Software customized to your business and Rillet.

Describe the app you need. Our AI engineers build it around 100% of your workflow, connect it to Rillet and keep it running. Typically ready to test in 1–2 weeks.

Book a demo

No developers needed. Free test version before you commit.

Yes, you can get custom software that connects with Rillet.

Yes. Mercovano builds custom business software that connects directly to Rillet through Rillet's REST API. Our AI engineers design it around how your team works, and it reads and writes Rillet data such as vendors, purchase orders, bills.

RilletERP

Reads and writes

VendorsPurchase ordersBillsItemsSales ordersGeneral ledger

Your appsApprovals · rules · forms

Apps you can build on Rillet.

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

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

Customer	PO	Status
Bayview Foods	PO-88231	Created
Metro Supply	PO-1197	Created
Harbor Grill	PO-5520	Price check
Lakeside Deli	PO-0412	No stock

How it connects to Rillet.

Vendor: Rillet
Category: ERP
Connection: Direct API, no middleman
API type: REST
Access: Your Rillet admin turns on API access, and we give them the exact steps.
Real-time updates: Yes. Changes in Rillet can trigger your automations straight away.
Writing back to Rillet: Broad. Your automations can create and update most Rillet records.
File import fallback: Yes. Rillet accepts import files, which we use as a fallback.
API documentation: Rillet 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 systems it touches. Click through a first version and change anything.
02
We build it and connect your systems
Our AI engineers build it on your data. Your admin grants access to your systems, 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 Rillet's defaults.

Connected to Rillet

Approved work lands in Rillet without anyone re-typing it.

One platform, many apps

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

Rillet and Mercovano, answered.

Can I get custom software that connects with Rillet?

What apps can I build on Rillet?

Teams build purchase requests, invoice approvals, vendor onboarding, order intake, month-end close and cross-system reporting on Rillet, each with their own approval rules, forms and policies. If you can describe the process, we can build it.

How does the software connect to Rillet?

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