curl --request POST \
--url https://production.hifibridge.com/v2/users/{userId} \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"type": "individual",
"firstName": "<string>",
"lastName": "<string>",
"email": "<string>",
"dateOfBirth": "2023-12-25",
"address": {
"addressLine1": "<string>",
"city": "<string>",
"stateProvinceRegion": "<string>",
"postalCode": "<string>",
"country": "<string>",
"addressLine2": "<string>"
},
"ipAddress": "<string>",
"signedAgreementId": "<string>"
}
'{
"id": "4d93ab4f-3983-4ac0-8c97-54bbc0f287fa",
"createdAt": "2025-09-24T19:12:20.541Z",
"type": "individual",
"email": "[email protected]",
"name": "John Doe",
"wallets": {
"INDIVIDUAL": {
"ETHEREUM": {
"address": "0x43B343Bb48E23F58406271131B71448fF95787AD"
},
"POLYGON": {
"address": "0x43B343Bb48E23F58406271131B71448fF95787AD"
}
}
}
}Update an existing Hifi user.
HIFI does not provide services to users or businesses from sanctioned and high-risk regions or unsupported US states. See here for supported regions.
curl --request POST \
--url https://production.hifibridge.com/v2/users/{userId} \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"type": "individual",
"firstName": "<string>",
"lastName": "<string>",
"email": "<string>",
"dateOfBirth": "2023-12-25",
"address": {
"addressLine1": "<string>",
"city": "<string>",
"stateProvinceRegion": "<string>",
"postalCode": "<string>",
"country": "<string>",
"addressLine2": "<string>"
},
"ipAddress": "<string>",
"signedAgreementId": "<string>"
}
'{
"id": "4d93ab4f-3983-4ac0-8c97-54bbc0f287fa",
"createdAt": "2025-09-24T19:12:20.541Z",
"type": "individual",
"email": "[email protected]",
"name": "John Doe",
"wallets": {
"INDIVIDUAL": {
"ETHEREUM": {
"address": "0x43B343Bb48E23F58406271131B71448fF95787AD"
},
"POLYGON": {
"address": "0x43B343Bb48E23F58406271131B71448fF95787AD"
}
}
}
}Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
ID of the user
individual Date of birth in format yyyy-mm-dd.
Address of the user.
Show child attributes
The second part of the ISO 3166-2 subdivision code. This must be provided if the country has subdivisions.
An ISO 3166-2 code consists of two parts, separated by a hyphen (-):
US, CA, BR);Only provide the second part of the code (e.g., CA for California in US-CA, or SP for São Paulo in BR-SP).
Must be supplied for countries that use postal codes.
Three-letter alpha-3 country code as defined in the ISO 3166-1 spec.
IP address of the user.
ID of the signed agreement, fetched through the HIFI's Hosted Terms of Service Link POST /tos-link
Success
User ID
Data and time when the user was created
Show child attributes