The verdict in three sentences
A London SME shipping 300 parcels a day with 3 carriers and keying labels in by hand loses around 25 hours a month and suffers costly address errors. An off-the-shelf module at 300 to 1,500 EUR usually covers one carrier and one standard case, whereas a custom connector generates labels for all three, sends automatic tracking to customers and feeds statuses back into Odoo. Expect 5,000 to 12,000 GBP with a London Odoo partner (market estimate) or 3,810 to 6,100 EUR on the Kolonell grid, with a 4-week timeline.
Standard module or custom connector
The Odoo Apps Store offers carrier modules, and Odoo ships a few native connectors. They work when flows are simple. They show their limits once you need to pick the carrier by weight, zone and promised delivery time, or handle multi-parcel orders and pickup points.
| Criterion | Off-the-shelf module | Custom connector |
|---|---|---|
| Upfront cost | 300 to 1,500 EUR per module and per carrier (2026 market estimate) | 3,810 to 6,100 EUR for all 3 carriers (Kolonell grid) |
| Automatic carrier selection | No, manual choice | Rules by weight, zone, delivery time and cost |
| Multi-parcel orders | Partial | Yes, one label per parcel |
| Pickup points | Depends on module | Selected at checkout, synced |
| Tracking sent to customer | Raw link | Branded email or SMS at each status |
| Odoo version upgrades | Up to the vendor | Included in maintenance |
| Timeline | 1 to 5 days | 4 weeks |
For a single carrier and fewer than 50 parcels a day, a standard module remains the right choice. Above 150 daily parcels across several carriers, custom work pays back quickly.
What rekeying costs, and what automation returns
Rekeying is not just time. A mistyped address means a return, a reshipment and an unhappy customer.
| Monthly item (300 parcels a day, 22 days) | Before | After | Saving |
|---|---|---|---|
| Rekeying labels | 25 h at 28 EUR, or 700 EUR | 1 h of checks, or 28 EUR | 672 EUR |
| Address errors (1.2 % then 0.2 %) | 79 parcels at 12 EUR, or 948 EUR | 13 parcels, or 156 EUR | 792 EUR |
| Where is my order calls | 120 calls at 5 min, or 10 h | 30 calls, or 2.5 h | 210 EUR |
| Cheapest carrier selection | Not optimized | 0.15 EUR saved per parcel | 990 EUR |
| Monthly total | about 2,660 EUR |
These amounts are 2026 orders of magnitude based on average negotiated rates. Scoping recalculates them with your carrier contracts.
What a well-built connector includes
The connector calls carrier APIs (Royal Mail, DPD UK or Evri, for example) when the delivery order is validated in Odoo. It fetches the label in ZPL or PDF, sends it to the thermal printer at the packing station, stores the tracking number on the order and polls statuses every hour. Exceptions (address rejected, parcel stuck for more than 48 h) create an Odoo activity for customer service. A dashboard compares actual costs per carrier and per zone.
Mini case study
Illustrative example: Tom, logistics manager at an industrial spare parts SME in Park Royal, west London. It ships 6,600 parcels a month through three carriers. The connector is priced at 5,500 EUR (about 3,600,000 FCFA, within the Kolonell grid), with Standard maintenance at 110 EUR a month.
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With the 2,660 EUR monthly saving from the table above, minus maintenance, the net gain reaches 2,550 EUR a month. The connector pays back in just over 2 months. On a cautious assumption, rekeying and address errors alone (1,464 EUR a month) pay back the project in under 4 months.
FAQ
Does the connector work with Odoo Community and Enterprise?
Yes, on versions 16 to 18. It is built as a standard Odoo module, compatible with Odoo.sh or your own hosting, and maintenance covers the yearly version upgrade.
Do we need an API contract with each carrier?
Yes, each carrier issues API credentials tied to your business account, usually at no extra cost. Getting them takes 3 to 10 days, so it starts in week one.
Can we add a fourth carrier later?
Yes. The architecture uses one adapter per carrier: adding one usually takes 2 to 4 days of development, a fraction of the initial project.
What happens if a carrier API goes down?
The connector queues the request, retries every 5 minutes and alerts the team after 30 minutes. A manual one-click switch to another carrier remains available.
How long does deployment take?
Four weeks: one for scoping and access, two for development, one for testing on 200 to 300 real parcels before full rollout.
Let's scope your project. Tell us your Odoo version, carriers and daily volume, and we will price a connector between 3,810 and 6,100 EUR, deliverable in 4 weeks. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
