# Polkadot Hourly OHLCV Candles

> Polkadot Hourly OHLCV Candles is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).

Returns recent hourly OHLCV (open, high, low, close, volume) candlestick data for the DOT-USD market from Coinbase Exchange.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-market-polkadot-hourly-candles?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/polkadot-hourly-ohlcv-candles-4095a53e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MtOcJMhE7FYeAdzKStmxH

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 polkadot-hourly-ohlcv-candles-4095a53e -d '<json body>'
```

Example prompt: Can you pull the last 12 hourly candles for Polkadot (DOT-USD) so I can see the recent price action?

## When to prefer this

Choose this endpoint when you need recent hourly candlestick price data specifically for Polkadot (DOT-USD) from Coinbase Exchange, especially for short-term technical analysis or monitoring intraday price action. Prefer this over tick-by-tick or daily candle endpoints when hourly granularity is the right resolution.

## Known failure modes

- Invalid product ID returns an error or empty result
- Limit outside 1-24 range rejected by schema validation
- Coinbase Exchange data temporarily unavailable causing upstream failure
- Payment of $0.01 USDC not fulfilled resulting in 402 rejection

## How this service works

Polkadot Hourly candles: Return recent hourly OHLCV candles. Coinbase Exchange public USD market data; not investment advice.

## Output

Returns up to 24 recent hourly OHLCV candlestick records for the specified Coinbase USD market (default DOT-USD), each containing open, high, low, close, and volume values for that hour.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "limit": {
   "type": "integer",
   "default": 24,
   "maximum": 24,
   "minimum": 1
  },
  "product": {
   "type": "string",
   "default": "DOT-USD",
   "description": "Coinbase USD product ID; defaults to DOT-USD."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/polkadot-hourly-ohlcv-candles-4095a53e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)