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Payments
Stripe is the default payment stack for US and global businesses: cards, Apple Pay, Google Pay, invoicing, subscriptions and Connect for marketplaces — one API, strong documentation, webhooks that actually fire.
Getting Checkout to work is the easy part. The hard part is the same as with any payment provider: a payout lands in the bank as one lump sum, refunds arrive days later, and QuickBooks still shows open invoices until someone reconciles by hand. That gap is where integration work pays for itself.
Stripe is a payment platform: accept cards and wallets online, bill subscriptions, send invoices, and run Connect if you pay out to sellers. Its API and webhook model are the reference many other providers copied — payment intents, customers, charges, refunds, disputes and balance transactions each have clear events.
What teams underestimate is state complexity. A payment can succeed, fail, require action for 3D Secure, settle later, refund partially, or become a dispute weeks after delivery. A shop that only handles succeeded leaves orders stuck; books that only handle succeeded miss fees and chargebacks entirely.
For US clients, Stripe usually pairs with QuickBooks Online rather than European ledgers — same reconciliation problem, different tax fields. HubSpot often sits in the middle for B2B: a paid invoice should move a deal forward, not wait for finance to click receive payment.
Stripe works. These are what happens when the shop and the books only listen for payment succeeded.
Stripe deposits net of fees every day or week. QuickBooks shows gross invoice amounts. Someone exports balance transactions, matches ninety lines to ninety orders, and still misses the dispute fee from Tuesday because it sat on a different row.
What you see instead
Each charge links to an invoice with fee booked separately; payouts reconcile to already-settled lines so the bank deposit is one click, not ninety.
A customer cancels in the portal or their card fails three times. Stripe stops charging. The membership site or SaaS account stays active because nothing listened to customer.subscription.deleted or invoice.payment_failed — support finds out when they ask why they were billed, or were not.
What you see instead
Subscription webhooks update access, send dunning emails on failed payment, and log each state change so support sees the same timeline Stripe sees.
Sales marks closed-won when the contract signs. Finance invoices later. Stripe pays before someone updates the CRM stage, or the CRM says won while QuickBooks still shows outstanding — pipeline reports and cash reports disagree, and nobody trusts either dashboard.
What you see instead
Payment events update deal stage and invoice status from one handler — with rules for deposit versus final payment so B2B milestones stay honest.
Weekly payout matching at fifty to two hundred transactions is an hour or more of export-and-VLOOKUP work — work Stripe and QuickBooks could split automatically if linked properly.
Hidden costs mirror Mollie in Europe: reminders to paid customers, margin overstated because fees sit in unexplained bank differences, and disputes discovered at month end instead of when Stripe opened them.
Stripe's official WooCommerce plugin handles checkout well — we keep it and build past it into QuickBooks, HubSpot and subscription lifecycle, the same way we treat Mollie on European shops.
A connection needs two ends. Plenty of agencies will build you the API call and hand you a JSON payload; that is the easy half. The harder half is what the data lands in — a website, a webshop, a portal your customers log into, an internal tool that replaces a spreadsheet. JKC builds both ends, which is why the connections we build tend to keep working: nothing about the receiving side is a black box to us.
The connection itself: authentication, field mapping, rate limits, retries and a queue that survives the other system being down for an hour. Built against the documented API where there is one, and against whatever the vendor really offers where there is not.
WordPress sites that read from your systems instead of repeating them by hand: a careers page fed by your HR system, a team page that follows your payroll, prices and availability that are the real ones.
WooCommerce shops where the order is the last time anyone types it: it becomes an invoice in your accounting package, a label at your carrier, a stock mutation in your warehouse, and a line in your CRM, on its own.
When the process does not fit any standard product: a customer portal, a quoting tool, a planning board, a dashboard that reads three systems at once. Built on your data, with your systems as the source instead of a copy of them.
Stripe sits between checkout and ledger — both directions need webhooks, not polling.
Payments and Checkout sessions from your site (into the tool)
Amount, currency, customer, metadata with order ID — so every webhook can find its row in WooCommerce or QuickBooks without guessing.
Payment status to shop and QuickBooks (out of the tool)
Succeeded, failed, requires_action, refunded and disputed — each with the right order release, invoice mark-paid or credit memo.
