A practical comparison
StoaPack and 3DBinPacking
3DBinPacking documents visual output and structured item controls. StoaPack combines warehouse stock allocation with box assignments and placements.
What the public documentation describes
Where StoaPack stands out: stock across warehouses, hazmat checks by UN number, a lower entry price, and a longer free trial.
| Need | StoaPack | 3DBinPacking |
|---|---|---|
| Stock by warehouse | StoaPack StoaPack advantage: Send each warehouse's stock and boxes; get back which site ships what. | 3DBinPackingPacks the items and bins you send; no warehouse stock in the documented request. |
| Packed and unpacked | StoaPack Every unit's position, size and packing order, plus anything that didn't fit, and why. | 3DBinPackingPacked and unpacked items, space used and weight. |
| Packing images | StoaPack Ready-made interactive 3D viewer: drag to rotate; step through layer-ordered cases. Numbered step-by-step views, hazmat markers and checklists: Letter, A4 or 4×6. SVG inline; PNG via the render endpoint. | 3DBinPackingComplete-pack, step-by-step and per-item images, PNG or SVG; image size parameters 1–250 px. |
| Allowed boxes | StoaPack Assign items to a box type. | 3DBinPackingAllowed-bin constraints per item. |
| Orientation lock | StoaPack Keep upright per item: turns only on its base; reports cases that would need tipping. | 3DBinPackingVertical-rotation constraints per item. |
| Hazmat | StoaPack StoaPack advantage: Class separation and quantity checks by UN number, for supported UNs. | 3DBinPackingGrouping and separation rules you define; no UN-number quantity checks documented in the reviewed API. |
| Cost goals | StoaPack Ranks by package count and the box costs you supply; no carrier rates. | 3DBinPackingGoals include box count, space or cost. |
| Entry price | StoaPack StoaPack advantage: US$30/month for 1,500 requests (2¢ each). | 3DBinPackingUS$39/month for 1,000 calculations (3.9¢ each). |
| Free trial | StoaPack StoaPack advantage: 50 free calls, no card; paid plans include a 30-day trial. | 3DBinPacking14-day trial, no card. |
| Printable pack sheets | StoaPack Letter, A4 and 4×6 thermal packing guides with checklists. | 3DBinPackingNot documented in the reviewed API. |
| Pallets | StoaPack Full product layers, heavy layers below, keep upright; up to 1,000 cases. | 3DBinPackingStack Pallets: height/weight limits, case placements and step-by-step instructions. |
| Packing rules | StoaPack Supported instructions in English or Spanish. | 3DBinPackingStructured item grouping and rotation parameters. |
Reviewed 20 October 2026. From public documentation. Prices and terms can change.
A checked order with placements
A checked StoaPack plan shows package assignments and positions.
6 units in 1 package. The response includes item positions and dimensions.
- Small box, 25 × 25 × 25 cm at Warehouse — 39.94% of its volume used.
- Bluetooth Speaker × 2
- Phone Case × 2
- USB-C Cable × 1
- Wireless Earbuds × 1
Small instead of Medium: 63% less estimated DIM weight. Same order and stock; the baseline offers only the largest carton.
Show the cURL request
Try the same order from your server
Create a key in your dashboard, then replace the key variable below. This request calls the published API directly and leaves AI review off.
curl -X POST "https://stoapack.stoalogistics.com/api/v1/optimize" \
-H "Content-Type: application/json" \
-H "X-API-Key: $STOAPACK_API_KEY" \
-d '{
"items": [
{
"id": "bluetooth-speaker",
"width": 18,
"height": 12,
"depth": 12,
"weight": 0.8,
"quantity": 2,
"name": "Bluetooth Speaker"
},
{
"id": "phone-case",
"width": 16,
"height": 8,
"depth": 2,
"weight": 0.1,
"quantity": 2,
"name": "Phone Case"
},
{
"id": "usb-c-cable",
"width": 12,
"height": 8,
"depth": 3,
"weight": 0.05,
"quantity": 1,
"name": "USB-C Cable"
},
{
"id": "wireless-earbuds",
"width": 8,
"height": 8,
"depth": 4,
"weight": 0.15,
"quantity": 1,
"name": "Wireless Earbuds"
}
],
"unit": "cm",
"weight_unit": "kg",
"ai_review": false,
"warehouses": [
{
"id": "warehouse",
"inventory": {
"bluetooth-speaker": 2,
"phone-case": 2,
"usb-c-cable": 1,
"wireless-earbuds": 1
},
"available_boxes": [
{
"id": "medium",
"width": 40,
"height": 30,
"depth": 35,
"quantity": 10,
"max_weight": 20,
"fill_percentage": 100
},
{
"id": "small",
"width": 25,
"height": 25,
"depth": 25,
"quantity": 10,
"max_weight": 20,
"fill_percentage": 100
}
]
}
]
}'
Which fits your operation
Consider StoaPack for multi-site stock or hazmat checks.
StoaPack supports per-item keep-upright orientation locking.
Both support per-item upright controls. Compare packing images and results on your own orders.