# Upload a new thumbnail

| HTTP method | Endpoint                              |
| ----------- | ------------------------------------- |
| **POST**    | **/v1/offers/{offer\_id}/thumbnails** |

## Path parameters <a href="#path-parameters" id="path-parameters"></a>

| Parameter | Description                  |
| --------- | ---------------------------- |
| offer\_id | The unique id for the offer. |

***Note:The format of the thumbnail uploaded should be image/png, image/gif, image/jpeg, and the pixel size must be between 160 to 500.***

## Request body parameters <a href="#request-body-parameters" id="request-body-parameters"></a>

| Field | Type | Description      | Nullable |
| ----- | ---- | ---------------- | -------- |
| file  | file | Upload the file. | No       |

## Response body parameters <a href="#response-body-parameters" id="response-body-parameters"></a>

| Field     | Type    | Description                                                   |
| --------- | ------- | ------------------------------------------------------------- |
| id        | integer | A string that uniquely identifies this thumbnail.             |
| offer\_id | integer | A string that uniquely identifies this offer.                 |
| url       | string  | The url of the thumbnail preview.                             |
| mime      | string  | content-type.                                                 |
| size      | integer | The size of the file in bytes.                                |
| width     | integer | The width of the image.                                       |
| height    | integer | The height of the image.                                      |
| filename  | string  | The name of the file that was uploaded, optionally passed in. |

## Example request <a href="#example-request" id="example-request"></a>

**Request POST** <https://{networkname}.api.offerslook.com/v1/offers/23/thumbnails>

**Request POST** <http://{networkname}.api.offerslook.com/v1/offers/23/thumbnails>

## Example response <a href="#example-response" id="example-response"></a>

```
    {
      "code": 0,
      "message": "Success",
      "data": {
        "offer_thumbnail": {
          "id": 87,
          "offer_id": 23,
          "url": "https://files.offerslook.com/offerslook-bucket/partner_40/campaign/thumb_logo_d66f5ac4e2484a55ab55881167988321.png",
          "mime": "image/png",
          "size": 3901,
          "width": 160,
          "height": 160,
          "filename": "logo.png"
        }
      }
    }
```


---

# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://offerslook-api.gitbook.io/api-documentation/networkapi/offers/sub-resources/thumbnails/upload_a_new_thumbnail.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.