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Store, accounting, CRM, custom apps

API integration services that stop your team retyping data.

We connect your store, accounting, CRM and custom software so orders, invoices and customers move on their own. You get a fixed price per connection, code you own, and a daily report that proves nothing went missing.

  • From $3,400
  • Live in 1–2 weeks
  • $0 per task
  • You own the code
A store window and an accounting window joined by a cable, with documents moving along it

Pick your two systems

What moves

Orders, customers and refunds from Shopify go into QuickBooks as invoices, customers and payments.

What we plan around

Shopify's older REST API allows 2 requests a second and has been legacy since October 2024, so we build on GraphQL. QuickBooks Online and QuickBooks Desktop connect in different ways, so we confirm which one you run first.

$3,400Fixed price, live in 1–2 weeks
Get this quote
What it fixes

Your systems don't talk to each other, so your team does it by hand.

API integration connects two pieces of software so they share data on their own. Your team keeps the same screens, and the retyping stops.

Two spreadsheets with a copy arrow next to a keyboard
  • Someone retypes every order into accounting.

    Orders become invoices within minutes.

  • Sales and finance keep different customer lists.

    One update reaches both systems, with a rule for which one wins.

  • You export a spreadsheet every Friday to see the numbers.

    The numbers are already there when you open the report.

  • Stripe payouts never quite match the bank.

    Payments, fees and refunds post on their own, so deposits match.

  • Your automation failed, and nobody noticed for a week.

    You get an alert the same hour, and the missed records replay.

Popular pairs

Common connections, priced up front.

Each price is for one direction. Click one to see it in the picker at the top, or tell us your own pair.

Two connector plugs about to join

Shopify + QuickBooks

Orders become invoices, refunds become credit memos, and payouts match your deposits.

From $3,400Price this

HubSpot + QuickBooks

Closed deals become invoices, and paid status shows up on the deal.

From $3,400Price this

Stripe + QuickBooks

Payments, fees and refunds post on their own, so payouts match the bank.

From $3,400Price this

HubSpot + Stripe

Payments and subscriptions show on the contact, and deals close when paid.

From $3,400Price this

Salesforce + QuickBooks

Won deals become invoices, and balances show up on the account.

From $4,800Price this

Shopify + NetSuite

Orders flow into NetSuite, and stock and fulfillment flow back.

From $4,800Price this

Salesforce + NetSuite

Won deals become sales orders, and order status shows up on the account.

From $6,200Price this

Square + QuickBooks

Daily sales, refunds and fees post on their own, ready for your bookkeeper.

From $3,400Price this

Your custom app + any CRM

Your app sends customers and activity to your CRM, whether or not it has an API today.

From $3,400Price this
When things go wrong

Every connection fails sometimes. Watch what ours does.

A sample log from a Shopify and QuickBooks connection. Pick what goes wrong.

Quiet is the goal.Records move on their own, and every night the two systems are compared.
  1. Order 1042 received from Shopify
  2. Invoice created in QuickBooks
  3. Refund on order 1038 received
  4. Credit memo created in QuickBooks
  5. Stock count updated in Shopify
  6. Nightly match: 214 orders, 214 invoices

The match reportExample

Every morning it compares yesterday's records and totals in both systems. If anything differs, the email names the record and the reason.

ItemShopifyQuickBooksMatch
Orders and invoices214214Yes
Refunds and credits66Yes
Total sales$18,442.10$18,442.10Yes
Prices

One fixed price per connection.

No hourly billing, no per-task fee and no paid discovery phase. Your written quote arrives within 24 hours.

Price tag on a cable with a plug

One-way connection

Data moves in one direction. Orders into accounting, or leads into a CRM.

1–2 weeks
$3,400
Quote this

Two-way connection

Both systems stay in step, with rules for which one wins when they disagree.

2–4 weeks
$6,200
Quote this

Your own API

We build an API for your software, with keys, limits and documentation, so partners and your own apps can connect.

3–5 weeks
$8,600
Quote an API
+$450Each data type beyond the first three
+$1,400NetSuite or Salesforce, per system
+$1,200A system with no API
$240 a monthOptional care, per connection

Every connection includes

  • Up to three data types
  • A queue and automatic retries
  • Alerts when something fails
  • A daily match report
  • A readable log and one-click replay
  • Code in your repository, on your account
  • $0 per task or per record
  • 90 days of fixes, including vendor API changes
Tool or custom

Zapier or custom? Often Zapier is enough.

Connector tools like Zapier and Make are quick and good at low volume. Here's how we'd decide, and we'll tell you if you don't need us.

A toolbox next to a blueprint with a custom plug

Use a connector tool when

  • A few hundred records a month
  • Simple steps in one direction
  • A missed record is easy to fix by hand
  • You need it working today
  • Someone can check on it now and then

Go custom when

  • Task fees keep climbing with your volume
  • Both systems must stay in step
  • A missed record costs real money
  • You need logs, a match report and replay
  • The tool can't reach your system or custom fields
Systems we connect

Every system has a catch. We plan around it.

These come from each vendor's own developer documents and from how these systems behave, so your connection is built for its real limits from day one.

Magnifying glass over a checklist with a warning triangle

Shopify

Shopify's older REST API allows 2 requests a second and has been legacy since October 2024, so we build on GraphQL.

