curl --request PATCH \
  --url https://api.agentaos.ai/api/v1/gateway/payment-links/{id} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "amount": 59.99
}
'

import requests

url = "https://api.agentaos.ai/api/v1/gateway/payment-links/{id}"

payload = { "amount": 59.99 }
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({amount: 59.99})
};

fetch('https://api.agentaos.ai/api/v1/gateway/payment-links/{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.agentaos.ai/api/v1/gateway/payment-links/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'amount' => 59.99
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.agentaos.ai/api/v1/gateway/payment-links/{id}"

	payload := strings.NewReader("{\n  \"amount\": 59.99\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("x-api-key", "<api-key>")
	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.patch("https://api.agentaos.ai/api/v1/gateway/payment-links/{id}")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 59.99\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.agentaos.ai/api/v1/gateway/payment-links/{id}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount\": 59.99\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "org_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "secure_link_id": "<string>",
  "amount": 123,
  "currency": "<string>",
  "description": "<string>",
  "metadata": {},
  "checkout_fields": [
    {
      "key": "<string>",
      "label": "<string>",
      "required": true,
      "placeholder": "<string>",
      "options": [
        "<string>"
      ]
    }
  ],
  "webhook_url": "<string>",
  "success_url": "<string>",
  "cancel_url": "<string>",
  "tax_rate_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "payment_count": 123,
  "supported_networks": [
    "<string>"
  ],
  "expires_at": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "name": "<string>",
  "image_url": "<string>",
  "max_uses": 123,
  "checkoutUrl": "<string>"
}

{
  "statusCode": 400,
  "message": "amount is required when creating a session without a link",
  "timestamp": "2026-08-06T12:00:00.000Z"
}

{
  "statusCode": 401,
  "message": "Invalid API key",
  "timestamp": "2026-08-06T12:00:00.000Z"
}

{
  "statusCode": 403,
  "message": "Payment link belongs to another organization",
  "timestamp": "2026-08-06T12:00:00.000Z"
}

{
  "statusCode": 404,
  "message": "Payment link not found",
  "timestamp": "2026-08-06T12:00:00.000Z"
}