Add a contact to an account

curl --request POST \
  --url https://api.arcuserp.com/v1/accounts/{id}/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "first_name": "<string>",
  "last_name": "<string>",
  "email": "<string>",
  "phone": "<string>",
  "phone_main": "<string>",
  "title": "<string>",
  "role": "<string>",
  "website": "<string>",
  "is_primary": true
}
'

import requests

url = "https://api.arcuserp.com/v1/accounts/{id}/contacts"

payload = {
    "first_name": "<string>",
    "last_name": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "phone_main": "<string>",
    "title": "<string>",
    "role": "<string>",
    "website": "<string>",
    "is_primary": True
}
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({
    first_name: '<string>',
    last_name: '<string>',
    email: '<string>',
    phone: '<string>',
    phone_main: '<string>',
    title: '<string>',
    role: '<string>',
    website: '<string>',
    is_primary: true
  })
};

fetch('https://api.arcuserp.com/v1/accounts/{id}/contacts', 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.arcuserp.com/v1/accounts/{id}/contacts",
  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([
    'first_name' => '<string>',
    'last_name' => '<string>',
    'email' => '<string>',
    'phone' => '<string>',
    'phone_main' => '<string>',
    'title' => '<string>',
    'role' => '<string>',
    'website' => '<string>',
    'is_primary' => true
  ]),
  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.arcuserp.com/v1/accounts/{id}/contacts"

	payload := strings.NewReader("{\n  \"first_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"email\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"phone_main\": \"<string>\",\n  \"title\": \"<string>\",\n  \"role\": \"<string>\",\n  \"website\": \"<string>\",\n  \"is_primary\": true\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.arcuserp.com/v1/accounts/{id}/contacts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"first_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"email\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"phone_main\": \"<string>\",\n  \"title\": \"<string>\",\n  \"role\": \"<string>\",\n  \"website\": \"<string>\",\n  \"is_primary\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.arcuserp.com/v1/accounts/{id}/contacts")

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  \"first_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"email\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"phone_main\": \"<string>\",\n  \"title\": \"<string>\",\n  \"role\": \"<string>\",\n  \"website\": \"<string>\",\n  \"is_primary\": true\n}"

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

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "first_name": "<string>",
    "last_name": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "title": "<string>",
    "website": "<string>",
    "is_primary": true,
    "external_source": "<string>",
    "external_id": "<string>",
    "created_at": "2023-11-07T05:31:56Z"
  }
}

{
  "error": "not_found",
  "code": "not_found",
  "type": "not_found",
  "hint": "The requested order does not exist or does not belong to this entity.",
  "param": "expand[0]",
  "required": "accounts:read",
  "request_id": "req_abc123"
}

{
  "error": "not_found",
  "code": "not_found",
  "type": "not_found",
  "hint": "The requested order does not exist or does not belong to this entity.",
  "param": "expand[0]",
  "required": "accounts:read",
  "request_id": "req_abc123"
}

{
  "error": "not_found",
  "code": "not_found",
  "type": "not_found",
  "hint": "The requested order does not exist or does not belong to this entity.",
  "param": "expand[0]",
  "required": "accounts:read",
  "request_id": "req_abc123"
}

POST

accounts

{id}

contacts

Add a contact to an account

curl --request POST \
  --url https://api.arcuserp.com/v1/accounts/{id}/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "first_name": "<string>",
  "last_name": "<string>",
  "email": "<string>",
  "phone": "<string>",
  "phone_main": "<string>",
  "title": "<string>",
  "role": "<string>",
  "website": "<string>",
  "is_primary": true
}
'

import requests

url = "https://api.arcuserp.com/v1/accounts/{id}/contacts"

payload = {
    "first_name": "<string>",
    "last_name": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "phone_main": "<string>",
    "title": "<string>",
    "role": "<string>",
    "website": "<string>",
    "is_primary": True
}
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({
    first_name: '<string>',
    last_name: '<string>',
    email: '<string>',
    phone: '<string>',
    phone_main: '<string>',
    title: '<string>',
    role: '<string>',
    website: '<string>',
    is_primary: true
  })
};

