curl --request POST \
  --url https://sandbox.api.fin.com/v1/customers/individual \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "verification_type": "STANDARD",
  "basic_info": {
    "first_name": "John",
    "last_name": "Doe",
    "dob": "1990-01-15",
    "email": "john.doe@example.com",
    "phone": "+14155551234",
    "country_of_residence": "USA",
    "nationality": "USA",
    "tin": "123-45-6789"
  },
  "address": {
    "street": "123 Main St",
    "city": "New York",
    "state": "US-NY",
    "postal_code": "10001",
    "country": "USA"
  },
  "financial_profile": {
    "occupation_id": 1,
    "source_of_fund_id": 1,
    "purpose_id": 1,
    "monthly_volume_usd": 5000
  },
  "meta_data": {
    "customer_reference": "REF-12345"
  }
}
'

const url = 'https://sandbox.api.fin.com/v1/customers/individual';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    verification_type: 'STANDARD',
    basic_info: {
      first_name: 'John',
      last_name: 'Doe',
      dob: '1990-01-15',
      email: 'john.doe@example.com',
      phone: '+14155551234',
      country_of_residence: 'USA',
      nationality: 'USA',
      tin: '123-45-6789'
    },
    address: {
      street: '123 Main St',
      city: 'New York',
      state: 'US-NY',
      postal_code: '10001',
      country: 'USA'
    },
    financial_profile: {
      occupation_id: 1,
      source_of_fund_id: 1,
      purpose_id: 1,
      monthly_volume_usd: 5000
    },
    meta_data: {customer_reference: 'REF-12345'}
  })
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

HttpResponse<String> response = Unirest.post("https://sandbox.api.fin.com/v1/customers/individual")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"verification_type\": \"STANDARD\",\n  \"basic_info\": {\n    \"first_name\": \"John\",\n    \"last_name\": \"Doe\",\n    \"dob\": \"1990-01-15\",\n    \"email\": \"john.doe@example.com\",\n    \"phone\": \"+14155551234\",\n    \"country_of_residence\": \"USA\",\n    \"nationality\": \"USA\",\n    \"tin\": \"123-45-6789\"\n  },\n  \"address\": {\n    \"street\": \"123 Main St\",\n    \"city\": \"New York\",\n    \"state\": \"US-NY\",\n    \"postal_code\": \"10001\",\n    \"country\": \"USA\"\n  },\n  \"financial_profile\": {\n    \"occupation_id\": 1,\n    \"source_of_fund_id\": 1,\n    \"purpose_id\": 1,\n    \"monthly_volume_usd\": 5000\n  },\n  \"meta_data\": {\n    \"customer_reference\": \"REF-12345\"\n  }\n}")
  .asString();

import requests

url = "https://sandbox.api.fin.com/v1/customers/individual"

payload = {
    "verification_type": "STANDARD",
    "basic_info": {
        "first_name": "John",
        "last_name": "Doe",
        "dob": "1990-01-15",
        "email": "john.doe@example.com",
        "phone": "+14155551234",
        "country_of_residence": "USA",
        "nationality": "USA",
        "tin": "123-45-6789"
    },
    "address": {
        "street": "123 Main St",
        "city": "New York",
        "state": "US-NY",
        "postal_code": "10001",
        "country": "USA"
    },
    "financial_profile": {
        "occupation_id": 1,
        "source_of_fund_id": 1,
        "purpose_id": 1,
        "monthly_volume_usd": 5000
    },
    "meta_data": { "customer_reference": "REF-12345" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://sandbox.api.fin.com/v1/customers/individual"

	payload := strings.NewReader("{\n  \"verification_type\": \"STANDARD\",\n  \"basic_info\": {\n    \"first_name\": \"John\",\n    \"last_name\": \"Doe\",\n    \"dob\": \"1990-01-15\",\n    \"email\": \"john.doe@example.com\",\n    \"phone\": \"+14155551234\",\n    \"country_of_residence\": \"USA\",\n    \"nationality\": \"USA\",\n    \"tin\": \"123-45-6789\"\n  },\n  \"address\": {\n    \"street\": \"123 Main St\",\n    \"city\": \"New York\",\n    \"state\": \"US-NY\",\n    \"postal_code\": \"10001\",\n    \"country\": \"USA\"\n  },\n  \"financial_profile\": {\n    \"occupation_id\": 1,\n    \"source_of_fund_id\": 1,\n    \"purpose_id\": 1,\n    \"monthly_volume_usd\": 5000\n  },\n  \"meta_data\": {\n    \"customer_reference\": \"REF-12345\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "data": {
    "customer_id": "55bd6b4e-c20a-4cc8-9535-91d5557a67d9",
    "tos_policies_url": "https://orchestration.fin.com/orchestration-customer-tos?customer_id=55bd6b4e-c20a-4cc8-9535-91d5557a67d9&tos_policies_value=e9414388-fbdf-4407-b5c2-bc39eae3645b"
  }
}

{
  "message": "Authentication failed"
}

{
  "message": "<string>",
  "errors": [
    {}
  ]
}

{
  "message": "RELIANCE is not available for your client"
}