> ## Documentation Index
> Fetch the complete documentation index at: https://docs.omocaptcha.com/llms.txt
> Use this file to discover all available pages before exploring further.
# AmznSelectObjectTask
> Solve Amazon object-selection captcha (3x3 grid)
Object-selection is a common Amazon captcha. The user must select every tile matching the question topic from a 3x3 image grid.
## 1. Create task
**Request**
```text theme={null}
POST https://api.omocaptcha.com/v2/createTask
```
| Parameter | Type | Required | Description |
| ------------------ | -------- | :------: | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `clientKey` | `String` | ✅ | Client account key |
| `task.type` | `String` | ✅ | Captcha service class name. Value: `AmznSelectObjectTask` |
| `task.imageBase64` | `String` | ✅ | Base64-encoded 3x3 grid image
|
| `task.other` | `String` | ✅ | Captcha question text (e.g. `the bags`)
|
```bash cURL theme={null}
curl -X POST https://api.omocaptcha.com/v2/createTask \
-H "Content-Type: application/json" \
-d '{
"clientKey": "OMO_API_KEY",
"task": {
"type": "AmznSelectObjectTask",
"imageBase64": "BASE64_BODY_HERE",
"other": "the bags"
}
}'
```
```javascript Node.js theme={null}
const axios = require('axios');
const { data } = await axios.post('https://api.omocaptcha.com/v2/createTask', {
clientKey: 'OMO_API_KEY',
task: {
type: 'AmznSelectObjectTask',
imageBase64: 'BASE64_BODY_HERE',
other: 'the bags'
}
});
console.log(data);
```
```python Python theme={null}
import requests
res = requests.post('https://api.omocaptcha.com/v2/createTask', json={
'clientKey': 'OMO_API_KEY',
'task': {
'type': 'AmznSelectObjectTask',
'imageBase64': 'BASE64_BODY_HERE',
'other': 'the bags'
}
})
print(res.json())
```
```php PHP theme={null}
'OMO_API_KEY',
'task' => [
'type' => 'AmznSelectObjectTask',
'imageBase64' => 'BASE64_BODY_HERE',
'other' => 'the bags'
]
]));
$response = curl_exec($ch);
curl_close($ch);
echo $response;
```
**Response**
Success:
```json theme={null}
{
"errorId": 0,
"taskId": "49f9f60a-c809-4af0-93c0-0409b72e67e0"
}
```
The server returns `errorId = 0` and a `taskId` on success.
Failure:
```json theme={null}
{
"errorId": 1,
"errorCode": "",
"errorDescription": ""
}
```
The server returns `errorId = 1` together with the corresponding `errorCode`.
## 2. Get task result
**Request**
```text theme={null}
POST https://api.omocaptcha.com/v2/getTaskResult
```
```json theme={null}
{
"clientKey": "OMO_API_KEY",
"taskId": "49f9f60a-c809-4af0-93c0-0409b72e67e0"
}
```
**Response**
Success:
```json theme={null}
{
"errorId": 0,
"status": "ready",
"solution": {
"objects": [0, 1, 2, 3]
}
}
```
The server returns `errorId = 0` and `status = ready`. Read the result from `solution`.
The `objects` array contains the indices of the tiles to click in the 3x3 grid, numbered **0 to 8**, from **left to right, top to bottom**:
```text theme={null}
0 | 1 | 2
3 | 4 | 5
6 | 7 | 8
```
After clicking the matching tiles, press the **Confirm** button to submit.
Processing:
```json theme={null}
{
"status": "processing",
"errorId": 0,
"errorCode": "",
"errorDescription": ""
}
```
The server returns `errorId = 0` and `status = processing`. Wait 2 seconds and try again.
Failure:
```json theme={null}
{
"errorId": 1,
"errorCode": "ERROR_JOB_STATUS",
"errorDescription": "Job failed",
"status": "fail",
"solution": {}
}
```
The server returns `errorId = 1` when the job fails.