Busy Cloud API

Connect BUSY to everything.

Secure REST APIs that keep your BUSY accounting in sync with your website, apps, CRM and online store — in real time.

Busy API Integration API Docs
Busy Cloud API
Get API Access
Explore

Everything you need to get connected

Choose your path — let our team integrate it for you, or dive straight into the API reference.

Busy API Integration

Done-for-you integration of BUSY with your e-commerce store, mobile app, CRM, B2B portal or custom software.

  • Requirement mapping & setup
  • Two-way sync of masters & vouchers
  • Testing, go-live & support
View integration

API Documentation

Authentication, endpoints, request/response examples and webhooks — everything developers need.

GET  /v1/items
GET  /v1/accounts
POST /v1/vouchers/sales
GET  /v1/reports/outstanding
Read the docs
Why Busy Cloud API

Built for speed, security & scale

Real-time Sync

Orders, stock and ledgers update across your systems in seconds — not at day end.

Secure by Default

HTTPS, API keys and access control keep your financial data protected.

Clean REST + JSON

Developer-friendly endpoints that work with any language or platform.

Read & Write

Fetch masters and reports, or post sales orders, invoices and receipts.

Webhooks

Get notified instantly when vouchers or masters change in BUSY.

Keep Using BUSY

No migration needed — your team keeps working in BUSY as usual.

How It Works

Live in three simple steps

1

Connect BUSY

We set up the secure BigNext connector with your BUSY company.

2

Get your API key

Receive credentials and choose what data each app can access.

3

Start syncing

Call the endpoints from your app — or let us build the integration.

Use Cases

What businesses build with it

E-commerce Sync

Auto-push online orders to BUSY and keep stock & prices updated.

Salesman Apps

Live stock, outstanding and order booking on the go.

B2B Dealer Portals

Let dealers view ledgers, place orders and download invoices.

Dashboards & BI

Real-time sales, collections and inventory analytics.

WhatsApp Automation

Send invoices, ledgers and reminders via BigNext WA.

CRM Integration

Sync parties, quotations and orders with your CRM.

FAQ

Busy Cloud API questions

No. Your team continues to work in BUSY exactly as before. The Cloud API simply makes that data available — securely — to your other systems.

Both. You can read masters, stock and reports, and create documents like sales orders, invoices and receipts, depending on the permissions configured.

Yes. All traffic is encrypted over HTTPS, every request is authenticated with an API key, and access can be limited per application.

Absolutely — that's our Busy API Integration service. We handle everything from mapping to go-live and support.