curl --request POST \
  --url https://api.gominerva.com/custom-lists/v2/organizations/{orgId}/{listId}/uploads/file \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: multipart/form-data' \
  --form file=@example-file \
  --form 'record_id_column=<string>'

import requests

url = "https://api.gominerva.com/custom-lists/v2/organizations/{orgId}/{listId}/uploads/file"

files = { "file": ("example-file", open("example-file", "rb")) }
payload = { "record_id_column": "<string>" }
headers = {"Authorization": "<api-key>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('file', '<string>');
form.append('record_id_column', '<string>');

const options = {method: 'POST', headers: {Authorization: '<api-key>'}};

options.body = form;

fetch('https://api.gominerva.com/custom-lists/v2/organizations/{orgId}/{listId}/uploads/file', 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.gominerva.com/custom-lists/v2/organizations/{orgId}/{listId}/uploads/file",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"record_id_column\"\r\n\r\n<string>\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: multipart/form-data"
  ],
]);

$response = curl_exec($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.gominerva.com/custom-lists/v2/organizations/{orgId}/{listId}/uploads/file"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"record_id_column\"\r\n\r\n<string>\r\n-----011000010111000001101001--")

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

	req.Header.Add("Authorization", "<api-key>")

	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.gominerva.com/custom-lists/v2/organizations/{orgId}/{listId}/uploads/file")
  .header("Authorization", "<api-key>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"record_id_column\"\r\n\r\n<string>\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gominerva.com/custom-lists/v2/organizations/{orgId}/{listId}/uploads/file")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"record_id_column\"\r\n\r\n<string>\r\n-----011000010111000001101001--"

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

{
  "data": {
    "id": "5b4c3d2e-7f8a-4b5c-8d9e-7f6a5b4c3d2e",
    "tenant_id": "123e4567-e89b-12d3-a456-426614174000",
    "list_id": "3f2a1b0c-9d8e-4f7a-8b6c-5d4e3f2a1b0c",
    "status": "uploaded",
    "merge_mode": "full_replace",
    "record_id_column": "record_uid",
    "parsed_record_count": 1,
    "adds": 1,
    "updates": 0,
    "unchanged": 0,
    "archives": 0,
    "preview_rows": [],
    "validation_errors": [],
    "job_id": "6c5d4e3f-6a7b-4c4d-9e8f-8a7b6c5d4e3f",
    "created_by": "64b1c0de00000000000000a1",
    "created_at": "2026-11-05T20:35:23.282Z",
    "updated_at": "2026-11-05T20:35:23.282Z"
  }
}

merge_mode is required.

Missing Authorization: Api-Key or x-api-key header.

Custom list management is not enabled.

{
  "error": "upload_request_timeout",
  "message": "Custom List upload timed out before the request was complete.",
  "retryable": true
}

{
  "error": "limit_exceeded",
  "limit": "maxUploadFileSize",
  "max": 100000000,
  "message": "Custom list limit exceeded: maxUploadFileSize (maximum 100000000)."
}

{
  "error": "upload_capacity_exceeded",
  "message": "Custom List upload capacity is currently full. Please retry.",
  "retryable": true
}

Authentication service is unavailable.