---
title: "Add To Watchlist"
method: POST
path: "/api/v1/hyperliquid/watchlist"
tags: ["Hyperliquid Traders"]
---

# Add To Watchlist

`POST /api/v1/hyperliquid/watchlist`

## Request

- Base URL: `https://cryptodataapi.com`
- URL: `https://cryptodataapi.com/api/v1/hyperliquid/watchlist`
- Auth: API key in header `X-API-Key`

Add wallet addresses to the watchlist. Automatically starts tracking for signals.

The watchlist is a shared, collector-wide poll set, so mutations are gated to
Pro / Pro Plus — a free key must not be able to inflate or alter the set that
drives every consumer's wallet signals.

## Request body

- WatchlistAddDetailedRequest
  - `entries` WatchlistAddEntry[], required
    - `address` string, required
    - `label` string, nullable
    - `notes` string, nullable

## Response `201`

Successful Response

- HLWatchlistResponse: Current watchlist addresses.
  - `addresses` object[], required
  - `count` integer, required
  - `updated_at` string, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/cryptodataapi/apis/crypto-data-api.md) · [All operations](https://skmtc.dev/cryptodataapi/apis/crypto-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/cryptodataapi/apis/crypto-data-api/revisions/8628b754ca81?raw)