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POST
/
v1
/
customers
/
individual
Copy of 
curl --request POST \
  --url https://{base_url}/v1/customers/individual \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "basic_info": {
    "first_name": "John",
    "last_name": "Doe",
    "dob": "1992-03-15",
    "email": "john.doe@example.com",
    "phone": "+14155552671",
    "country_of_residence": "USA",
    "nationality": "USA",
    "tin": "12-345-6789"
  },
  "address": {
    "street": "742 Evergreen Terrace",
    "city": "Springfield",
    "state": "IL",
    "postal_code": "62704",
    "country": "USA"
  },
  "financial_profile": {
    "occupation_id": 85,
    "source_of_fund_id": 9,
    "purpose_id": 4,
    "monthly_volume_usd": 3400.5
  },
  "meta_data": {
    "reference": "ref-johndoe-demo-2025"
  }
}
'
{
  "data": {
    "customer_id": "<string>",
    "tos_policies_url": "<string>>"
  }
}

Documentation Index

Fetch the complete documentation index at: https://developer.fin.com/llms.txt

Use this file to discover all available pages before exploring further.

Only English (Latin) characters are allowed as inputs for all fields.

​
Important Requirements

  • Email Address: Must be all lowercase or you will receive a validation error
  • RELIANCE Verification: If you attempt to use RELIANCE verification type but it’s not enabled for your client, you will receive a 423 error with message: “RELIANCE is not available for your client”

Headers

​
Authorization
string
default:Bearer {{client_access_token}}
required

Body

application/json
​
verification_type
enum<string>
default:STANDARD
required
Available options:
STANDARD,
RELIANCE
​
basic_info
object
required
​
address
object
required
​
financial_profile
object
required
​
meta_data
object

Response

Created

​
data
object