# Messari Crypto Asset Mindshare Rankings

> Messari Crypto Asset Mindshare Rankings is a paid API for AI agents from api.messari.io, paid per call via x402, $0.55/call, status unknown (last checked 2026-09-14).

Returns paginated crypto asset mindshare rankings with sentiment and momentum context, showing which assets are capturing the most attention.

## Facts

- Endpoint: GET https://api.messari.io/signal/v1/assets
- Price: $0.55/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-messari-io-0dc4e009
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Rw_tBmPdUJS4k0Q3I3bUH

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 api-messari-io-0dc4e009
```

Example prompt: Pull the Messari mindshare rankings for the top 20 crypto assets so I can see which ones are gaining the most attention and momentum right now.

## When to prefer this

Use this endpoint when you need a ranked overview of which crypto assets are commanding the most attention across the market, with sentiment and momentum signals. Prefer this over the 24-hour gainers endpoint when you want a broad mindshare leaderboard rather than just the biggest movers in a short window.

## Known failure modes

- Invalid page or limit parameter returns 400 Bad Request
- Payment not provided or insufficient triggers 402 Payment Required
- Search query with no matching assets returns empty results list
- Rate limit exceeded returns 429 Too Many Requests
- Service unavailability returns 503

## How this service works

Get crypto asset mindshare rankings with sentiment and momentum context.

## Output

A paginated list of crypto assets ranked by mindshare, each including sentiment scores and momentum context indicating how attention is trending for that asset.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "page": {
   "type": "integer",
   "minimum": 1
  },
  "limit": {
   "type": "integer",
   "minimum": 1
  },
  "search": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "example": {
  "data": [
   {
    "id": "bitcoin",
    "name": "Bitcoin",
    "symbol": "BTC",
    "aiInsight": "Mindshare is rising with positive sentiment.",
    "mindshare7d": 11.8,
    "mindshare24h": 12.4,
    "momentumScore": 0.41,
    "sentimentScore": 0.62
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-messari-io-0dc4e009/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.messari.io](https://www.zero.xyz/host/api.messari.io/llms.txt)