Custom apps for Sage 200.

AP automation, time tracking, expenses and the rest of the work Sage 200 leaves to spreadsheets. Our AI engineers build the apps on your Sage 200 data around 100% of your workflow, and keep them running. Typically ready to test in 1–2 weeks.

Book a demo

No developers needed. Free test version before you commit.

Invoice approvals

Synced with Sage 200

Waiting for approval

Vendor	Amount	Status
Apex Office Supply	$1,240.00	Manager
Brightline Electric	$6,410.50	Finance review
Metro Facilities	$4,980.00	Approved
Summit Freight	$1,275.00	Posted
Northwind Print	$830.25	No PO

Yes, you can get custom apps for Sage 200.

Yes. Mercovano builds custom apps on Sage 200, connected directly through Sage's REST API. Our AI engineers design them around how your team works, and they read and write Sage 200 data such as vendors, bills, invoices.

Sage 200Sage · Accounting

Reads and writes

VendorsBillsInvoicesCustomersChart of accountsPayments

Your appsApprovals · rules · forms

Apps you can build on Sage 200.

Each one is its own app, built around your rules and connected to Sage 200, so nothing is typed twice.

Customer	Overdue	Status
Harbor Group	$18,400	Promise Fri
Lakeview Partners	$6,200	Reminder 2
Crest Media	$3,950	60+ days
Pine & Co.	$1,120	Paid

How it connects to Sage 200.

Vendor: Sage
Category: Accounting
Connection: Direct API, no middleman
API type: REST
Access: Your Sage 200 admin turns on API access, and we give them the exact steps.
Real-time updates: Confirmed during setup.
Writing back to Sage 200: Broad. Your automations can create and update most Sage 200 records.
File import fallback: Yes. Sage 200 accepts import files, which we use as a fallback.
API documentation: Sage developer docs ↗

From a description to a working app.

01
Describe the app you need
In your own words: how the work runs today, who approves what, and which ERP it posts to. Click through a first version and change anything.
02
We build it on your ERP
Our AI engineers build it on your ERP's data. Your admin grants access to your ERP, with exact steps from us; we do the rest.
03
Test, launch and improve
Test it free on your own data before you commit; typical apps are ready to test in 1–2 weeks. When your process changes, the app changes with it.

No developers on your side. Just someone who knows how the work gets done.

See how it works in detail →

100% your workflow

Your steps, approvals and policies, not Sage 200's defaults.

Connected to Sage 200

Approved work lands in Sage 200 without anyone re-typing it.

One platform, many apps

Every app shares the same Sage 200 connection, sign-in and roles. Add the next one when you need it.

Sage 200 and Mercovano, answered.

Can I get custom apps for Sage 200?

What apps can I build on Sage 200?

Teams build invoice approvals, receipts and card spend, purchase requests, collections, month-end close and vendor onboarding on Sage 200, each with their own approval rules, forms and policies. If you can describe the process, we can build it.

How do the apps connect to Sage 200?

Your Sage 200 admin turns on API access, and we give them the exact steps. The connection uses Sage 200's REST API.

Do I need a developer or IT team?

No. Our AI engineers build, connect, host and maintain your apps. You describe how the work runs today and test it on your own data.

How long does it take?

Typical projects are built and ready to test within 1–2 weeks of going ahead.

How is it priced?

You pay for the software you need, nothing more: no per-user pricing and no implementation fees.