What shipping aggregators cost and where they hurt
See the full delivered cost of using a shipping aggregator, including weight disputes and return legs, and learn when a direct courier contract beats one.
Why the rate card and the invoice never agree
A shipping aggregator sells you one thing above all. You get courier rates you could never negotiate at your volume and you get several couriers behind a single label. For a store doing a few hundred orders a month that is a genuine advantage and the alternative is worse.
The difficulty is that the advertised rate describes one ideal shipment. Half a kilo. Metro to metro. Prepaid. Delivered first time. Almost none of your orders are that shipment. Everything that separates a real order from the ideal one is a line on the invoice and together those lines decide whether you are making money on delivery.
What you pay beyond the slab rate
The headline rate excludes most of what you will be charged. It excludes the return leg. It excludes the cash on delivery handling fee. It excludes address correction charges and reattempt charges and the surcharge for an out of serviceable area pin code. It excludes GST at 18% on the whole bill. Packaging and the labour of packing are yours. Insurance on a high-value consignment is usually a separate opt-in.
Weight is where the arithmetic turns. You are billed on the higher of dead weight and volumetric weight so a light bulky item is charged as though it were heavy. The courier also reweighs at its hub and a discrepancy raises a retrospective charge that lands weeks later against shipments you have already treated as settled. Plans add a further layer. Some aggregators charge a monthly subscription for better slabs so the effective rate depends on hitting volume you may not hit.
The expensive line is the return. A refused or undelivered cash on delivery order costs you the forward leg and the return leg and often the handling fee as well. That is three charges against an order that produced no revenue at all.
Who is better off without one
Aggregators suit a store with moderate volume spread across many pin codes and a mix of couriers that would each individually refuse to contract with you.
They do not suit a shipper with real volume on a narrow set of lanes. Once you are sending consistent daily volume between two or three cities a direct contract with one courier will usually beat the aggregator slab and will give you a person to call when a consignment goes missing. They do not suit heavy or bulky goods either. Furniture and appliances and anything above the usual parcel bands belong with a surface freight partner priced by the kilogram rather than a parcel aggregator priced by slab. Same-city sellers should check a local delivery partner before signing up because an aggregator rarely wins inside one city. And if you ship fragile high-value items think hard. Claims for loss and damage run through the aggregator rather than through the courier and you have little leverage in a dispute you cannot escalate yourself.
How to price delivery properly
Work from a month of settled invoices rather than from the rate card. Add the forward charges and the return charges and the handling fees and the weight discrepancy adjustments and the subscription fee if there is one. Divide the total by the number of orders that were actually delivered and paid for. That figure is your delivered cost per order and it is the only one worth quoting in a pricing decision.
Then measure the volumetric weight of your three best-selling items in their real packaging before you set a free-delivery threshold. Reducing box size by a centimetre on each side moves a product down a weight band and that change repeats on every order for the rest of the year. Also decide who owns weight disputes on your side. An unchallenged discrepancy charge becomes the default for that stock keeping unit and nobody notices.
The numbers to watch
Delivered cost per paid order is the number that matters. Read it next to your return to origin rate by courier and by pin code cluster because the two move together and the worst lanes are usually a small handful.
The flattering numbers are the base rate per five hundred grams and the delivery success percentage the aggregator reports. The first describes a shipment you rarely send. The second counts attempts rather than money and it improves on a month where you shipped more prepaid orders for reasons that had nothing to do with logistics.
The common mistake
Most stores set their shipping charge and their free-delivery threshold from the forward rate and leave the return leg out of the sum. It feels reasonable because returns are a minority of orders. The trouble is that a cash on delivery refusal costs two legs plus a handling fee so one refusal has to be paid for out of the margin on several successful orders.
That is how a store ends up offering free delivery above a threshold it cannot afford. The fix is unglamorous. Load the expected return cost into every order rather than into the returned ones and set the threshold from the loaded figure. The threshold goes up and a few carts get abandoned. That is cheaper than subsidising the refusals.
This guide explains how something works. It is not legal, tax or financial advice, and rules change. Confirm anything regulatory with a qualified professional before you act on it.