# CoinStats BTC Dominance Over Time

> CoinStats BTC Dominance Over Time is a paid API for AI agents from x402.coinstats.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).

Returns Bitcoin's market dominance percentage (share of total crypto market cap) as a time series

## Facts

- Endpoint: GET https://x402.coinstats.app/insights/btc-dominance
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-coinstats-app-bac9a88d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YRTgdBQdWv80FS5H4Ov0P

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 x402-coinstats-app-bac9a88d
```

Example prompt: Can you pull Bitcoin's market dominance percentage over time from CoinStats so I can see how BTC's share of total crypto market cap has been trending?

## When to prefer this

Use this endpoint when you need historical or current BTC dominance percentage data specifically from CoinStats, particularly within a workflow already using CoinStats market data APIs. Prefer over generic coin price endpoints when the question is about Bitcoin's relative market share vs. absolute price.

## Known failure modes

- 402 Payment Required if no valid x402 payment header is provided
- Stale or delayed data if CoinStats data pipeline is lagging
- Empty or partial series if the requested time range has no data
- Rate limiting or quota errors on high-frequency polling

## How this service works

CoinStats Bitcoin market dominance percentage over time — share of total crypto market cap

## Output

A time series of Bitcoin dominance values — each data point containing a timestamp and BTC's percentage share of the total cryptocurrency market capitalization, allowing trend analysis over time.

## Example request

```json
{
 "type": "1w"
}
```

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "required": [
    "method"
   ],
   "properties": {
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-coinstats-app-bac9a88d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.coinstats.app](https://www.zero.xyz/host/x402.coinstats.app/llms.txt)