curl --request POST \
--url https://production.hifibridge.com/v2/users \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"type": "individual",
"firstName": "<string>",
"lastName": "<string>",
"email": "<string>",
"dateOfBirth": "2023-12-25",
"signedAgreementId": "<string>",
"requestId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"chains": [
"POLYGON"
],
"address": {
"addressLine1": "<string>",
"city": "<string>",
"stateProvinceRegion": "<string>",
"postalCode": "<string>",
"country": "<string>",
"addressLine2": "<string>"
},
"ipAddress": "127.0.0.1"
}
'{
"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"
}
}
}
}Create a new Hifi user (Individual/Business)
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 \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"type": "individual",
"firstName": "<string>",
"lastName": "<string>",
"email": "<string>",
"dateOfBirth": "2023-12-25",
"signedAgreementId": "<string>",
"requestId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"chains": [
"POLYGON"
],
"address": {
"addressLine1": "<string>",
"city": "<string>",
"stateProvinceRegion": "<string>",
"postalCode": "<string>",
"country": "<string>",
"addressLine2": "<string>"
},
"ipAddress": "127.0.0.1"
}
'{
"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.
individual Date of birth in format yyyy-mm-dd.
ID of the signed agreement, fetched through the HIFI's Hosted Terms of Service Link POST /tos-link
Request ID for user creation. If not provided, a random UUID will be generated. Using the same requestId will result in the same user being returned.
The chains to create wallets for, default to POLYGON and ETHEREUM.
POLYGON, ETHEREUM, SOLANA, BASE Address of the user.
Either the address or the ipAddress must be provided.
Show child attributes
IP address of the user.
Either the address or the ipAddress must be provided.