Retrieve an account
curl --request GET \
--url https://api.arcuserp.com/v1/accounts/{id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.arcuserp.com/v1/accounts/{id}"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.arcuserp.com/v1/accounts/{id}', 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}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.arcuserp.com/v1/accounts/{id}"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.arcuserp.com/v1/accounts/{id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.arcuserp.com/v1/accounts/{id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"object": "account",
"entity_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"display_name": "<string>",
"company_name": "<string>",
"account_type": "business",
"account_number": "<string>",
"email": "<string>",
"phone_main": "<string>",
"phone_secondary": "<string>",
"phone_mobile": "<string>",
"website": "<string>",
"payment_term_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"credit_limit": 123,
"credit_balance": 123,
"is_credit_hold": true,
"tax_exempt": true,
"avatax_entity_code": "<string>",
"tax_number": "<string>",
"default_pricing_level_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"default_location_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"default_shipping_method": "<string>",
"shipping_preference": "always_freight",
"enable_pro_portal": true,
"is_active": true,
"notes": "<string>",
"metadata": {},
"stripe_customer_id": "<string>",
"source_platform": "<string>",
"external_customer_id": "<string>",
"created_at": "2023-11-07T05:31:56Z",
"updated_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"
}Accounts
Retrieve an account
Returns the full detail of a single account by UUID or account_number, including billing
and shipping addresses, primary contact, payment terms, assigned pricing level, tax
settings, and custom-field values. Use ?expand[]=contacts&expand[]=addresses to
hydrate nested collections inline without a second request.
Requires accounts:read scope.
Polymorphic path parameter: pass a UUID or an account_number (e.g. ACCT-001). If a non-UUID slug is provided it is resolved to the matching account UUID within the entity scope. Returns 404 if no account matches either form.
GET
/
accounts
/
{id}
Retrieve an account
curl --request GET \
--url https://api.arcuserp.com/v1/accounts/{id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.arcuserp.com/v1/accounts/{id}"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.arcuserp.com/v1/accounts/{id}', 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}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.arcuserp.com/v1/accounts/{id}"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.arcuserp.com/v1/accounts/{id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.arcuserp.com/v1/accounts/{id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"object": "account",
"entity_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"display_name": "<string>",
"company_name": "<string>",
"account_type": "business",
"account_number": "<string>",
"email": "<string>",
"phone_main": "<string>",
"phone_secondary": "<string>",
"phone_mobile": "<string>",
"website": "<string>",
"payment_term_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"credit_limit": 123,
"credit_balance": 123,
"is_credit_hold": true,
"tax_exempt": true,
"avatax_entity_code": "<string>",
"tax_number": "<string>",
"default_pricing_level_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"default_location_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"default_shipping_method": "<string>",
"shipping_preference": "always_freight",
"enable_pro_portal": true,
"is_active": true,
"notes": "<string>",
"metadata": {},
"stripe_customer_id": "<string>",
"source_platform": "<string>",
"external_customer_id": "<string>",
"created_at": "2023-11-07T05:31:56Z",
"updated_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
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.
Path Parameters
Account UUID or account_number (e.g. ACCT-001, CUST-00042). Polymorphic lookup: if the value is not a UUID it is resolved to a UUID via accounts.account_number within the entity scope before the record is fetched. (NEW-GAP-API-V1-POLYMORPHIC-LOOKUP-CROSS-RESOURCE 2026-05-20)
Query Parameters
Comma-separated list of relations to expand. Valid values - addresses, contacts, recent_orders.
Response
Account object
An Arcus ERP account. Represents a customer, vendor, lead, or individual. account_type drives AR vs AP behavior: business/individual/lead = customer (AR); vendor = supplier (AP). entity_id is always from the API key (Layer 1 isolation).
Show child attributes
Show child attributes
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