info (perpAnnotation)
Hyperliquid node API
perpAnnotation | Hyperliquid info
The info endpoint with type: “perpAnnotation” retrieves the annotation metadata for a specific HIP-3 deployed perpetual asset. On Hyperliquid info.
POST
info (perpAnnotation)
Documentation Index
Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt
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This method is available on Chainstack. Not all Hyperliquid methods are available on Chainstack, as the open-source node implementation does not support them yet — see Hyperliquid methods for the full availability breakdown.
info endpoint with type: "perpAnnotation" retrieves the annotation metadata for a specific HIP-3 deployed perpetual asset. Returns the deployer-set category and description for the given coin, or null if no annotation has been set.
Annotations are set by HIP-3 deployers using the setPerpAnnotation deployer action. Native Hyperliquid perps (BTC, ETH, etc.) are not HIP-3 deployed and will always return null.
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Parameters
Request body
type(string, required) — The request type. Must be"perpAnnotation".coin(string, required) — HIP-3 asset symbol indeployer:TICKERformat (e.g.,"xyz:GOLD","birb:PENGU"). Native perps like"BTC"always returnnull.
Response
Returns an annotation object when the deployer has set metadata, ornull if no annotation exists:
category(string) — Category label, at most 15 characters. The official Hyperliquid UI only displays categories from a predefined set (e.g.,"indices","commodities","ai","meme","defi").description(string) — Description text, at most 400 characters. Deployers can use this as an onchain spec or link to external documentation.
Example request
Shell
Example response
When an annotation exists:Use case
Theinfo endpoint with type: "perpAnnotation" is useful for:
- Displaying deployer-provided metadata about HIP-3 perpetual assets
- Building informational pages for deployed perpetual contracts
- Checking whether a perpetual has custom annotations before rendering UI
- Filtering HIP-3 assets by their deployer-assigned categories
Body
application/json
Last modified on May 18, 2026