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Lifetime: one-time € 199, nothing per month
New: the AI Advisor and Ads

Sell more on bol.
Without extra work.

Bkoppeling asks every buyer for an honest review in the invoice email, keeps the buy box within your price limits and sends the VAT invoice to bol with every shipment. You sell; the rest takes care of itself.

No payment details needed. Connecting takes a few minutes.

What do you want to improve on bol?

bkoppeling.nl/dashboard/reviews

JVInvoice email to J. de Vries

Sent

Your invoice for order A000C7XKP2

Thanks for your order. You'll find the invoice attached. Would you like to write an honest review of the stainless steel water bottle?

PDFF2026-00084.pdf

Write a review

Stainless steel water bottle 750 ml

On bol
216 reviews

★★★★★ 4,3

Reviews on bol, per month+13 this month

412requests

58clicks

14%click through

How it works: The request for an honest review is in the invoice email, in the wording bol requires. bol doesn't allow a separate review email. More reviews

Illustrated example using data from the demo store.

Over 475.000 invoices created for sellers on bol

  • Moneybird
  • SnelStart
  • Yuki
  • e-Boekhouden.nl
  • Informer
  • Exact Online
  • Twinfield

What happens after a single sale

You pack. Bkoppeling does the rest.

A shipment goes out the door, and without you doing anything, everything is ready: at bol, with the buyer and in your accounting.

  1. 14:02

    Sent

    You ship it yourself, or bol does (LVB).

  2. 14:03

    VAT invoice

    Sequential number, the right VAT, your own design.

  3. 14:03

    At bol

    In your buyer's account, before they ask for it.

  4. when you choose

    Invoice email

    With the request for an honest review.

  5. 14:04

    Accounting

    As UBL or PDF to your software.

  6. later

    Review

    The buyer clicks through to the review page on bol.

Module with Pro and Lifetime

An advisor who already knows your bol numbers

Bkoppeling already has your orders, margins, reviews and buy box. The AI Advisor checks your products every week and lists what costs you money or could earn you money. One click on Apply and it's done; without your click, nothing changes.

  • Price and buy box

    A safe minimum price where you're missing the buy box.

  • Advertise smarter

    Keywords that cost money without bringing anything in.

  • More reviews

    With a look ahead: what more reviews will bring in six months.

  • Ask your question

    In plain language, with an answer drawn from your own numbers.

Checking your products

21 products, last 30 days

Example: what the AI Advisor finds per product
ProductAdvice
Stainless steel water bottle 750 mlImprove title
Thermos mug 350 mlRaise minimum
Stainless steel lunchboxCheck shipping costs
Kids' water bottleReturns: read the reviews
Thermos bottle 500 mlScale up ad

Thermos mug 350 ml: a competitor dropped to € 17,95 and the repricer followed down to your minimum. Set the minimum to € 19,50 to keep a 24% margin again.

Illustrated example using data from a demo store.

Within bol's rules

More reviews shouldn't cost you policy points

A violation costs policy points, and bol can deduct them across all your seller accounts under the same KvK number. Bkoppeling enforces the rules a tool can do something about.

  • Not allowed by bol

    A standalone review email

    Bkoppeling doesn't send a standalone review email. The request is part of the invoice email, which goes out automatically once per shipment.

  • Allowed by bol

    The request for a review

    The words “honest review” must appear in your review request. If they're missing, you can't save the text.

  • Not allowed by bol

    Steering toward stars or offering something in return

    Words that steer or reward, such as “5 stars”, “positive”, “discount”, “gift” and “giveaway”, are rejected. With a word like that, you can't save the text.

  • Not allowed by bol

    Advertising your own store in the email

    A web address, the name of a social network or advertising for your own store in your email text is rejected. A link to bol is allowed.

  • Required by bol

    Invoice requests

    With upload turned on, the invoice is already in the buyer's bol account at shipment. If a buyer asks for it anyway, Bkoppeling answers that request automatically with the invoice.

  • Not allowed by bol

    Your bank account number on the invoice

    An invoice from Bkoppeling shows no bank account number, and an IBAN you type into a text yourself is rejected. The buyer has already paid via bol.

Checked against the bol partner platform on 7 October 2026. All rules, with the source at bol

Get started

Three steps, then it works

All you need is your bol seller account and your company details. Nothing to install. If you get stuck, we'll help you personally.

  1. 1

    Connect your seller account

    You create two keys at bol and paste them into Bkoppeling. You don't need your bol password.

  2. 2

    Enter your company details

    Name, address, KvK and VAT number, and your logo. You see right away what your invoice looks like.

