# Alpha Vantage Digital Currency Daily via Locus x402

> Alpha Vantage Digital Currency Daily 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 2026-09-13).

Returns daily OHLCV and market data for a cryptocurrency pair against a specified fiat market currency, paid per-call via x402 micropayment protocol.

## Facts

- Endpoint: POST https://alphavantage.x402.paywithlocus.com/alphavantage/digital-currency-daily
- Price: $0.008/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/alpha-vantage-digital-currency-daily-via-locus-x402-cdadbedc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YRHxX8Y3vGVcLIyCg5JmL

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability alpha-vantage-digital-currency-daily-via-locus-x402-cdadbedc -d '<json body>'
```

Example prompt: Can you pull the daily price history for Bitcoin priced in USD from Alpha Vantage?

## When to prefer this

Choose this endpoint when you need structured daily OHLCV time series data for a specific cryptocurrency against a fiat market currency, especially in a pay-per-use context without a long-term Alpha Vantage API subscription. Ideal for agents that need on-demand crypto price history with micropayment billing via the x402 protocol.

## Known failure modes

- Invalid or unsupported cryptocurrency symbol returns empty or error data
- Invalid market currency code returns an error
- Alpha Vantage API rate limits or upstream outages cause failed responses
- Payment failure or insufficient USDC balance prevents request from completing
- Malformed request body missing required fields returns a 4xx error

## How this service works

Financial market data — stock prices, forex, crypto, commodities, economic indicators, technical analysis, and news sentiment.

## Output

A JSON object containing a daily time series of OHLCV (open, high, low, close, volume) data for the requested cryptocurrency symbol denominated in the specified market currency, along with payment confirmation metadata including settled USDC amount and request ID.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "market": {
   "type": "string"
  },
  "symbol": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "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
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/alpha-vantage-digital-currency-daily-via-locus-x402-cdadbedc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from alphavantage.x402.paywithlocus.com](https://www.zero.xyz/host/alphavantage.x402.paywithlocus.com/llms.txt)