curl --request POST \
  --url https://upay-sistema-api.onrender.com/api/affiliate/join/{programId} \
  --header 'API-Key: <api-key>'

{
  "message": "<string>",
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "code": "<string>",
    "programId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "affiliateId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "status": "ACTIVE",
    "clicks": 123,
    "conversions": 123,
    "totalEarnedCents": 123,
    "createdAt": "2023-11-07T05:31:56Z",
    "program": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "productId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "commissionType": "PERCENTAGE",
      "commissionValue": 123,
      "cookieDays": 123,
      "isActive": true,
      "description": "<string>",
      "rules": "<string>",
      "affiliatePage": "<string>",
      "salesPage": "<string>",
      "extendedCommission": true,
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "product": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "price": 123,
        "imageUrl": "<string>",
        "description": "<string>"
      },
      "user": {
        "name": "<string>"
      },
      "_count": {
        "links": 123
      }
    }
  }
}