# Polkadot Live Ticker (DOT-USD)

> Polkadot Live Ticker (DOT-USD) 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 real-time Polkadot (DOT-USD) market data including last trade price, bid, ask, and rolling 24h volume from Coinbase Exchange.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/demand-market-polkadot-ticker?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-live-ticker-dot-usd-f1b1cf83
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jp8QkZK8-3KKvTqnhjVfQ

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-live-ticker-dot-usd-f1b1cf83 -d '<json body>'
```

Example prompt: What's the current Polkadot price on Coinbase right now — give me the last trade, bid, ask, and rolling volume for DOT-USD?

## When to prefer this

Use this endpoint when you need live, real-time Polkadot (DOT-USD) market data specifically from Coinbase Exchange, including last trade, bid, ask, and volume in a single call. Prefer this over generic crypto APIs when Coinbase-sourced data is required or when monitoring DOT-USD specifically at low per-call cost.

## Known failure modes

- Invalid product ID returns an error — only valid Coinbase USD product IDs are accepted
- Coinbase Exchange downtime or rate limiting may cause request failures
- Stale or delayed data during high-volatility periods
- Network or payment processing errors returning HTTP 402 or 5xx responses

## How this service works

Polkadot Live ticker: Return the last trade, bid, ask, and rolling volume. Coinbase Exchange public USD market data; not investment advice.

## Output

Returns the current DOT-USD ticker from Coinbase Exchange, including the last traded price, best bid, best ask, and the rolling 24-hour volume for the Polkadot trading pair.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "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-live-ticker-dot-usd-f1b1cf83/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)