# Messari API — Crypto Asset Mindshare Losers (24h)

> Messari API — Crypto Asset Mindshare Losers (24h) is a paid API for AI agents from api.messari.io, paid per call via x402, $0.35/call, status unknown (last checked 2026-09-15).

Returns a ranked list of crypto assets that have lost the most mindshare over the last 24 hours, including momentum and sentiment scores.

## Facts

- Endpoint: GET https://api.messari.io/signal/v1/assets/mindshare-losers-24h
- Price: $0.35/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/messari-api-crypto-asset-mindshare-losers-24h-1252eca9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_LAOve2-_HjCPQWUaO8iyL

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 messari-api-crypto-asset-mindshare-losers-24h-1252eca9
```

Example prompt: Show me the top 10 crypto assets that have lost the most mindshare in the last 24 hours on Messari, including their momentum and sentiment scores.

## When to prefer this

Use this endpoint when you need to identify which crypto assets are declining in social attention or narrative traction over the last 24 hours, specifically for sentiment monitoring, contrarian analysis, or tracking which projects are losing community interest. Prefer this over general news or price APIs when mindshare and sentiment momentum are the primary signals of interest.

## Known failure modes

- Invalid page or limit parameter returns 400 Bad Request
- Exceeding rate limits returns 429 Too Many Requests
- Payment not included or invalid returns 402 Payment Required
- No data available for the requested page returns empty data array
- Service unavailability returns 503

## How this service works

Get top crypto asset mindshare losers over the last 24 hours.

## Output

A paginated list of crypto assets ranked by mindshare loss over the past 24 hours. Each entry includes the asset ID, name, symbol, market rank, a momentum score, a sentiment score, and the numeric mindshare change value indicating how much mindshare they have lost.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "example": {
  "data": [
   {
    "id": "bitcoin",
    "name": "Bitcoin",
    "rank": 1,
    "symbol": "BTC",
    "momentumScore": 0.49,
    "sentimentScore": 0.66,
    "mindshareChange": 1.7
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/messari-api-crypto-asset-mindshare-losers-24h-1252eca9/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)
