curl --request POST \
  --url https://api.sandbox.svrn.digital/due-diligence/init \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "artist": {
    "customer_id": "11111111-1111-1111-1111-111111111111"
  },
  "label": {
    "customer_id": "22222222-2222-2222-2222-222222222222"
  },
  "isrcs": [
    {
      "isrc": "USRC17607839",
      "artist_split_percentage": "65.25",
      "dsp_statements": [
        {
          "channel": "spotify",
          "format": "csv"
        }
      ]
    }
  ]
}
'

import requests

url = "https://api.sandbox.svrn.digital/due-diligence/init"

payload = {
    "artist": { "customer_id": "11111111-1111-1111-1111-111111111111" },
    "label": { "customer_id": "22222222-2222-2222-2222-222222222222" },
    "isrcs": [
        {
            "isrc": "USRC17607839",
            "artist_split_percentage": "65.25",
            "dsp_statements": [
                {
                    "channel": "spotify",
                    "format": "csv"
                }
            ]
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    artist: {customer_id: '11111111-1111-1111-1111-111111111111'},
    label: {customer_id: '22222222-2222-2222-2222-222222222222'},
    isrcs: [
      {
        isrc: 'USRC17607839',
        artist_split_percentage: '65.25',
        dsp_statements: [{channel: 'spotify', format: 'csv'}]
      }
    ]
  })
};

fetch('https://api.sandbox.svrn.digital/due-diligence/init', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.sandbox.svrn.digital/due-diligence/init",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'artist' => [
        'customer_id' => '11111111-1111-1111-1111-111111111111'
    ],
    'label' => [
        'customer_id' => '22222222-2222-2222-2222-222222222222'
    ],
    'isrcs' => [
        [
                'isrc' => 'USRC17607839',
                'artist_split_percentage' => '65.25',
                'dsp_statements' => [
                                [
                                                                'channel' => 'spotify',
                                                                'format' => 'csv'
                                ]
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.sandbox.svrn.digital/due-diligence/init"

	payload := strings.NewReader("{\n  \"artist\": {\n    \"customer_id\": \"11111111-1111-1111-1111-111111111111\"\n  },\n  \"label\": {\n    \"customer_id\": \"22222222-2222-2222-2222-222222222222\"\n  },\n  \"isrcs\": [\n    {\n      \"isrc\": \"USRC17607839\",\n      \"artist_split_percentage\": \"65.25\",\n      \"dsp_statements\": [\n        {\n          \"channel\": \"spotify\",\n          \"format\": \"csv\"\n        }\n      ]\n    }\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))

}

HttpResponse<String> response = Unirest.post("https://api.sandbox.svrn.digital/due-diligence/init")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"artist\": {\n    \"customer_id\": \"11111111-1111-1111-1111-111111111111\"\n  },\n  \"label\": {\n    \"customer_id\": \"22222222-2222-2222-2222-222222222222\"\n  },\n  \"isrcs\": [\n    {\n      \"isrc\": \"USRC17607839\",\n      \"artist_split_percentage\": \"65.25\",\n      \"dsp_statements\": [\n        {\n          \"channel\": \"spotify\",\n          \"format\": \"csv\"\n        }\n      ]\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.svrn.digital/due-diligence/init")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"artist\": {\n    \"customer_id\": \"11111111-1111-1111-1111-111111111111\"\n  },\n  \"label\": {\n    \"customer_id\": \"22222222-2222-2222-2222-222222222222\"\n  },\n  \"isrcs\": [\n    {\n      \"isrc\": \"USRC17607839\",\n      \"artist_split_percentage\": \"65.25\",\n      \"dsp_statements\": [\n        {\n          \"channel\": \"spotify\",\n          \"format\": \"csv\"\n        }\n      ]\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "due_diligence_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "status": "PENDING_UPLOADS",
  "contracts_preview": [
    {
      "isrc": "<string>",
      "artist_split_percentage": "<string>",
      "dsp_statements": [
        {
          "channel": "spotify",
          "format": "csv"
        }
      ]
    }
  ]
}

{
  "error": "MISSING_FIELD",
  "message": "artist.customer_id is required"
}

{
  "error": "MISSING_FIELD",
  "message": "artist.customer_id is required"
}

{
  "error": "MISSING_FIELD",
  "message": "artist.customer_id is required"
}

{
  "error": "MISSING_FIELD",
  "message": "artist.customer_id is required"
}