> For the complete documentation index, see [llms.txt](https://apidocs.nhanh.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apidocs.nhanh.vn/v3/vpage/marketing/fb_ad_upload_image.md).

# Upload Facebook Ad image

* API này upload ảnh lên Facebook lấy imageHash, dùng để tạo ảnh cho quảng cáo, VD gửi [Facebook Marketing Message](/v3/vpage/marketing/fmm_campaign_create.md).

## Request

```curl
curl --location 'https://vpage.open.nhanh.vn/v3.0/marketing/fbaduploadimage?appId={{appId}}&businessId={{businessId}}' \
--header 'Authorization: {{accessToken}}' \
--data '{
  "bytes": "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII...",
  "adAccountId": "act_12345678",
  "pageId": "98764321"
}'
```

| Tham số           | Kiểu dữ liệu | Bắt buộc | Mô tả                                                                          |
| ----------------- | ------------ | -------- | ------------------------------------------------------------------------------ |
| **`bytes`**       | string       | Có       | Chuỗi base64 của tệp ảnh (giới hạn dung lượng tối đa **10MB** sau khi decode). |
| **`adAccountId`** | string       | Có       | ID tài khoản quảng cáo của Facebook (Ví dụ: `act_12345678`).                   |
| **`pageId`**      | string       | Có       | ID Trang Facebook.                                                             |

## Response

* Xem cấu trúc chung [tại đây](/v3/readme.md#response).

### Failed response

* Xem các mã lỗi chung [tại đây](/v3/readme.md#failed-response).

### Successful response

```json
{
  "code": 1,
  "data": {
      "imageHash": "(string)",
  }
}
```


---

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