Custom apps for Reckon One.

AP automation, time tracking, expenses and the rest of the work Reckon One leaves to spreadsheets. Our AI engineers build the apps on your Reckon One 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 Reckon One

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 Reckon One.

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

Reckon OneReckon · Accounting

Reads and writes

VendorsBillsInvoicesCustomersChart of accountsPayments

Your appsApprovals · rules · forms

Apps you can build on Reckon One.

Each one is its own app, built around your rules and connected to Reckon One, 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 Reckon One.

Vendor: Reckon
Category: Accounting
Connection: Direct API, no middleman
API type: REST
Access: Your Reckon One admin turns on API access, and we give them the exact steps.
Real-time updates: Confirmed during setup.
Writing back to Reckon One: Partial. Key records can be written back; the rest are read.
File import fallback: Confirmed during setup.
API documentation: Reckon 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 Reckon One's defaults.

Connected to Reckon One

Approved work lands in Reckon One without anyone re-typing it.

One platform, many apps

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

Reckon One and Mercovano, answered.

Can I get custom apps for Reckon One?

What apps can I build on Reckon One?

Teams build invoice approvals, receipts and card spend, purchase requests, collections, month-end close and vendor onboarding on Reckon One, 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 Reckon One?

Your Reckon One admin turns on API access, and we give them the exact steps. The connection uses Reckon One'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.