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Build User-Signed Action REST API Endpoint

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Updated on
May 19, 2026

Build User-Signed Action REST API Endpoint

info

Exchange API calls do not consume Quicknode API credits. Transactions through this endpoint are appended with a builder fee. See hyperliquidapi.com for a full breakdown. To white-label with your own builder code, contact us.


Body Parameters

action
object
REQUIRED
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type
string
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destination
string
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amount
string
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token
string
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toPerp
boolean
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agentAddress
string
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agentName
string
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validator
string
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wei
integer
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isUndelegate
boolean
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Returns

hash
string
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nonce
integer
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action
object
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actionType
string
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typedData
object
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domain
object
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types
object
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primaryType
string
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message
object
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nextStep
string
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Request
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curl -s -X POST https://docs-demo.hype-mainnet.quiknode.pro/hypercore/exchange \
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-H "Content-Type: application/json" \
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-d '{
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"action": {
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"type": "usdSend",
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"destination": "0x0000000000000000000000000000000000000001",
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"amount": "1.0"
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}
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}'
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curl -s -X POST https://docs-demo.hype-mainnet.quiknode.pro/hypercore/exchange \
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-H "Content-Type: application/json" \
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-d '{
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"action": {
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"type": "usdSend",
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"destination": "0x0000000000000000000000000000000000000001",
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"amount": "1.0"
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}
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}'
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