Create Bill | Coperniq API

const url = 'https://api.coperniq.io/v1/bills';
const options = {
  method: 'POST',
  headers: {'x-api-key': '<apiKey>', 'Content-Type': 'application/json'},
  body: '{"recordId":1,"calculationMethod":"LINE_ITEMS"}'
};
try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}

{
  "id": 1,
  "status": "DRAFT",
  "amount": 1.1,
  "amountPaid": 1.1,
  "calculationMethod": "string",
  "createdAt": "2024-01-15T09:30:00Z",
  "updatedAt": "2024-01-15T09:30:00Z",
  "billNumber": 1,
  "description": "string",
  "type": "BILL",
  "basedOnId": 1,
  "basedOnUid": 1,
  "dueDate": "2024-01-15T09:30:00Z",
  "issueDate": "2024-01-15T09:30:00Z",
  "isArchived": true,
  "percentage": 1.1,
  "baseAmount": 1.1,
  "account": {
    "id": 1,
    "title": "string"
  },
  "record": {
    "id": 1,
    "uid": 1,
    "title": "string"
  },
  "lineItems": [
    {
      "id": 1,
      "catalogItemId": 1,
      "quantity": 1,
      "unitCost": 1.1,
      "unitPrice": 1.1,
      "description": "string",
      "catalogItem": {
        "id": 1,
        "name": "string",
        "manufacturer": "string",
        "sku": "string",
        "type": "PRODUCT"
      }
    }
  ]
}

Create a new bill.

Required fields:

recordId: Project ID (the project must exist first)
calculationMethod: Must be “LINE_ITEMS” or “PERCENTAGE”
lineItems: Array of at least one line item if calculationMethod is “LINE_ITEMS”
percentage: Percentage if calculationMethod is “PERCENTAGE”

Line item rules for bills:

unitCost must be greater than 0 (strictly positive — bills represent vendor costs)
unitPrice may be negative (negative values represent discounts)

Optional fields:

dueDate: ISO 8601 datetime string
description: Bill description
issueDate: ISO 8601 datetime string

Create a new bill. Required fields: - `recordId`: Project ID (the project must exist first) - `calculationMethod`: Must be "LINE_ITEMS" or "PERCENTAGE" - `lineItems`: Array of at least one line item if calculationMethod is "LINE_ITEMS" - `percentage`: Percentage if calculationMethod is "PERCENTAGE" **Line item rules for bills:** - `unitCost` must be greater than 0 (strictly positive — bills represent vendor costs) - `unitPrice` may be negative (negative values represent discounts) Optional fields: - `dueDate`: ISO 8601 datetime string - `description`: Bill description - `issueDate`: ISO 8601 datetime string

Authentication

x-api-keystring

API Key authentication via header

Request

This endpoint expects an object.

recordIdintegerRequired>=1

Project ID the bill belongs to

calculationMethodenumRequired

Calculation method. Cannot be changed after creation.

LINE_ITEMS: requires lineItems or sections; allows issueDate and status
PERCENTAGE: requires percentage; issueDate, status, lineItems, and sections are not allowed

lineItemslist of objectsOptional

Required when calculationMethod is LINE_ITEMS and sections is not provided. unitCost must be greater than 0. unitPrice may be negative for discounts. May be combined with sections (a catalogItemId may appear only once across both).

sectionslist of objectsOptional

Required when calculationMethod is LINE_ITEMS and lineItems is not provided. Grouped line items with named sections. May be combined with lineItems (ungrouped items).

percentagedoubleOptional0-100

Required when calculationMethod is PERCENTAGE. Must be between 0 and 100.

dueDatestringOptionalformat: "date-time"

Due date (ISO 8601 datetime string)

issueDatestringOptionalformat: "date-time"

Issue date (ISO 8601 datetime string). LINE_ITEMS bills only. When provided, status must also be provided and must not be DRAFT.

statusenumOptional

Bill status. LINE_ITEMS bills only, and only when issueDate is also provided. Omit to default to DRAFT.

descriptionstring or nullOptional

Bill description

Response

Bill created successfully

idinteger

Bill identifier

statusenum

Bill status

amountdouble

Total bill amount

amountPaiddouble

Amount paid

calculationMethodstring

Calculation method (LINE_ITEMS or PERCENTAGE)

createdAtstringformat: "date-time"

Creation timestamp

updatedAtstringformat: "date-time"

Last update timestamp

billNumberinteger

Unique bill number

descriptionstring or null

Bill description

typeenum or null

Document type

basedOnIdinteger or null

ID of the record this bill is based on

basedOnUidinteger or null

UID of the record this bill is based on

dueDatestringformat: "date-time"

Due date

issueDatestring or nullformat: "date-time"

Issue date

isArchivedboolean

Whether the bill is archived

percentagedouble or null

Percentage if calculationMethod is PERCENTAGE

baseAmountdouble or null

Base amount if calculationMethod is PERCENTAGE

accountobject or null

recordobject or null

lineItemslist of objects

Errors

400

Bad Request Error

401

Unauthorized Error