Fees and net amounts per transaction (out of the tool)
Stripe fee as its own ledger line so gross revenue stays gross and payouts reconcile cleanly.
Subscriptions and customer portal events (both ways)
Created, renewed, failed, cancelled — tied to product access and HubSpot lifecycle where relevant.
Payouts matched to balance transactions (out of the tool)
Bank deposit linked to the set of charges and refunds it contains — one reconciliation pass instead of a Friday spreadsheet.
Status webhooks plus fee booking are the minimum for any shop taking real volume. Subscriptions and payout matching layer on when billing complexity justifies them.
The same four steps every time, whichever tool it is. Nothing here is a workshop you pay for: step one exists because scoping a connection wrong is the single most expensive thing that can happen to it.
Not "which fields exist" but "which fields does somebody currently move by hand, how often, and what breaks when they get it wrong". Most projects turn out to need two or three flows, not a full two-way sync of everything. That conversation is what keeps the quote where it is.
A maintained connector from the vendor, a platform like Make or Zapier, or a custom integration against the API. Cheapest first, not custom first: if a supported plugin does exactly what you need, that is the answer and we will tell you so. Custom is for the cases where the off-the-shelf option would need so much configuring that it becomes the fragile option.
Every connection ships with retries, a queue and an idempotency key, so an order that arrives while the other side is down is delivered later rather than lost, and a retry does not create a second invoice. On a test environment first where the vendor offers one, so the first thing your real administration sees is a working connection.
Which alerts you will get, what each one means, what to do about it, and who to call. Plus the credentials in your own name, in your own vault — not in ours. A connection nobody but us can maintain is a connection you do not own.
This is the part most quotes leave out. A connection that stops working without telling anyone is worse than manual work, because with manual work at least somebody notices when it does not get done. Every connection JKC builds is monitored, and the monitoring is not an upsell — it is in the service fee.
A message that does not get through raises an alert the same hour, with the record it was about. Not a dashboard you have to remember to look at.
Anything that failed sits in a queue and can be sent again once the cause is fixed, in order. Nobody goes back through yesterday to find the four orders that did not land.
APIs get versioned, deprecated and rate-limited. When a vendor announces a change that affects your connection, adjusting to it is part of the service fee, not a new project.
Stripe checkout itself is not the project — the plugin or Stripe Checkout covers that. What costs money is every state handled, fees booked, refunds as credit memos, and QuickBooks or HubSpot kept level with what Stripe already knows.
A connection starts from €1,700 plus a monthly service fee, which covers the monitoring, the queue and keeping up with the vendor's API changes. Work outside a fixed scope is €95 per hour.
What moves the number is not the tool — it is how well the system on the other end is known. If JKC built your website, your webshop or your web application, we already know its data model, its edge cases and where its stock numbers really come from, and a connection into it is mostly configuration and testing. If it is a system we have never opened, we start with a short technical check of both sides and quote after that, so you are not paying hourly for us to work out the basics.
Two more things that move it, in our experience more than anything else: whether the tool has a real API or only a CSV export, and whether the sync has to go both ways. One-way is roughly half the work of two-way, because two-way means deciding, per field, which system wins when they disagree — and that decision is the expensive part, not the code.
Not usually — Mollie wins on iDEAL and Bancontact familiarity in the Netherlands; Stripe wins on US cards, global wallets and a single stack if you operate in both regions.
Many businesses run both: Mollie for local methods in the EU, Stripe for US and international card volume. We design so each payment routes to the right ledger rules.
Stripe and Intuit offer native sync options, and they work for simple retail — charge in, invoice marked paid.
They struggle with partial refunds, multi-line tax, WooCommerce order metadata and CRM ownership. We extend or replace the native sync when those edges are where your business actually lives.
For taking payment: nothing. The official plugin is solid and we leave it in place.
What it does not do is mark QuickBooks invoices paid, book fees, handle disputes in your books, or update HubSpot when a B2B deposit clears. That is the gap we build.
We never rely on webhooks alone — a scheduled reconciliation compares Stripe events to local records and repairs gaps, with alerts when mismatches appear.
Stripe's dashboard retains event history; the integration uses that as backup, not as the primary path customers depend on for order release.
Almost nobody connects one tool. These are the ones that come up in the same conversation, either because they sit in the same part of the business or because people ask for the two together.
