Subscription Payments
Send payment method update email to customer
Triggers Shopify to send an email to the subscription customer with a secure link to update their payment method. This endpoint initiates Shopify’s native payment update flow without requiring direct payment handling.
Key Features:
- Sends official Shopify payment update email to customer
- Customer receives secure link to Shopify-hosted payment update page
- No PCI compliance required - Shopify handles all payment data
- Supports all Shopify-supported payment methods
- Automatically updates subscription after customer completes the process
Process Flow:
- API call triggers email send request to Shopify
- Shopify sends branded email to customer’s registered email
- Customer clicks secure link in email
- Customer authenticates on Shopify-hosted page
- Customer adds/updates payment method
- Subscription automatically uses new payment method
Email Details:
- Sent from Shopify’s email servers
- Uses store’s configured sender email
- Subject line typically: “Update your payment method”
- Contains secure, time-limited link
- Shopify-branded with store information
Use Cases:
- Failed payment recovery
- Expiring credit card updates
- Customer-requested payment changes
- Proactive payment method maintenance
Important Notes:
- Customer must have valid email address
- Email cannot be customized (Shopify template)
- Link expiration time set by Shopify
- Multiple emails can be sent if needed
- No webhook for completion - poll contract for updates
Rate Limiting:
- Subject to Shopify’s email sending limits
- Recommended: Wait 24 hours between sends to same customer
- Excessive sends may be blocked by Shopify
Authentication: Requires valid X-API-Key header
PUT
/
api
/
external
/
v2
/
subscription-contracts-update-payment-method
Send payment method update email to customer
curl --request PUT \
--url https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method \
--header 'X-API-Key: <x-api-key>'import requests
url = "https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method"
headers = {"X-API-Key": "<x-api-key>"}
response = requests.put(url, headers=headers)
print(response.text)const options = {method: 'PUT', headers: {'X-API-Key': '<x-api-key>'}};
fetch('https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));const url = 'https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method';
const options = {method: 'PUT', headers: {'X-API-Key': '<x-api-key>'}};
fetch(url, options)
.then(res => res.json())
.then(json => console.log(json))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "PUT",
CURLOPT_HTTPHEADER => [
"X-API-Key: <x-api-key>"
],
]);
$response = curl_exec($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://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method"
req, _ := http.NewRequest("PUT", url, nil)
req.Header.Add("X-API-Key", "<x-api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}require 'uri'
require 'net/http'
url = URI("https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Put.new(url)
request["X-API-Key"] = '<x-api-key>'
response = http.request(request)
puts response.read_body{
"message": "Payment method update email sent successfully"
}Headers
API Key for authentication
Query Parameters
Subscription contract ID for payment method update. Must be a valid contract ID that belongs to the authenticated shop.
Required range:
x >= 1API Key (Deprecated - Use X-API-Key header instead)
Response
Payment update email sent successfully
⌘I
Send payment method update email to customer
curl --request PUT \
--url https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method \
--header 'X-API-Key: <x-api-key>'import requests
url = "https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method"
headers = {"X-API-Key": "<x-api-key>"}
response = requests.put(url, headers=headers)
print(response.text)const options = {method: 'PUT', headers: {'X-API-Key': '<x-api-key>'}};
fetch('https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));const url = 'https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method';
const options = {method: 'PUT', headers: {'X-API-Key': '<x-api-key>'}};
fetch(url, options)
.then(res => res.json())
.then(json => console.log(json))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "PUT",
CURLOPT_HTTPHEADER => [
"X-API-Key: <x-api-key>"
],
]);
$response = curl_exec($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://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method"
req, _ := http.NewRequest("PUT", url, nil)
req.Header.Add("X-API-Key", "<x-api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}require 'uri'
require 'net/http'
url = URI("https://subscription-admin.appstle.com/api/external/v2/subscription-contracts-update-payment-method")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Put.new(url)
request["X-API-Key"] = '<x-api-key>'
response = http.request(request)
puts response.read_body{
"message": "Payment method update email sent successfully"
}