curl --request POST \
  --url https://api.withflex.com/v1/payment_links \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "payment_link": {
    "label": "Example",
    "shipping_address_collection": false,
    "shipping_options": {},
    "metadata": {
      "order_id": "8842",
      "channel": "shopify"
    },
    "payment_intent_data": {},
    "after_completion": {},
    "allow_promotion_codes": false,
    "origin": "shopify",
    "tax_rate": {},
    "mode": "payment",
    "setup_future_use": "on_session"
  }
}
'

import requests

url = "https://api.withflex.com/v1/payment_links"

payload = { "payment_link": {
        "label": "Example",
        "shipping_address_collection": False,
        "shipping_options": {},
        "metadata": {
            "order_id": "8842",
            "channel": "shopify"
        },
        "payment_intent_data": {},
        "after_completion": {},
        "allow_promotion_codes": False,
        "origin": "shopify",
        "tax_rate": {},
        "mode": "payment",
        "setup_future_use": "on_session"
    } }
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({
    payment_link: {
      label: 'Example',
      shipping_address_collection: false,
      shipping_options: {},
      metadata: {order_id: '8842', channel: 'shopify'},
      payment_intent_data: {},
      after_completion: {},
      allow_promotion_codes: false,
      origin: 'shopify',
      tax_rate: {},
      mode: 'payment',
      setup_future_use: 'on_session'
    }
  })
};

fetch('https://api.withflex.com/v1/payment_links', 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/payment_links",
  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([
    'payment_link' => [
        'label' => 'Example',
        'shipping_address_collection' => false,
        'shipping_options' => [
                
        ],
        'metadata' => [
                'order_id' => '8842',
                'channel' => 'shopify'
        ],
        'payment_intent_data' => [
                
        ],
        'after_completion' => [
                
        ],
        'allow_promotion_codes' => false,
        'origin' => 'shopify',
        'tax_rate' => [
                
        ],
        'mode' => 'payment',
        'setup_future_use' => 'on_session'
    ]
  ]),
  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.withflex.com/v1/payment_links"

	payload := strings.NewReader("{\n  \"payment_link\": {\n    \"label\": \"Example\",\n    \"shipping_address_collection\": false,\n    \"shipping_options\": {},\n    \"metadata\": {\n      \"order_id\": \"8842\",\n      \"channel\": \"shopify\"\n    },\n    \"payment_intent_data\": {},\n    \"after_completion\": {},\n    \"allow_promotion_codes\": false,\n    \"origin\": \"shopify\",\n    \"tax_rate\": {},\n    \"mode\": \"payment\",\n    \"setup_future_use\": \"on_session\"\n  }\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.withflex.com/v1/payment_links")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"payment_link\": {\n    \"label\": \"Example\",\n    \"shipping_address_collection\": false,\n    \"shipping_options\": {},\n    \"metadata\": {\n      \"order_id\": \"8842\",\n      \"channel\": \"shopify\"\n    },\n    \"payment_intent_data\": {},\n    \"after_completion\": {},\n    \"allow_promotion_codes\": false,\n    \"origin\": \"shopify\",\n    \"tax_rate\": {},\n    \"mode\": \"payment\",\n    \"setup_future_use\": \"on_session\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.withflex.com/v1/payment_links")

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  \"payment_link\": {\n    \"label\": \"Example\",\n    \"shipping_address_collection\": false,\n    \"shipping_options\": {},\n    \"metadata\": {\n      \"order_id\": \"8842\",\n      \"channel\": \"shopify\"\n    },\n    \"payment_intent_data\": {},\n    \"after_completion\": {},\n    \"allow_promotion_codes\": false,\n    \"origin\": \"shopify\",\n    \"tax_rate\": {},\n    \"mode\": \"payment\",\n    \"setup_future_use\": \"on_session\"\n  }\n}"

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

{
  "payment_link": {
    "payment_link_id": "fplink_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
    "label": "Example",
    "active": false,
    "allow_promotion_codes": false,
    "shipping_address_collection": false,
    "shipping_options": {},
    "metadata": {
      "order_id": "8842",
      "channel": "shopify"
    },
    "url": "https://example.com",
    "created_at": "2026-06-15T14:30:00Z",
    "payment_intent_data": {},
    "after_completion": {},
    "origin": "shopify",
    "tax_rate": {},
    "setup_future_use": "on_session",
    "test_mode": false
  }
}

{
  "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"
}