# Bittensor Bid-Ask Spread Check

> Bittensor Bid-Ask Spread Check is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).

Returns the current bid-ask spread for Bittensor (TAO-USD) from Coinbase Exchange public USD market data

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/pulse-market-bittensor-spread-check?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/bittensor-bid-ask-spread-check-5cc468ff
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_4vw9_tRLcxl4Dc1C-3RFm

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 bittensor-bid-ask-spread-check-5cc468ff -d '<json body>'
```

Example prompt: What's the current bid-ask spread for Bittensor (TAO-USD) on Coinbase right now? I want to know how tight the market is before I place an order.

## When to prefer this

Use this endpoint when you specifically need real-time bid-ask spread data for Bittensor (TAO-USD) or other Coinbase USD pairs. It is ideal for pre-trade liquidity assessment, spread monitoring, or market microstructure research on TAO. Prefer this over general crypto price feeds when spread (not just last price) is the key metric needed.

## Known failure modes

- Invalid product ID returns an error or empty result
- Coinbase Exchange API downtime causes lookup failure
- Rate limiting on the underlying Coinbase public API
- Non-USD product IDs may not be supported

## How this service works

Bittensor Bid-ask spread check: Bid-ask spread check for Bittensor (TAO-USD) from Coinbase Exchange public USD market data. The product ID can be overridden; data only, not investment advice.

## Output

Returns bid and ask prices along with the calculated bid-ask spread for the requested Coinbase USD product (defaulting to TAO-USD), sourced from Coinbase Exchange public market data. Data is for informational purposes only and not investment advice.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "product": {
   "type": "string",
   "default": "TAO-USD",
   "description": "Coinbase USD product ID; defaults to ADA-USD."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/bittensor-bid-ask-spread-check-5cc468ff/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)