curl --request PUT \
  --url https://api.loyalty.dog/v2/giftcards/merchants/theme \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "presetId": "eposn-default",
  "primary": "#15803d",
  "primaryFg": "#ffffff",
  "sidebarBg": "#ffffff",
  "sidebarText": "#4b5563",
  "sidebarActiveBg": "#f0fdf4",
  "sidebarActiveText": "#15803d",
  "sidebarBadge": "#15803d",
  "background": "#f9fafb",
  "foreground": "#111827",
  "surface": "#ffffff",
  "border": "#e5e7eb",
  "muted": "#6b7280",
  "logoUrl": "<string>",
  "logoAlt": "<string>",
  "fontFamily": "<string>",
  "borderRadius": "lg"
}
'

import requests

url = "https://api.loyalty.dog/v2/giftcards/merchants/theme"

payload = {
    "presetId": "eposn-default",
    "primary": "#15803d",
    "primaryFg": "#ffffff",
    "sidebarBg": "#ffffff",
    "sidebarText": "#4b5563",
    "sidebarActiveBg": "#f0fdf4",
    "sidebarActiveText": "#15803d",
    "sidebarBadge": "#15803d",
    "background": "#f9fafb",
    "foreground": "#111827",
    "surface": "#ffffff",
    "border": "#e5e7eb",
    "muted": "#6b7280",
    "logoUrl": "<string>",
    "logoAlt": "<string>",
    "fontFamily": "<string>",
    "borderRadius": "lg"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    presetId: 'eposn-default',
    primary: '#15803d',
    primaryFg: '#ffffff',
    sidebarBg: '#ffffff',
    sidebarText: '#4b5563',
    sidebarActiveBg: '#f0fdf4',
    sidebarActiveText: '#15803d',
    sidebarBadge: '#15803d',
    background: '#f9fafb',
    foreground: '#111827',
    surface: '#ffffff',
    border: '#e5e7eb',
    muted: '#6b7280',
    logoUrl: '<string>',
    logoAlt: '<string>',
    fontFamily: '<string>',
    borderRadius: 'lg'
  })
};

fetch('https://api.loyalty.dog/v2/giftcards/merchants/theme', 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.loyalty.dog/v2/giftcards/merchants/theme",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'presetId' => 'eposn-default',
    'primary' => '#15803d',
    'primaryFg' => '#ffffff',
    'sidebarBg' => '#ffffff',
    'sidebarText' => '#4b5563',
    'sidebarActiveBg' => '#f0fdf4',
    'sidebarActiveText' => '#15803d',
    'sidebarBadge' => '#15803d',
    'background' => '#f9fafb',
    'foreground' => '#111827',
    'surface' => '#ffffff',
    'border' => '#e5e7eb',
    'muted' => '#6b7280',
    'logoUrl' => '<string>',
    'logoAlt' => '<string>',
    'fontFamily' => '<string>',
    'borderRadius' => 'lg'
  ]),
  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.loyalty.dog/v2/giftcards/merchants/theme"

	payload := strings.NewReader("{\n  \"presetId\": \"eposn-default\",\n  \"primary\": \"#15803d\",\n  \"primaryFg\": \"#ffffff\",\n  \"sidebarBg\": \"#ffffff\",\n  \"sidebarText\": \"#4b5563\",\n  \"sidebarActiveBg\": \"#f0fdf4\",\n  \"sidebarActiveText\": \"#15803d\",\n  \"sidebarBadge\": \"#15803d\",\n  \"background\": \"#f9fafb\",\n  \"foreground\": \"#111827\",\n  \"surface\": \"#ffffff\",\n  \"border\": \"#e5e7eb\",\n  \"muted\": \"#6b7280\",\n  \"logoUrl\": \"<string>\",\n  \"logoAlt\": \"<string>\",\n  \"fontFamily\": \"<string>\",\n  \"borderRadius\": \"lg\"\n}")

	req, _ := http.NewRequest("PUT", 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.put("https://api.loyalty.dog/v2/giftcards/merchants/theme")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"presetId\": \"eposn-default\",\n  \"primary\": \"#15803d\",\n  \"primaryFg\": \"#ffffff\",\n  \"sidebarBg\": \"#ffffff\",\n  \"sidebarText\": \"#4b5563\",\n  \"sidebarActiveBg\": \"#f0fdf4\",\n  \"sidebarActiveText\": \"#15803d\",\n  \"sidebarBadge\": \"#15803d\",\n  \"background\": \"#f9fafb\",\n  \"foreground\": \"#111827\",\n  \"surface\": \"#ffffff\",\n  \"border\": \"#e5e7eb\",\n  \"muted\": \"#6b7280\",\n  \"logoUrl\": \"<string>\",\n  \"logoAlt\": \"<string>\",\n  \"fontFamily\": \"<string>\",\n  \"borderRadius\": \"lg\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.loyalty.dog/v2/giftcards/merchants/theme")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"presetId\": \"eposn-default\",\n  \"primary\": \"#15803d\",\n  \"primaryFg\": \"#ffffff\",\n  \"sidebarBg\": \"#ffffff\",\n  \"sidebarText\": \"#4b5563\",\n  \"sidebarActiveBg\": \"#f0fdf4\",\n  \"sidebarActiveText\": \"#15803d\",\n  \"sidebarBadge\": \"#15803d\",\n  \"background\": \"#f9fafb\",\n  \"foreground\": \"#111827\",\n  \"surface\": \"#ffffff\",\n  \"border\": \"#e5e7eb\",\n  \"muted\": \"#6b7280\",\n  \"logoUrl\": \"<string>\",\n  \"logoAlt\": \"<string>\",\n  \"fontFamily\": \"<string>\",\n  \"borderRadius\": \"lg\"\n}"

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

{
  "theme": {
    "presetId": "eposn-default",
    "primary": "#15803d",
    "primaryFg": "#ffffff",
    "sidebarBg": "#ffffff",
    "sidebarText": "#4b5563",
    "sidebarActiveBg": "#f0fdf4",
    "sidebarActiveText": "#15803d",
    "sidebarBadge": "#15803d",
    "background": "#f9fafb",
    "foreground": "#111827",
    "surface": "#ffffff",
    "border": "#e5e7eb",
    "muted": "#6b7280",
    "logoUrl": "<string>",
    "logoAlt": "<string>",
    "fontFamily": "<string>",
    "borderRadius": "lg"
  },
  "validation": {},
  "performance": {
    "cssVarChanges": 123,
    "hasCustomFont": true,
    "hasLargeLogo": true,
    "issues": [
      {
        "severity": "<string>",
        "code": "<string>",
        "message": "<string>",
        "estimatedMs": 123
      }
    ],
    "score": 123
  }
}

{
  "error": "<string>",
  "issues": [
    {
      "field": "<string>",
      "severity": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ],
  "warnings": [
    {
      "field": "<string>",
      "severity": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}