WhatsApp API for business software

Send bills, reports and reminders on WhatsApp, straight from your software

Connect your own WhatsApp number in one scan. Send text, PDF invoices, photos and files to your customers with one simple API, and see a live report of every message.

Text, PDF and files Your own number Live delivery report
Your Business
online
Invoice-1045.pdf
1 page · PDF
Dear customer, your invoice of ₹12,450 is attached. Thank you!10:42
Payment received. Thank you for your business 🙏10:45
GET /api/v1/send?token=YOUR_TOKEN &to=9876543210&message=Invoice &file_name=Invoice-1045.pdf → {"ok":true,"status":"queued"}
Features

Everything you need to send business WhatsApp

Business WhatsApp messaging API

One API for everything

Text, PDF, photos and any file go through the same URL. Works from any software: VB, PHP, .NET, Tally add-ons, Excel.

Your own number

Scan the QR once. Messages go from your own WhatsApp number, so customers know who is writing.

Live reports

See which number got which message: sent, delivered, read or failed. Daily totals and Excel export.

FTP folder for files

Drop PDFs in your own folder and send them by file name. Files are removed after sending.

Server or your PC

Run WhatsApp on our server, or on your own office PC with our small agent program.

Reseller ready

Resellers get their own panel, create customers and share message credits.

Multi-Mobile Marketing

Manage multiple WhatsApp mobile numbers with a single API token and run marketing campaigns from one centralized panel.

Smart Daily Limits

Set daily sending limits once. The system manages message queues and continues processing automatically according to configured limits.

Multi-Campaign Management

Run multiple marketing campaigns across connected mobile numbers with centralized contact lists, scheduling and live reports.

Works with

Connect it to your own software

One simple link with your token. Ready code for PHP, VB, .NET and more is inside the panel.

PHP websites
VB.NET / C#
VB6 / VBA / Access
Python
Node / JavaScript
Billing / ERP software
Excel lists
Any software that opens a link
How it works

Start in minutes

1

Get your login

We create your account with message credits.

2

Scan the QR

Open the panel, add a device and scan with WhatsApp on your phone.

3

Start sending

Paste the API link with your token into your software. Done.

Pricing

Simple plans

Pick a plan, or call us for a custom quote.

Starter

₹999 / month
  • 1 WhatsApp number
  • 5,000 messages
  • Text, PDF and files
  • Reports
Get started
Most popular

Business

₹2,099 / month
  • 3 WhatsApp numbers
  • 20,000 messages
  • FTP folder
  • Priority support
Get started

Reseller

Call us
  • Your own customers
  • Shared credits
  • Your own pricing
  • Training
Get started
About us

KRIVA INFOSYS

We help businesses send invoices, statements and reminders on WhatsApp automatically from the software they already use.

9274818401 +9274818401 Krivainfosys@gmail.com J 116 JAPAN MARKET NR BELGIUM SQ RING ROAD SURAT

Ask for a free demo

Leave your details and we will call you back.

Software

Send from wherever you work

Website, Windows software, Excel or your own billing software: one account, one balance, one queue that sends with a safe gap.

Website panel

Scan your WhatsApp once and send from any browser.

  • Single and bulk send
  • Live reports
  • Nothing to install

WPM_KRIVA for Windows

Desktop software for Windows 7 to 11, 64 and 32-bit.

  • Single, bulk and group send
  • Import Excel / CSV
  • Connected / disconnected alerts
  • Your data stays on your PC

Excel add-in

Send straight from your Excel sheet.

  • Send sheet or selected rows
  • Tags like {Name} {Amount}
  • PDF or file per row

PC agent and API

Connect your billing, ERP or own software.

  • One link to send bills
  • 10 to 5,000 numbers in one go
  • WhatsApp on your own PC (agent)

Try it free for 2 days

Sign up with your WhatsApp number. No card needed.
Start free trial

Already a customer?

Log in to scan your WhatsApp, get your API token and see reports.
Login to panel