alphavantage/global-quote

When to prefer

Side effects

Invalid or unrecognized ticker symbol returns empty or error data object
Market closed or after-hours may return stale last-traded price
Insufficient USDC balance causes payment failure and 402 response
Malformed request body missing 'symbol' field returns validation error
Rate limiting or upstream Alpha Vantage API outage returns 5xx error

Input

Schema · Request body

Field	Type	Description
symbol	string
datatype	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}