PUT /api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/1 HTTP/1.1
Host: {instance}.domo.com
X-DOMO-Developer-Token: {token}
Content-Type: text/csv
Accept: application/json

Jae and Oleksii, why
hello, it is the way

curl --request PUT \
  --url https://{instance}.domo.com/api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/{part} \
  --header 'Content-Type: text/csv' \
  --header 'X-DOMO-Developer-Token: <api-key>' \
  --data 'Jae and Oleksii, why
hello, it is the way'

import requests

url = "https://{instance}.domo.com/api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/{part}"

payload = "Jae and Oleksii, why\nhello, it is the way"
headers = {
    "X-DOMO-Developer-Token": "<api-key>",
    "Content-Type": "text/csv"
}

response = requests.put(url, data=payload, headers=headers)

print(response.text)

const options = {
  method: 'PUT',
  headers: {'X-DOMO-Developer-Token': '<api-key>', 'Content-Type': 'text/csv'},
  body: 'Jae and Oleksii, why\nhello, it is the way'
};

fetch('https://{instance}.domo.com/api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/{part}', 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://{instance}.domo.com/api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/{part}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => "Jae and Oleksii, why\nhello, it is the way",
  CURLOPT_HTTPHEADER => [
    "Content-Type: text/csv",
    "X-DOMO-Developer-Token: <api-key>"
  ],
]);

$response = curl_exec($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://{instance}.domo.com/api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/{part}"

	payload := strings.NewReader("Jae and Oleksii, why\nhello, it is the way")

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

	req.Header.Add("X-DOMO-Developer-Token", "<api-key>")
	req.Header.Add("Content-Type", "text/csv")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.put("https://{instance}.domo.com/api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/{part}")
  .header("X-DOMO-Developer-Token", "<api-key>")
  .header("Content-Type", "text/csv")
  .body("Jae and Oleksii, why\nhello, it is the way")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{instance}.domo.com/api/data/v3/datasources/{datasetId}/uploads/{uploadId}/parts/{part}")

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

request = Net::HTTP::Put.new(url)
request["X-DOMO-Developer-Token"] = '<api-key>'
request["Content-Type"] = 'text/csv'
request.body = "Jae and Oleksii, why\nhello, it is the way"

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