fetch('https://api.arcuserp.com/v1/accounts/{id}/contacts', 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.arcuserp.com/v1/accounts/{id}/contacts",
  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([
    'first_name' => '<string>',
    'last_name' => '<string>',
    'email' => '<string>',
    'phone' => '<string>',
    'phone_main' => '<string>',
    'title' => '<string>',
    'role' => '<string>',
    'website' => '<string>',
    'is_primary' => true
  ]),
  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.arcuserp.com/v1/accounts/{id}/contacts"

	payload := strings.NewReader("{\n  \"first_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"email\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"phone_main\": \"<string>\",\n  \"title\": \"<string>\",\n  \"role\": \"<string>\",\n  \"website\": \"<string>\",\n  \"is_primary\": true\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.arcuserp.com/v1/accounts/{id}/contacts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"first_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"email\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"phone_main\": \"<string>\",\n  \"title\": \"<string>\",\n  \"role\": \"<string>\",\n  \"website\": \"<string>\",\n  \"is_primary\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.arcuserp.com/v1/accounts/{id}/contacts")

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  \"first_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"email\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"phone_main\": \"<string>\",\n  \"title\": \"<string>\",\n  \"role\": \"<string>\",\n  \"website\": \"<string>\",\n  \"is_primary\": true\n}"

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

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "first_name": "<string>",
    "last_name": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "title": "<string>",
    "website": "<string>",
    "is_primary": true,
    "external_source": "<string>",
    "external_id": "<string>",
    "created_at": "2023-11-07T05:31:56Z"
  }
}

{
  "error": "not_found",
  "code": "not_found",
  "type": "not_found",
  "hint": "The requested order does not exist or does not belong to this entity.",
  "param": "expand[0]",
  "required": "accounts:read",
  "request_id": "req_abc123"
}

{
  "error": "not_found",
  "code": "not_found",
  "type": "not_found",
  "hint": "The requested order does not exist or does not belong to this entity.",
  "param": "expand[0]",
  "required": "accounts:read",
  "request_id": "req_abc123"
}

{
  "error": "not_found",
  "code": "not_found",
  "type": "not_found",
  "hint": "The requested order does not exist or does not belong to this entity.",
  "param": "expand[0]",
  "required": "accounts:read",
  "request_id": "req_abc123"
}

Authorizations

Authorization

string

header

required

API key issued per entity via Settings > Developers > API Keys. Each key carries scopes (e.g. orders:read, products:write). Bearer token format: Authorization: Bearer ark_live_ent_Test keys use ark_test_ent_. Both are issued per entity via Settings > Developers > API Keys.

Headers

Idempotency-Key

string

Maximum string length: 255

Path Parameters

string<uuid>

required

Body

application/json

Contact payload accepted by both standalone contact endpoints and the atomic-create path in POST /v1/accounts.

Field aliases (all paths, all operations):

role accepted as alias for title (public API convenience)
phone_main accepted as alias for phone

FIX 2026-05-15 (NEW-GAP-API-V1-ADDRESS-AND-CONTACT-FIELD-MAPPING-INCONSISTENT): Aliases now work in standalone POST/PATCH endpoints (previously only worked in atomic-create).

first_name

string | null

last_name

string | null

phone

string | null

Phone number. Also accepted as phone_main (alias).

phone_main

string | null

Alias for phone.

title

string | null

Job title or role. Also accepted as role (alias).

role

string | null

Alias for title.

website

string | null

is_primary

boolean

Response

Contact created

data

object

A person contact associated with an account.

Show child attributes

List contacts for an account Remove a contact from an account

Overview

All Endpoints

Add a contact to an account

Authorizations

Headers

Path Parameters

Body

Response