---
title: "Retrieves a paginated list of fixed-amount billing entries used for fixed-price project invoicing. Can filter by project, task, invoiced status, and updated date."
method: GET
path: "/api/FixedAmount"
tags: ["FixedAmount"]
---

# Retrieves a paginated list of fixed-amount billing entries used for fixed-price project invoicing. Can filter by project, task, invoiced status, and updated date.

`GET /api/FixedAmount`

## Query parameters

- `UpdatedAfter` string, date-time
- `ProjectID` integer
- `TaskID` integer
- `isInvoiced` boolean
- `pageSize` integer
- `pageNumber` integer
- `Sort` string

## Response `200`

Returns a paginated list of fixed-amount billing entries.

- FixedAmountList — Paginated collection of fixed-amount billing entries.
  - `TotalCount` integer — Total number of records matching the query across all pages.
  - `PageNumber` integer — The current page number (1-based).
  - `PageSize` integer — The number of records per page.
  - `FixedAmounts` FixedAmountDetails[] — The list of fixed-amount entries for this page.
    - `FixedAmountID` integer — Unique identifier for the fixed amount entry.
    - `ProjectIDFK` integer — The project this fixed amount is linked to.
    - `ProjectTitle` string — Title of the associated project.
    - `ProjectCode` string — Short code of the associated project.
    - `TaskIDFK` integer — The task this fixed amount is linked to, if any.
    - `TaskTitle` string — Title of the associated task.
    - `InventoryItemIDFK` integer — The inventory item used for this fixed amount.
    - `InventoryItemName` string — Name of the inventory item.
    - `Amount` number, double — The fixed billing amount.
    - `Notes` string — Additional notes on the fixed amount.
    - `isInvoiced` boolean — Whether this fixed amount has been included on an invoice.
    - `DateCreated` string, date-time — Date the record was created.
    - `DateUpdated` string, date-time — Date the record was last updated.
    - `UpdatedByUserIDFK` integer — User ID of the last person to update this record.

## Other responses

- `401` — Unauthorized

---

[API](https://skmtc.net/avaza/apis/avaza-api-documentation.md) · [All operations](https://skmtc.net/avaza/apis/avaza-api-documentation/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/avaza/avaza-api-documentation/versions/1eeadf750514/schema)