curl --request PUT \
  --url https://api.voucher-staging.allride.io/partner/v1/branding/workspace \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "primaryColor": "#c8102e",
  "secondaryColor": null,
  "backgroundColor": "#ffffff",
  "surfaceColor": "#f5f5f5",
  "textColor": "#1a1a1a",
  "accentColor": null,
  "buttonColor": "#c8102e",
  "buttonTextColor": "#ffffff",
  "buttonBorderColor": null,
  "logoAssetId": 3095,
  "logoDarkAssetId": null,
  "iconAssetId": null,
  "heroImageAssetId": null,
  "faviconAssetId": null,
  "emailLogoAssetId": null,
  "fontFamily": "source-sans-3",
  "cornerRadius": "md",
  "extensions": null,
  "landing": {
    "title": {
      "de": "Ihre Mobilitätsgutscheine",
      "en": "Your mobility vouchers"
    },
    "intro": {
      "de": "Wählen Sie einen Anbieter.",
      "en": "Choose a provider."
    },
    "termsUrl": "https://www.example-transit.example.com/vouchers/terms",
    "privacyUrl": "https://www.example-transit.example.com/privacy",
    "imprintUrl": "https://www.example-transit.example.com/imprint",
    "supportEmail": "[email protected]",
    "supportUrl": null,
    "footerText": null,
    "showProviderSearch": true,
    "look": "vibrant",
    "botProtection": "turnstile"
  }
}
'

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    primaryColor: '#c8102e',
    secondaryColor: null,
    backgroundColor: '#ffffff',
    surfaceColor: '#f5f5f5',
    textColor: '#1a1a1a',
    accentColor: null,
    buttonColor: '#c8102e',
    buttonTextColor: '#ffffff',
    buttonBorderColor: null,
    logoAssetId: 3095,
    logoDarkAssetId: null,
    iconAssetId: null,
    heroImageAssetId: null,
    faviconAssetId: null,
    emailLogoAssetId: null,
    fontFamily: 'source-sans-3',
    cornerRadius: 'md',
    extensions: null,
    landing: {
      title: {de: 'Ihre Mobilitätsgutscheine', en: 'Your mobility vouchers'},
      intro: {de: 'Wählen Sie einen Anbieter.', en: 'Choose a provider.'},
      termsUrl: 'https://www.example-transit.example.com/vouchers/terms',
      privacyUrl: 'https://www.example-transit.example.com/privacy',
      imprintUrl: 'https://www.example-transit.example.com/imprint',
      supportEmail: '[email protected]',
      supportUrl: null,
      footerText: null,
      showProviderSearch: true,
      look: 'vibrant',
      botProtection: 'turnstile'
    }
  })
};

fetch('https://api.voucher-staging.allride.io/partner/v1/branding/workspace', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.voucher-staging.allride.io/partner/v1/branding/workspace"

payload = {
    "primaryColor": "#c8102e",
    "secondaryColor": None,
    "backgroundColor": "#ffffff",
    "surfaceColor": "#f5f5f5",
    "textColor": "#1a1a1a",
    "accentColor": None,
    "buttonColor": "#c8102e",
    "buttonTextColor": "#ffffff",
    "buttonBorderColor": None,
    "logoAssetId": 3095,
    "logoDarkAssetId": None,
    "iconAssetId": None,
    "heroImageAssetId": None,
    "faviconAssetId": None,
    "emailLogoAssetId": None,
    "fontFamily": "source-sans-3",
    "cornerRadius": "md",
    "extensions": None,
    "landing": {
        "title": {
            "de": "Ihre Mobilitätsgutscheine",
            "en": "Your mobility vouchers"
        },
        "intro": {
            "de": "Wählen Sie einen Anbieter.",
            "en": "Choose a provider."
        },
        "termsUrl": "https://www.example-transit.example.com/vouchers/terms",
        "privacyUrl": "https://www.example-transit.example.com/privacy",
        "imprintUrl": "https://www.example-transit.example.com/imprint",
        "supportEmail": "[email protected]",
        "supportUrl": None,
        "footerText": None,
        "showProviderSearch": True,
        "look": "vibrant",
        "botProtection": "turnstile"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

