curl -i -X POST \
  -u '<username>:<password>' \
  'https://provisioning.api.sinch.com/v1/projects/{projectId}/rcs/senders' \
  -H 'Authorization: Bearer <YOUR_TOKEN_HERE>' \
  -H 'Content-Type: application/json' \
  -d '{
    "region": "EU",
    "billingCategory": "CONVERSATIONAL",
    "useCase": "OTP",
    "details": {
      "brand": {
        "emails": [
          {
            "label": "label",
            "address": "test@test.com"
          },
          {
            "label": "label-1",
            "address": "test-1@test.com"
          },
          {
            "label": "label-2",
            "address": "test-2@test.com"
          }
        ],
        "phones": [
          {
            "label": "label",
            "number": "+48777777777"
          },
          {
            "label": "label-1",
            "number": "48888888888"
          },
          {
            "label": "label-2",
            "number": "+48999999999"
          }
        ],
        "websites": [
          {
            "label": "label",
            "url": "https://example.com"
          },
          {
            "label": "label-1",
            "url": "https://example-1.com"
          },
          {
            "label": "label-2",
            "url": "https://example-2.com"
          }
        ],
        "color": "#000000",
        "description": "Test description",
        "bannerUrl": "https://example-banner-url.com",
        "logoUrl": "https://example-logo-url.com",
        "privacyPolicyUrl": "https://example-private-policy-url.com",
        "termsOfServiceUrl": "https://example-terms-of-service-url.com",
        "name": "Test name"
      },
      "testNumbers": [
        "+48777777777"
      ],
      "countries": [
        "US"
      ],
      "questionnaire": {
        "general": {
          "answers": {
            "optInDescription": "By subscribing to a newsletter",
            "triggerDescription": "User actions (e.g. after making a purchase)",
            "interactionsDescription": "Billing or payment reminders,aef Order updates,aef Upon package delivery",
            "interactionsDescriptionMetadata": {
              "ignore": ",aef"
            },
            "optOutDescription": "We have registered your opt out request",
            "videoUris": [
              "https://example-video-url.com"
            ],
            "screenshotUris": [
              "https://example-screenshot-url.com"
            ]
          }
        },
        "verification": {
          "answers": {
            "name": "Exam Ple",
            "email": "email@example.com",
            "title": "Head Example",
            "website": "https://example.com",
            "phone": "+48777777777"
          }
        },
        "us": {
          "answers": {
            "ownershipType": "PUBLIC",
            "companyLegalName": "Example company legal name",
            "companyPhoneNumber": "+48777777777",
            "brandName": "Example brand name",
            "brandIndustry": "AGRICULTURE",
            "legalForm": "CORPORATION",
            "taxIdCountry": "US",
            "taxId": "12-3456789",
            "addressLine": "123 Main St",
            "addressCity": "Anytown",
            "addressCountry": "US",
            "addressState": "CA",
            "addressPostalCode": "12345",
            "websiteUrl": "https://example.com",
            "contactFirstName": "John",
            "contactSurname": "Doe",
            "stockExchange": "NASDAQ",
            "stockSymbol": "EXMPL",
            "sampleMessages": [
              "Sample message 1 for the US questionnaire.",
              "Sample message 2 for the US questionnaire."
            ],
            "messagesVolume": 10000,
            "embeddedLink": true,
            "embeddedPhone": true,
            "ageGatedContent": false,
            "directLending": false,
            "optInConfirmationMessage": "Thank you for opting in!",
            "helpMessage": "For help, contact support.",
            "callToActionMessage": "Click here to claim your special offer and explore our latest updates now."
          }
        }
      }
    }
  }'