# Generate CSID and PCSID

Generates CSID and PCSID from ZATCA for the given Device ID.

{% hint style="warning" %}
**A new version is available!**

You can generate a Device ID, CSID, and PCSID, all in one go with the [Register Device API](https://docs.cleartax.in/cleartax-docs/e-invoicing-ksa-api/e-invoicing-ksa-api-reference/generating-e-invoice/generate-device-id).
{% endhint %}

### Request Method

POST

### Request URL

```
{{BASE_URL}}/onboarding/generate-csid
```

{% hint style="info" %}
Replace the `{{BASE_URL}}` with the one mentioned [here](https://docs.cleartax.in/cleartax-docs/e-invoicing-ksa-api/e-invoicing-ksa-api-reference) based on whether you are using sandbox or production.
{% endhint %}

### Request Headers

| Parameter             | Data Type | Field Validations | Description                                                                                                                                                      |
| --------------------- | --------- | ----------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| x-cleartax-auth-token | String    | Cannot be empty.  | Mandatory. [User auth token](https://docs.cleartax.in/cleartax-docs/e-invoicing-ksa-api/learn-e-invoicing-ksa-api-basics/how-to-get-e-invoicing-ksa-auth-token). |
| vat                   | String    | Cannot be empty   | Mandatory. VAT or Group VAT of the entity.                                                                                                                       |

### Request Path Params

There are no path parameters for this API.

### Request Query Params

There are no query parameters for this API.

### Request Body

| Parameter | Data Type | Field Validations      | Description                                                                                                              |
| --------- | --------- | ---------------------- | ------------------------------------------------------------------------------------------------------------------------ |
| DeviceId  | String    | Cannot be empty.       | Mandatory. The Device ID received in the Generate Device ID API.                                                         |
| Otp       | String    | Should be a valid OTP. | Mandatory. The one time password generated by the user on the ZATCA portal. OTP once generated is valid only for 1 hour. |

### Sample Request

```json
{
    "DeviceId": "4f190640-9b36-42e9-88d1-0c31a961898d",
    "Otp": "123345"
}
```

### Response Status Codes

| HTTP Status Code | Description                                                    |
| ---------------- | -------------------------------------------------------------- |
| 200              | For a successful CSID generation and PCSID generation trigger. |
| 400              | For any kind of validation issues.                             |
| 401              | If the user is not authenticated for the operation.            |
| 403              | If the user is not authorized for the operation.               |

### Response Schema

| Parameter                 | Data Type | Field Validations                           | Description                                                                                                                                                                      |
| ------------------------- | --------- | ------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Status                    | String    | <p>Enum: </p><p>GENERATED,</p><p>FAILED</p> | <p>Mandatory. CSID Generation Status.</p><p></p><p>GENERATED: CSID was generated successful. FAILED: CSID failed to generate (had validation errors).</p>                        |
| DeviceId                  | String    | NA                                          | Mandatory. Device ID sent in the request.                                                                                                                                        |
| PcsidGenerationActivityId | String    | MaxLength: 24                               | Optional. PCSID Generation Activity ID. Save this to poll status later using the Get PCSID Generation Status API.                                                                |
| ErrorList                 | Array     | NA                                          | Optional. Array of [Error Details objects](https://docs.cleartax.in/cleartax-docs/e-invoicing-ksa-api/e-invoicing-ksa-api-reference/resources-and-masters/error-details-object). |

### Sample Response

Success - HTTP Status Code - 200

```json
{
    "DeviceId": "e0649f12-011c-47ac-a867-651f38426450",
    "Status": "GENERATED",
    "PcsidGenerationActivityId": "62972e815bc1fa6cd2835c41",
    "ErrorList": []
}
```

Error - HTTP Status Code - 400

```json
{
    "DeviceId": "dac1aa05-92ba-4bd6-a834-b665e8f89930",
    "Status": "FAILED",
    "ErrorList": [
        {
            "ErrorCode": "6002",
            "ErrorMessage": "Production CSID already generated for device",
            "ErrorSource": "CLEARTAX"
        }
    ]
}
```

### API Validations

1. A PCSID should not have been already generated for the Device ID. This API is not idempotent. In case of a duplicate request, this will throw an exception.
2. A CSR should have been already created for the Device ID in ClearTax.

### API Constraints

1. This API needs to be authenticated with a valid user authentication token. If the auth token is not present or is invalid, the API will return HTTP Status Code 401.
2. If the auth token is valid, but the user does not have the authorization to generate device ID, then the API will return HTTP Status Code 403. The user, whose auth token is used, should have an Admin role for the particular VAT used in the request.