# AgentDiet Whale Momentum Signal

> AgentDiet Whale Momentum Signal is a paid API for AI agents from status.agentdiet.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).

Fetches whale momentum data for a given crypto symbol, delivering on-chain large-holder movement signals

## Facts

- Endpoint: GET https://status.agentdiet.dev/v1/whale-momentum?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentdiet-whale-momentum-signal-4e71f252
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6qtbVZkau6r1WxLabuK2X

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 agentdiet-whale-momentum-signal-4e71f252
```

Example prompt: Can you pull the whale momentum signal for BTC right now — I want to know if large holders are buying or selling?

## When to prefer this

Use this endpoint when you need a fast, inexpensive ($0.01 USDC) on-chain whale momentum signal for a specific crypto asset, particularly in agent workflows that require deterministic, pay-per-call intelligence without subscription overhead. Prefer it over general market data APIs when large-holder behavioral signals are specifically needed.

## Known failure modes

- Missing or invalid symbol query parameter returns empty or error data
- Payment not settled in USDC on Base results in 402 rejection
- Unrecognized HTTP method returns error
- Service unavailability returns non-ok status
- Rate limiting or quota exceeded for repeated calls

## How this service works

Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://status.agentdiet.dev settling in USDC on Base.

## Output

Returns a JSON object with a status field, a data object containing momentum details, and an roi_proof object that includes a compression_ratio_pct (e.g. 91.4%) indicating how efficiently the signal was distilled.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "POST"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "symbol": {
       "type": "string"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {},
  "status": "ok",
  "roi_proof": {
   "compression_ratio_pct": 91.4
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentdiet-whale-momentum-signal-4e71f252/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from status.agentdiet.dev](https://www.zero.xyz/host/status.agentdiet.dev/llms.txt)