  3. 3

    Switch on automation

    Every new shipment gets an invoice and a review request. Earlier shipments never get an email automatically.

Pricing

One fixed price. Or pay once.

No order limit and no price per invoice. Try everything free for 14 days, no payment details needed, then choose.

Start

Invoices and reviews, with no order limit.

€ 9,95€ 99 per monthper year

Or € 99 per year: 2 months freeYou save € 20,40 compared to 12 monthly payments

Start 14 days free
  • VAT invoices and credit invoices
  • Review request in the invoice email
  • Invoices uploaded to bol
  • Invoice requests handled within 24 hours
  • Unlimited orders
  • Netherlands and Belgium, including LVB
  • Margin, reports and alerts
  • Your performance on bol
  • To your accounting software, as UBL or PDF
  • Repricer and Ads modules

Pro

AI Advisor available

Everything in Start, and you can switch on the AI Advisor.

€ 14,95€ 149 per monthper year

Or € 149 per year: 2 months freeYou save € 30,40 compared to 12 monthly payments

Start 14 days free
  • Everything in Start
  • AI Advisor module available
  • Repricer and Ads modules

Lifetime

Lifetime license

Everything in Pro, paid once instead of every month.

€ 199one time

No subscription. 30-day money-back guarantee.

Start 14 days free
  • Everything in Pro, forever
  • AI Advisor module available
  • No subscription, no renewal
  • For one company and one seller account

Modules, per seller account

The first 14 days are free, then cancel monthly at any time.

Repricer

€ 19,95 p/m

Wins the buy box within your minimum and maximum, all day long. Starts in a free trial mode.

With every plan

Ads

€ 19,95 p/m

Your bol sponsored products from within Bkoppeling: advertise with one click and bid based on your margin.

With every plan

AI Advisor

€ 14,95 p/m

Advice drawn from your own numbers on prices, reviews, titles and ads, with a button to apply it.

With Pro and Lifetime

More seller accounts: each extra seller account costs half the price of your plan. With Start € 4,98 per month, with Pro € 7,48, with Lifetime a one-time € 99,50. Up to 10 accounts.

All prices exclude 21% VAT. Pay via Mollie, with iDEAL or credit card. All prices and questions

“Automating the invoices and sending out customer review requests saves us a lot of time.”
Michiel Snoek, Hemdvoorhem.nl, customer since 2021

Questions

Frequently asked questions

Don't see your question? Email klantenservice@bkoppeling.nl.

Is this allowed by bol?

Yes. bol offers sellers an integration (the Retailer API) that lets software retrieve orders and upload invoices on your behalf. You create the keys for it yourself in your seller account and can revoke them at any time. You may only ask for a review in an email you're already sending, and only ask for an honest review. That's how Bkoppeling does it. The rules are, in bol's own words, at Within bol's rules.

Is Bkoppeling an official bol partner?

No. Bkoppeling is an independent service and is not affiliated with bol. You connect with two keys that you create yourself in your seller account, not with a "log in with bol" button.

Do I need payment details for the trial?

No. You create an account and can use everything for 14 days. After that the trial simply ends. You only pay once you choose a plan yourself.

How do I connect my bol seller account?

Log in to your seller account at bol and go to Settings, Services, API settings. Under Client credentials, create a new key and copy the client ID and client secret into Bkoppeling. You don't need your bol password and there's nothing to install.

Does it also work with Logistics via bol (LVB)?

Yes. Orders that bol ships for you get an invoice in the same way as orders you ship yourself.

I also sell in Belgium. Is that possible?

Yes. You set the VAT rate per country and per product, and French-speaking buyers get the invoice and the email in French. Note: if you're based in Belgium yourself and deliver to Belgian businesses, that invoice has had to go through Peppol since 2026. Bkoppeling doesn't support that.

I fall under the small business scheme (KOR). Does it work for me too?

Yes. You indicate that you fall under the KOR, and Bkoppeling creates invoices without VAT, with the required note.

Where is my data stored?

In the European Union (Frankfurt). The keys to your seller account are stored encrypted. We only use buyer data for the invoice and the accompanying email.

What happens to my invoices if I cancel?

They remain yours. After cancelling you can keep logging in to view and download them, so you can meet your seven-year retention obligation. This applies to everyone who has had a plan. If you only did the trial and didn't choose a plan, we delete your data 30 days after the trial ends.

I currently use another tool. Can I switch?

Yes. You connect your seller account and switch on automatic processing at the moment you stop using the other tool. Only shipments from then on automatically get an invoice and an email, so no buyer receives two.

After the next shipment, it's already working.

Connect your seller account in a few minutes and try everything free for 14 days. No payment details needed.