Import leads from CSV into campaign

import requests
import json

url = "https://api.sendkit.ai/v1/campaigns/example_string/leads/import/csv"
headers = {
  "X-Api-Key": "YOUR_API_KEY",
  "Authorization": "Bearer YOUR_API_TOKEN"
}
data = {
  "file": "example_string"
}

response = requests.post(url, headers=headers, data=data)
print(response.json())

const formData = new FormData();
formData.append("file", "example_string");

const response = await fetch("https://api.sendkit.ai/v1/campaigns/example_string/leads/import/csv", {
  method: "POST",
  headers: {
  "X-Api-Key": "YOUR_API_KEY",
  "Authorization": "Bearer YOUR_API_TOKEN"
},
  body: formData
});

const data = await response.json();
console.log(data);

package main

import (
    "fmt"
    "net/http"
    "bytes"
    "mime/multipart"
)

func main() {
    body := &bytes.Buffer{}
    writer := multipart.NewWriter(body)
    writer.WriteField("file", "example_string")
    writer.Close()

    req, err := http.NewRequest("POST", "https://api.sendkit.ai/v1/campaigns/example_string/leads/import/csv", body)
    if err != nil {
        panic(err)
    }

    req.Header.Set("X-Api-Key", "YOUR_API_KEY")
    req.Header.Set("Authorization", "Bearer YOUR_API_TOKEN")
    req.Header.Set("Content-Type", writer.FormDataContentType())

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    fmt.Println("Response Status:", resp.Status)
}

require 'net/http'
require 'json'

uri = URI('https://api.sendkit.ai/v1/campaigns/example_string/leads/import/csv')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Post.new(uri)
request['X-Api-Key'] = 'YOUR_API_KEY'
request['Authorization'] = 'Bearer YOUR_API_TOKEN'
request.set_form([
  ["file", "example_string"]
], 'multipart/form-data')

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

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "CSV file is required"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "CSV file is empty"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Maximum 50,000 leads per CSV"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "No email column detected"
  }
}

{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Campaign not found"
  }
}