# x402 Chain Intel – Whale Entry Detector

> x402 Chain Intel – Whale Entry Detector is a paid API for AI agents from x402-chain-intel.vercel.app, paid per call via x402, $0.17/call, status unknown (last checked 2026-10-13).

Detects whale wallet entry signals for a given token or address, useful for trading bots making position decisions.

## Facts

- Endpoint: POST https://x402-chain-intel.vercel.app/api/holder/whale-entry?utm_source=zero.xyz
- Price: $0.17/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-chain-intel-whale-entry-detector-6afdcbd6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pwtm_9L0JEU-o4BowzHJ_

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-chain-intel-whale-entry-detector-6afdcbd6 -d '<json body>'
```

Example prompt: Check if any whales are entering a position on token 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum right now — I need the entry signals for my trading bot.

## When to prefer this

Choose this endpoint when your trading bot needs real-time on-chain whale entry detection for a specific token, particularly when you want to follow smart money signals before or during a position entry. Prefer this over generic holder analytics when the use case is time-sensitive entry signal detection rather than static snapshot analysis.

## Known failure modes

- Invalid or unrecognized token/wallet address returns an error
- Unsupported blockchain network returns 400 or empty result
- No whale entries detected returns empty signal array
- Payment not fulfilled returns 402 Payment Required
- Rate limiting or upstream data unavailability returns 503

## How this service works

27 paid endpoints for trading bots

## Output

Returns detected whale entry events for the specified token or address, including wallet identifiers, entry timestamps, estimated position sizes, and a signal confidence score indicating the strength and recency of whale accumulation activity.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-chain-intel-whale-entry-detector-6afdcbd6/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-chain-intel.vercel.app](https://www.zero.xyz/host/x402-chain-intel.vercel.app/llms.txt)