Create Custom Field

curl --request POST \
  --url https://api.autosend.com/v1/custom-fields \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "fieldName": "company",
    "fieldType": "string"
  }'

import requests

url = "https://api.autosend.com/v1/custom-fields"

headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

payload = {
    "fieldName": "company",
    "fieldType": "string"
}

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

const response = await fetch("https://api.autosend.com/v1/custom-fields", {
  method: "POST",
  headers: {
    Authorization: "Bearer <token>",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    fieldName: "company",
    fieldType: "string",
  }),
});

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

<?php
$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.autosend.com/v1/custom-fields",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_POST => true,
  CURLOPT_POSTFIELDS => json_encode([
    "fieldName" => "company",
    "fieldType" => "string",
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
  ],
]);

$response = curl_exec($curl);
curl_close($curl);

echo $response;

package main

import (
  "bytes"
  "encoding/json"
  "fmt"
  "net/http"
  "io/ioutil"
)

func main() {
  payload, _ := json.Marshal(map[string]string{
    "fieldName": "company",
    "fieldType": "string",
  })

  req, _ := http.NewRequest("POST", "https://api.autosend.com/v1/custom-fields", bytes.NewBuffer(payload))
  req.Header.Set("Authorization", "Bearer <token>")
  req.Header.Set("Content-Type", "application/json")

  client := &http.Client{}
  resp, _ := client.Do(req)
  defer resp.Body.Close()

  body, _ := ioutil.ReadAll(resp.Body)
  fmt.Println(string(body))
}

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
  public static void main(String[] args) throws Exception {
    HttpClient client = HttpClient.newHttpClient();

    String body = """
      {
        "fieldName": "company",
        "fieldType": "string"
      }
      """;

    HttpRequest request = HttpRequest.newBuilder()
      .uri(URI.create("https://api.autosend.com/v1/custom-fields"))
      .header("Authorization", "Bearer <token>")
      .header("Content-Type", "application/json")
      .POST(HttpRequest.BodyPublishers.ofString(body))
      .build();

    HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
    System.out.println(response.body());
  }
}

require "net/http"
require "uri"
require "json"

uri = URI.parse("https://api.autosend.com/v1/custom-fields")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Post.new(uri)
request["Authorization"] = "Bearer <token>"
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  fieldName: "company",
  fieldType: "string"
})

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

{
  "success": true,
  "message": "Custom field created successfully",
  "data": {
    "id": "6960953e729f65f154369408",
    "fieldName": "company",
    "fieldType": "string",
    "projectId": "229f1f77bcf86cd9273048038",
    "createdAt": "2026-01-09T05:42:22.171Z",
    "updatedAt": "2026-01-09T05:42:22.171Z"
  }
}