HttpResponse<String> response = Unirest.put("https://api.voucher-staging.allride.io/partner/v1/branding/workspace")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"primaryColor\": \"#c8102e\",\n  \"secondaryColor\": null,\n  \"backgroundColor\": \"#ffffff\",\n  \"surfaceColor\": \"#f5f5f5\",\n  \"textColor\": \"#1a1a1a\",\n  \"accentColor\": null,\n  \"buttonColor\": \"#c8102e\",\n  \"buttonTextColor\": \"#ffffff\",\n  \"buttonBorderColor\": null,\n  \"logoAssetId\": 3095,\n  \"logoDarkAssetId\": null,\n  \"iconAssetId\": null,\n  \"heroImageAssetId\": null,\n  \"faviconAssetId\": null,\n  \"emailLogoAssetId\": null,\n  \"fontFamily\": \"source-sans-3\",\n  \"cornerRadius\": \"md\",\n  \"extensions\": null,\n  \"landing\": {\n    \"title\": {\n      \"de\": \"Ihre Mobilitätsgutscheine\",\n      \"en\": \"Your mobility vouchers\"\n    },\n    \"intro\": {\n      \"de\": \"Wählen Sie einen Anbieter.\",\n      \"en\": \"Choose a provider.\"\n    },\n    \"termsUrl\": \"https://www.example-transit.example.com/vouchers/terms\",\n    \"privacyUrl\": \"https://www.example-transit.example.com/privacy\",\n    \"imprintUrl\": \"https://www.example-transit.example.com/imprint\",\n    \"supportEmail\": \"[email protected]\",\n    \"supportUrl\": null,\n    \"footerText\": null,\n    \"showProviderSearch\": true,\n    \"look\": \"vibrant\",\n    \"botProtection\": \"turnstile\"\n  }\n}")
  .asString();

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.voucher-staging.allride.io/partner/v1/branding/workspace"

	payload := strings.NewReader("{\n  \"primaryColor\": \"#c8102e\",\n  \"secondaryColor\": null,\n  \"backgroundColor\": \"#ffffff\",\n  \"surfaceColor\": \"#f5f5f5\",\n  \"textColor\": \"#1a1a1a\",\n  \"accentColor\": null,\n  \"buttonColor\": \"#c8102e\",\n  \"buttonTextColor\": \"#ffffff\",\n  \"buttonBorderColor\": null,\n  \"logoAssetId\": 3095,\n  \"logoDarkAssetId\": null,\n  \"iconAssetId\": null,\n  \"heroImageAssetId\": null,\n  \"faviconAssetId\": null,\n  \"emailLogoAssetId\": null,\n  \"fontFamily\": \"source-sans-3\",\n  \"cornerRadius\": \"md\",\n  \"extensions\": null,\n  \"landing\": {\n    \"title\": {\n      \"de\": \"Ihre Mobilitätsgutscheine\",\n      \"en\": \"Your mobility vouchers\"\n    },\n    \"intro\": {\n      \"de\": \"Wählen Sie einen Anbieter.\",\n      \"en\": \"Choose a provider.\"\n    },\n    \"termsUrl\": \"https://www.example-transit.example.com/vouchers/terms\",\n    \"privacyUrl\": \"https://www.example-transit.example.com/privacy\",\n    \"imprintUrl\": \"https://www.example-transit.example.com/imprint\",\n    \"supportEmail\": \"[email protected]\",\n    \"supportUrl\": null,\n    \"footerText\": null,\n    \"showProviderSearch\": true,\n    \"look\": \"vibrant\",\n    \"botProtection\": \"turnstile\"\n  }\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))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.voucher-staging.allride.io/partner/v1/branding/workspace",
  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([
    'primaryColor' => '#c8102e',
    'secondaryColor' => null,
    'backgroundColor' => '#ffffff',
    'surfaceColor' => '#f5f5f5',
    'textColor' => '#1a1a1a',
    'accentColor' => null,
    'buttonColor' => '#c8102e',
    'buttonTextColor' => '#ffffff',
    'buttonBorderColor' => null,
    'logoAssetId' => 3095,
    'logoDarkAssetId' => null,
    'iconAssetId' => null,
    'heroImageAssetId' => null,
    'faviconAssetId' => null,
    'emailLogoAssetId' => null,
    'fontFamily' => 'source-sans-3',
    'cornerRadius' => 'md',
    'extensions' => null,
    'landing' => [
        'title' => [
                'de' => 'Ihre Mobilitätsgutscheine',
                'en' => 'Your mobility vouchers'
        ],
        'intro' => [
                'de' => 'Wählen Sie einen Anbieter.',
                'en' => 'Choose a provider.'
        ],
        'termsUrl' => 'https://www.example-transit.example.com/vouchers/terms',
        'privacyUrl' => 'https://www.example-transit.example.com/privacy',
        'imprintUrl' => 'https://www.example-transit.example.com/imprint',
        'supportEmail' => '[email protected]',
        'supportUrl' => null,
        'footerText' => null,
        'showProviderSearch' => true,
        'look' => 'vibrant',
        'botProtection' => 'turnstile'
    ]
  ]),
  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;
}