For AI agents: markdown of this page — /docs-content-en/entities/invoices/products-set.md documentation index — /llms.txt

Set invoice products

PUT /v1/invoices/:id/products

Sets the invoice product lines. Fully replaces the current list — pass all the lines you need.

Request fields (body)

Parameter Type Req. Description
items array yes Array of product lines
items[].productId number yes Product ID. Catalog: GET /v1/products
items[].price number yes Price per unit
items[].quantity number yes Quantity
items[].discount number no Discount amount
items[].taxRate number no Tax rate (%)
items[].taxIncluded boolean no Tax included in the price

Examples

curl — personal key

Terminal 
curl -X PUT "https://vibecode.bitrix24.com/v1/invoices/58/products" \
  -H "X-Api-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "items": [
      { "productId": 1, "price": 25000, "quantity": 2 },
      { "productId": 5, "price": 5000, "quantity": 1, "discount": 500 }
    ]
  }'

curl — OAuth application

Terminal 
curl -X PUT "https://vibecode.bitrix24.com/v1/invoices/58/products" \
  -H "X-Api-Key: YOUR_APP_KEY" \
  -H "Authorization: Bearer USER_SESSION_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "items": [
      { "productId": 1, "price": 25000, "quantity": 2 },
      { "productId": 5, "price": 5000, "quantity": 1, "discount": 500 }
    ]
  }'

JavaScript — personal key

javascript 
const res = await fetch('https://vibecode.bitrix24.com/v1/invoices/58/products', {
  method: 'PUT',
  headers: {
    'X-Api-Key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    items: [
      { productId: 1, price: 25000, quantity: 2 },
      { productId: 5, price: 5000, quantity: 1, discount: 500 },
    ],
  }),
})

const { success, data } = await res.json()

JavaScript — OAuth application

javascript 
const res = await fetch('https://vibecode.bitrix24.com/v1/invoices/58/products', {
  method: 'PUT',
  headers: {
    'X-Api-Key': 'YOUR_APP_KEY',
    'Authorization': 'Bearer USER_SESSION_TOKEN',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    items: [
      { productId: 1, price: 25000, quantity: 2 },
      { productId: 5, price: 5000, quantity: 1, discount: 500 },
    ],
  }),
})

const { success, data } = await res.json()

Response fields

Field Type Description
data array Array of the resulting product lines with the fields productId, productName, price, quantity, discount, taxRate, taxIncluded

Array of the resulting product lines with the fields productId, productName, price, quantity, discount, taxRate, taxIncluded.

Response example

JSON 
{
  "success": true,
  "data": [
    {
      "productId": 1,
      "productName": "Server equipment",
      "price": 25000,
      "quantity": 2,
      "discount": 0,
      "taxRate": null,
      "taxIncluded": false
    },
    {
      "productId": 5,
      "productName": "Installation and setup",
      "price": 5000,
      "quantity": 1,
      "discount": 500,
      "taxRate": null,
      "taxIncluded": false
    }
  ]
}

Error response example

400 — invalid format:

JSON 
{
  "success": false,
  "error": {
    "code": "INVALID_PARAMS",
    "message": "items must be an array"
  }
}

Errors

HTTP Code Description
400 INVALID_PARAMS items is not an array
404 ENTITY_NOT_FOUND Invoice not found
403 SCOPE_DENIED API key lacks the crm scope
401 TOKEN_MISSING API key has no configured tokens

Full list of common API errors — Errors.

Known specifics

Full replacement: PUT replaces the entire product list. To add a line — first fetch the current ones (GET), add the new one to the array, and send everything (PUT).

See also