Price a connection

QuickBooks

QuickBooks Online and QuickBooks Desktop connect in different ways, so we confirm which one you run first.

Price a connection

Xero

Xero allows 60 calls a minute, 5 at a time, and 1,000 to 5,000 a day depending on the app's tier, so big catch-ups have to be paced.

Price a connection

NetSuite

Custom fields and records differ from account to account, so mapping takes the most time.

Price a connection

Salesforce

Daily API calls are capped. Enterprise Edition starts at 100,000 per 24 hours plus an allowance per license, and your other tools share that budget.

Price a connection

HubSpot

HubSpot allows 100 to 190 requests per 10 seconds per app, and 250,000 to 1,000,000 a day per account depending on your plan.

Price a connection

Stripe

Stripe allows 100 requests a second in live mode, and its events can arrive out of order or more than once, so the code has to handle both.

Price a connection

Square

Sales, refunds and payouts post at different times, so matching them to bank deposits takes care.

Price a connection

Zendesk

Zendesk allows 200 to 700 requests a minute depending on your plan, and your other apps share that limit.

Price a connection

Google Sheets

People can rename a column at any time, so we add checks that catch it the same day.

Price a connection

Your custom app

We read your code or database first and, if you need one, build the API too.

Price a connection

An old system with no API

No API is fine. We connect through the database, files or email, for an added $1,200.

Price a connection

Limits checked November 4, 2026. They change, and they vary by plan. Sources: Shopify, Xero, Salesforce, HubSpot, Stripe, Zendesk.

How it runs

From your first email to seven clean days.

This is the schedule for one connection. A clean day means the match report shows no unexplained differences.

Calendar page with a green check mark and a wrench
  1. Day 1

    You name the two systems. We send a fixed quote within 24 hours.

  2. Week 1

    We map every field with you and get test accounts. You approve one page: what moves, when, and which system wins.

  3. Week 1 to 2

    We build it in test accounts and run your real sample records through it.

  4. Go live

    It runs on live data for seven days while your current process stays in place, and you check the match report each morning.

  5. After that

    You get 90 days of fixes, including changes the vendor makes to its API.

What you get

  • A one-page map of what moves and when
  • The code, in your repository
  • A log and replay screen
  • Alerts by email or Slack
  • A plain-English runbook
  • Test results on your sample records
  • The daily match report by email
60% to start. The other 40% after seven clean days on live data.Your current process stays in place until then.
Questions

Questions about API integration.

Straight answers on cost, failures, ownership and when you do not need us.

What is API integration?

API integration connects two pieces of software through their APIs, so they share data on their own. An order in your store can become an invoice in your accounting software without anyone retyping it.

How much does API integration cost?

Our fixed prices are $3,400 for a one-way connection, $6,200 for a two-way connection and $8,600 to build your own API. NetSuite or Salesforce adds $1,400 each, a system with no API adds $1,200, and each data type beyond the first three is $450.

How long does it take?

One to two weeks for a one-way connection, two to four for two-way and three to five for a new API. NetSuite, Salesforce or a system with no API usually adds about a week.

Why not just use Zapier or Make?

Often you should. They are quick and good at low volume. Custom makes sense when task fees keep climbing, when both systems must stay in step, or when a silent failure would cost you real money. If a tool will do, we will tell you.

What happens if one system goes down?

Nothing is lost. Records wait in a queue and go through in order when the system comes back, and your team gets an alert if the outage lasts.

What if a vendor changes its API?

It happens. For 90 days after go-live, we fix it at no charge. After that, optional care at $240 a month keeps watch for vendor changes and updates the connection.

How do we know nothing went missing?

Every connection sends a daily match report. It compares records and totals in both systems and names any record that differs, along with the reason.

Can you connect software with no API?

Usually, yes. We can connect through the database, file exports or email. That adds $1,200 because there is more to build and test.

Do you build custom APIs?

Yes. Our API development services cover your own software too: endpoints, keys, limits and documentation, so partners and your own apps can connect. Custom API development is $8,600 at a fixed price.

Do you do CRM and ERP integration?

Yes. We connect CRMs like Salesforce and HubSpot to accounting and ERP systems like QuickBooks and NetSuite. CRM integration, Salesforce integration and other custom API integration work are all priced per connection. If you need the system built too, see custom CRM and ERP.

Who owns the code?

You do. It lives in your repository and runs on your own server or cloud account. There is no per-task or per-record fee, and it keeps running if you stop working with us.

What does it cost to run each month?

Only the hosting. A typical connection fits on a small server, which lists from about $24 a month at DigitalOcean. Optional care is $240 a month if you want us to watch it.

Is our data safe?

Data moves over encrypted connections, keys are stored encrypted on your account, and the connection reads only the fields it needs. Logs keep record IDs and reasons, not card numbers.

What do you need from us?

One person who knows the data, admin access or API keys for test accounts, and a few real sample records. We work by email, so there are no standing meetings.

Get your quote

Name your two systems. Get a fixed quote in 24 hours.

A person replies by email. No phone number and no sales call.

What should move? (optional)
About how many records a month?
Shopify to QuickBooks, one way, live in 1–2 weeks$3,400
By email within 24 hours. Privacy Policy.