Purchase Orders

POs, series, and lines. Auth: X-API-Key header. Base: https://api.vh3connect.io/api:YdihQNr3.

Shared parameters

Param	Type	Description
`pageNumber`	integer	Page index (1-based)
`pageSize`	integer	Items per page (default 100, max 1000)
`sortBy`	string	Sort field (endpoint-specific)
`direction`	enum	`ascending` or `descending`

Date filters (list)

POST /purchase_orders/list requires at least one filter (id, jobId, jobGroupId, contactId, reference, or a date pair). Optional createdAtFrom / createdAtTo on PO creation time, max 12 months between them. See overview.

Purchase orders

Procurement.

`GET` `/purchase_orders/purchase_order`

Get PO.

curl -G "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/purchase_order" \
  -H "X-API-Key: your-api-key" \
  --data-urlencode "id=4001"

`POST` `/purchase_orders/create`

Create PO.

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/create" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "supplierId": 999,
  "contactId": 12345
}'

`POST` `/purchase_orders/edit`

Update PO.

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/edit" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "id": 4001
}'

`POST` `/purchase_orders/list`

List purchase orders. At least one filter is required. Date range optional; max 12 months on createdAtFrom → createdAtTo.

Field	Type	Required	Description
`jobId`	integer	One of…	Filter by job
`contactId`	integer	…required	Filter by contact
`id`	integer	filters	Filter by PO id
`reference`	string		Filter by reference
`createdAtFrom`	string		Created on or after (ISO 8601 UTC)
`createdAtTo`	string		Created on or before (ISO 8601 UTC)

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/list" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "jobId": 12345,
  "createdAtFrom": "2026-01-01T00:00:00Z",
  "createdAtTo": "2026-03-31T23:59:59Z",
  "pageNumber": 1,
  "pageSize": 50
}'

`POST` `/purchase_orders/series/list`

List series.

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/series/list" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "pageNumber": 1,
  "pageSize": 50
}'

`GET` `/purchase_orders/series`

Get series.

curl -G "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/series" \
  -H "X-API-Key: your-api-key" \
  --data-urlencode "id=10"

Line items

PO lines.

`GET` `/purchase_orders/line_item`

Get line.

curl -G "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/line_item" \
  -H "X-API-Key: your-api-key" \
  --data-urlencode "purchaseOrderId=4001" \
  --data-urlencode "id=1"

`POST` `/purchase_orders/line_item/list`

List lines.

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/line_item/list" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "purchaseOrderId": 4001,
  "pageNumber": 1,
  "pageSize": 50
}'

`POST` `/purchase_orders/line_item/create`

Create line.

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/line_item/create" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "purchaseOrderId": 4001
}'

`POST` `/purchase_orders/line_item/edit`

Update line.

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/line_item/edit" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "purchaseOrderId": 4001,
  "id": 1
}'

`POST` `/purchase_orders/line_item/delete`

Delete line.

curl -X POST "https://api.vh3connect.io/api:YdihQNr3/purchase_orders/line_item/delete" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "purchaseOrderId": 4001,
  "id": 1
}'

VH3 AI Intelligence

BigChange API

Purchase Orders

Purchase Orders

Shared parameters

Date filters (list)

Purchase orders

`GET` `/purchase_orders/purchase_order`

`POST` `/purchase_orders/create`

`POST` `/purchase_orders/edit`

`POST` `/purchase_orders/list`

`POST` `/purchase_orders/series/list`

`GET` `/purchase_orders/series`

Line items

`GET` `/purchase_orders/line_item`

`POST` `/purchase_orders/line_item/list`

`POST` `/purchase_orders/line_item/create`

`POST` `/purchase_orders/line_item/edit`

`POST` `/purchase_orders/line_item/delete`

​Purchase Orders

​Shared parameters

​Date filters (list)

​Purchase orders

​GET /purchase_orders/purchase_order

​POST /purchase_orders/create

​POST /purchase_orders/edit

​POST /purchase_orders/list

​POST /purchase_orders/series/list

​GET /purchase_orders/series

​Line items

​GET /purchase_orders/line_item

​POST /purchase_orders/line_item/list

​POST /purchase_orders/line_item/create

​POST /purchase_orders/line_item/edit

​POST /purchase_orders/line_item/delete

Purchase Orders

Shared parameters

Date filters (list)

Purchase orders

`GET` `/purchase_orders/purchase_order`

`POST` `/purchase_orders/create`

`POST` `/purchase_orders/edit`

`POST` `/purchase_orders/list`

`POST` `/purchase_orders/series/list`

`GET` `/purchase_orders/series`

Line items

`GET` `/purchase_orders/line_item`

`POST` `/purchase_orders/line_item/list`

`POST` `/purchase_orders/line_item/create`

`POST` `/purchase_orders/line_item/edit`

`POST` `/purchase_orders/line_item/delete`