For AI agents: markdown of this page — /docs-content-en/entities/leads/products-update.md documentation index — /llms.txt
Update a lead product
PATCH /v1/leads/:id/products/:rowId
Updates a lead product line. Pass only the fields you want to change.
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
id (path) |
number | yes | Lead ID |
rowId (path) |
number | yes | Product line ID (from the list or add response, not the catalog productId) |
Request fields (body)
| Parameter | Type | Description |
|---|---|---|
price |
number | Unit price |
quantity |
number | Quantity |
productId |
number | Product ID. Catalog: GET /v1/products |
discount |
number | Discount amount |
taxRate |
number | Tax rate (%) |
taxIncluded |
boolean | Tax included in price |
sort |
number | Sort order |
Examples
curl — personal key
curl -X PATCH "https://vibecode.bitrix24.com/v1/leads/741/products/1471" \
-H "X-Api-Key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{ "price": 9999, "quantity": 10 }'
curl — OAuth application
curl -X PATCH "https://vibecode.bitrix24.com/v1/leads/741/products/1471" \
-H "X-Api-Key: YOUR_APP_KEY" \
-H "Authorization: Bearer USER_SESSION_TOKEN" \
-H "Content-Type: application/json" \
-d '{ "price": 9999, "quantity": 10 }'
JavaScript — personal key
const res = await fetch('https://vibecode.bitrix24.com/v1/leads/741/products/1471', {
method: 'PATCH',
headers: {
'X-Api-Key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({ price: 9999, quantity: 10 }),
})
const { success, data } = await res.json()
console.log('Updated:', data.price, 'x', data.quantity)
JavaScript — OAuth application
const res = await fetch('https://vibecode.bitrix24.com/v1/leads/741/products/1471', {
method: 'PATCH',
headers: {
'X-Api-Key': 'YOUR_APP_KEY',
'Authorization': 'Bearer USER_SESSION_TOKEN',
'Content-Type': 'application/json',
},
body: JSON.stringify({ price: 9999, quantity: 10 }),
})
const { success, data } = await res.json()
Response fields
The updated product line object: id, productId, productName, price, quantity, discount, taxRate, taxIncluded.
Response example
{
"success": true,
"data": {
"id": 1471,
"productId": 1,
"productName": "Server hardware",
"price": 9999,
"quantity": 10,
"discount": 0,
"taxRate": null,
"taxIncluded": false
}
}
Error response example
404 — line not found:
{
"success": false,
"error": {
"code": "ENTITY_NOT_FOUND",
"message": "Item not found"
}
}
Errors
| HTTP | Code | Description |
|---|---|---|
| 404 | ENTITY_NOT_FOUND |
Line 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.