# Updates a line item

<span class="api-endpoint">PUT {{<a href="#urlbases">baseURL</a>}}/pay-int-api/line-items/{{lineItemId}}</span>
This endpoint updates the specified line item.
<span style="background-color:#e0e0e0; padding:8px 8px; border-radius:4px;">
Care must be taken to complete all the fields with the existing information.
</span>

Endpoint: PUT /pay-int-api/line-items/{lineItemId}
Version: V1
Security: Bearer

## Path parameters:

  - `lineItemId` (string, required)
    The ID of the line item to update.

## Header parameters:

  - `x-api-version` (string)

## Request fields (application/json):

  - `productName` (string)
    Indicates the name of the item.

Example: RollerMouse Wireless Mouse
    Example: RollerMouse Wireless Mouse

  - `description` (string)
    Indicates a description of the item.

Example: RollerMouse Design Collection, Limited Edition Wireless Mouse
    Example: RollerMouse Design Collection, Limited Edition Wireless Mouse

  - `sku` (string)
    Indicates the product identifier item.

Example: 24474771
    Example: 24474771

  - `unitPrice` (number)
    Indicates the unit price of the item.

Example: 18.99
    Example: 18.99

  - `unitTypeId` (integer)
    Indicates the identifier of the unit type.

This is a numeric identifier represents the unit of measure for the item.
Each supplier provides their own lookup value.
That value maps to a predefined unit type in their system.

Example: 1
    Example: 1

  - `categoryId` (string)
    Indicates the identifier of the item category.

Example: a2d1c4b5-6e7f-4890-9abc-1d2e3f4a5b67
    Example: a2d1c4b5-6e7f-4890-9abc-1d2e3f4a5b67

  - `taxRate` (number)
    Indicates the type of tax rate.
Example: 3.25 (as 3.25%)
    Example: 3.25

## Response 400 fields (application/json):

  - `details` (string)
    Indicates details about the error.

Example: Validation failed: -- Email: 'Email' is not a valid email address. Severity: Error
    Example: Validation failed: -- Email: 'Email' is not a valid email address. Severity: Error

  - `statusCode` (integer)
    Specifies the HTTP response status code.
This is the HTTP status code returned by the attempted delivery.
The following is a list of HTTP response status codes that include but are not limited to:
| HTTP Status | Meaning |
|  --- | --- |
| 200 | Delivery succeeded |
| 400 | Bad request |
| 401 | Unauthorized |
| 404 | Endpoint not found |
| 429 | Rate limited |

Example: 401
    Example: 401

  - `source` (string)
    Indicates the source of the error.
Example: <Service>
    Example: <Service>

  - `exceptionType` (string)
    Indicates the error's exception type.

Example: FluentValidation.ValidationException
    Example: FluentValidation.ValidationException

  - `correlationId` (string)
    Indicates the correlation identifier.

Example: aa6cfcd0-0295-4a4c-b074-8c901f114fef
    Example: aa6cfcd0-0295-4a4c-b074-8c901f114fef

  - `entityId` (string)
    Indicates the entity identifier.
Example:
null

  - `errorCode` (string)
    Indicates the error code.
Example:
null

## Response 404 fields (application/json):

  - `details` (string)

  - `statusCode` (integer)
    Specifies the HTTP response status code.
This is the HTTP status code returned by the attempted delivery.
The following is a list of HTTP response status codes that include but are not limited to:
| HTTP Status | Meaning |
|  --- | --- |
| 200 | Delivery succeeded |
| 400 | Bad request |
| 401 | Unauthorized |
| 404 | Endpoint not found |
| 429 | Rate limited |

Example: 401
    Example: 401

  - `source` (string)

  - `exceptionType` (string)

  - `correlationId` (string)

  - `entityId` (string)

  - `errorCode` (string)

## Response 500 fields (application/json):

  - `details` (string)

  - `statusCode` (integer)
    Specifies the HTTP response status code.
This is the HTTP status code returned by the attempted delivery.
The following is a list of HTTP response status codes that include but are not limited to:
| HTTP Status | Meaning |
|  --- | --- |
| 200 | Delivery succeeded |
| 400 | Bad request |
| 401 | Unauthorized |
| 404 | Endpoint not found |
| 429 | Rate limited |

Example: 401
    Example: 401

  - `source` (string)

  - `exceptionType` (string)

  - `correlationId` (string)

  - `entityId` (string)

  - `errorCode` (string)