curl --request POST \
--url https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"save_for_future": true
}
'import requests
url = "https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach"
payload = { "save_for_future": 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({save_for_future: true})
};
fetch('https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach', 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}/payment-methods/{pm_id}/attach",
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([
'save_for_future' => 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}/payment-methods/{pm_id}/attach"
payload := strings.NewReader("{\n \"save_for_future\": 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}/payment-methods/{pm_id}/attach")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"save_for_future\": true\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach")
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 \"save_for_future\": true\n}"
response = http.request(request)
puts response.read_body{
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"object": "payment_method",
"account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"method_type": "credit_card",
"is_default": true,
"is_verified": true,
"last4": "<string>",
"brand": "<string>",
"exp_month": 123,
"exp_year": 123,
"bank_name": "<string>",
"account_type": "<string>",
"stripe_payment_method_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"
}Step 2 -- Attach a confirmed Stripe PaymentMethod to the account
Called after client-side Stripe.js confirmation of the SetupIntent. Saves the PM to account_payment_methods and optionally links the Stripe customer. Idempotent via Idempotency-Key header.
curl --request POST \
--url https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"save_for_future": true
}
'import requests
url = "https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach"
payload = { "save_for_future": 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({save_for_future: true})
};
fetch('https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach', 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}/payment-methods/{pm_id}/attach",
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([
'save_for_future' => 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}/payment-methods/{pm_id}/attach"
payload := strings.NewReader("{\n \"save_for_future\": 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}/payment-methods/{pm_id}/attach")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"save_for_future\": true\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.arcuserp.com/v1/accounts/{id}/payment-methods/{pm_id}/attach")
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 \"save_for_future\": true\n}"
response = http.request(request)
puts response.read_body{
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"object": "payment_method",
"account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"method_type": "credit_card",
"is_default": true,
"is_verified": true,
"last4": "<string>",
"brand": "<string>",
"exp_month": 123,
"exp_year": 123,
"bank_name": "<string>",
"account_type": "<string>",
"stripe_payment_method_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"
}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.
Headers
Client-generated unique key for idempotent POST/PATCH/DELETE operations. Alias for the Idempotency parameter. Max 255 chars. On retry with the same key, the original response is returned without re-executing the operation. Keys expire after 24 hours.
255Path Parameters
Account ID
Stripe PaymentMethod ID (e.g. pm_xyz)
Body
Response
Payment method attached
A reusable payment instrument stored on an account (card, ACH bank account, etc.).
payment_method credit_card, debit_card, ach, wire, check_on_file, store_credit ACH microdeposit-verified or card-AVS-verified.
visa, mastercard, amex, etc.
checking / savings (ACH only).
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