curl --request GET \
--url https://api.withflex.com/v1/setup_intents/{id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.withflex.com/v1/setup_intents/{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{
"subscription": "fsub_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"setup_intent_id": "fseti_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"client_secret": "string",
"customer": "fcus_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"description": "Premium SPF 50 mineral sunscreen",
"payment_method": "fpm_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"partner_id": "facct_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"metadata": {
"order_id": "8842",
"channel": "shopify"
},
"created_at": "2026-06-15T14:30:00Z",
"test_mode": false,
"status": "requires_payment_method",
"usage": "off_session",
"subscription_id": "fsub_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
}{
"code": "string",
"detail": "string"
}{
"code": "string",
"detail": "string"
}{
"code": "string",
"detail": "string"
}{
"code": "string",
"detail": "string"
}{
"detail": [
{
"loc": [
"string"
],
"msg": "string",
"type": "string"
}
]
}{
"code": "string",
"detail": "string"
}Get Setup Intent
Retrieves the details of an existing SetupIntent.
The response includes a fresh client_secret for confirming the SetupIntent from
your frontend. Pass expand=subscription to inline the associated Subscription, when one exists.
curl --request GET \
--url https://api.withflex.com/v1/setup_intents/{id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{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.withflex.com/v1/setup_intents/{id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.withflex.com/v1/setup_intents/{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{
"subscription": "fsub_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"setup_intent_id": "fseti_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"client_secret": "string",
"customer": "fcus_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"description": "Premium SPF 50 mineral sunscreen",
"payment_method": "fpm_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"partner_id": "facct_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
"metadata": {
"order_id": "8842",
"channel": "shopify"
},
"created_at": "2026-06-15T14:30:00Z",
"test_mode": false,
"status": "requires_payment_method",
"usage": "off_session",
"subscription_id": "fsub_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
}{
"code": "string",
"detail": "string"
}{
"code": "string",
"detail": "string"
}{
"code": "string",
"detail": "string"
}{
"code": "string",
"detail": "string"
}{
"detail": [
{
"loc": [
"string"
],
"msg": "string",
"type": "string"
}
]
}{
"code": "string",
"detail": "string"
}Authorizations
Use a Bearer token to access this API.
Path Parameters
"fseti_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
Query Parameters
Comma-separated list of fields to expand (e.g., "subscription").
""
Response
SetupIntent response with expandable subscription
SetupIntent response with expandable subscription
The unique identifier for the object.
"fseti_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
The ID of the account this SetupIntent belongs to.
"facct_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
Time at which the object was created. ISO 8601 format.
"2026-06-15T14:30:00Z"
Whether or not the setup intent is in test mode.
false
The current status of the setup intent.
requires_payment_method, requires_confirmation, requires_action, processing, succeeded, canceled "requires_payment_method"
Indicates how the payment method is intended to be used in the future.
off_session, on_session "off_session"
The subscription this SetupIntent is associated with (expandable).
"fsub_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
The client secret used to confirm this SetupIntent from your frontend. Present when the SetupIntent is retrieved or created; null when it appears in a list response. Treat it as sensitive: do not log or store it, and expose it only to the customer over TLS.
The Customer this SetupIntent belongs to; returned as the ID by default and expandable to the full object.
"fcus_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
An arbitrary string attached to the setup intent.
"Premium SPF 50 mineral sunscreen"
Payment method used with this SetupIntent.
"fpm_01J9XR8M3K7VZ8N2YB4WJ6T0RA"
Set of key-value pairs that you can attach to an object. This can be useful for storing additional information about the object in a structured format.
Show child attributes
Show child attributes
{ "order_id": "8842", "channel": "shopify" }
The ID of the Subscription this SetupIntent is associated with (for payment method updates).
"fsub_01J9XR8M3K7VZ8N2YB4WJ6T0RA"