---
title: "I want to integrate my accounting software with the e-invoicing portal using API. Where can I find the necessary documentation?"
description: "I want to integrate my accounting software with the e-invoicing portal using API. Where can I find the necessary documentation?"
canonical: "https://busy.in/faqs/integrate-accounting-software-e-invoicing-portal-using-api-where-find-necessary-documentation-answerid-31013/"
---

# I want to integrate my accounting software with the e-invoicing portal using API. Where can I find the necessary documentation?

For eWay Bill GSP Registration,

Step : 1 Open your Internet browser and login to eWay Bill Portal - https://ewaybillgst.gov.in.
Step: 2 In E-Way Bill System Login, enter details such as:
User Name - Enter eWay bill system user name.
Password - Enter eWay bill system password.
Enter Captcha - Enter the captcha as displayed on the screen.
Step:3 After entering the above details, click on Login button.
Step:4 After you login into eWay bill system, go to Registration > For GSP. Register your GSP Suvidha Provider form will open.
Step :5 Click on Send OTP button, a one-time password will be sent to your registered mobile number.

Step:6 In Enter OTP, enter the one-time password received on your registered mobile number and click on Verify OTP button.

Step:7 Register your GST Suvidha Provider screen will appear. Here, click on Add/New radio button.
Step:8 Enter all the details here such as:
GSP Name - Select Webtel Electronic Pvt Ltd from the list displayed.
User Name - You can enter suffix of 3 characters. (For ex. 'cvl')
Re-Enter User Name - Enter the user-name again.
Password - Enter your 15 characters password.
Re-Enter Password - Enter the password again.

Then Open BUSY Login The Company

Step:9 Administration --> Configuration --> Features / Options -->GST/VAT TAB
Step:10 Enable Einvoice Requried then Click on Config option then Add Place & Station
Step-11 Administration --> Configuration --> Voucher Series Configuration ->Sale ->Select Voucher Series ->Voucher Configuration
Step : 12 Enable Option Generate Einvoice After Saveing
Step : 13 After Feeding Sale Bill Click on Save and in Transport Detailes Tab Y Einvoice Reqd option

## Related FAQs

- [What details are required for creating the first e-invoice in BUSY?](https://busy.in/faqs/what-details-are-required-for-creating-the-first-einvoice-in-busy-answerid-55944/)
- [Unable to generate e-invoices in BUSY despite entering required information. How to resolve?](https://busy.in/faqs/unable-to-generate-einvoices-in-busy-despite-entering-required-information-how-to-resolve-answerid-48423/)
- [What details needs to be provided mandatorily like PIN code etc. for e-invoicing to work correctly?](https://busy.in/faqs/what-details-needs-to-be-provided-mandatorily-like-pin-code-etc-for-einvoicing-to-work-correctly-answerid-38948/)
- [What data fields are mandatory in BUSY when generating an e-invoice GST number, PIN code etc?](https://busy.in/faqs/what-data-fields-are-mandatory-in-busy-when-generating-an-einvoice-gst-number-pin-code-etc-answerid-38947/)
- [What details (place, PIN code etc.) do I need to enter before generating an e-invoice?](https://busy.in/faqs/what-details-place-pin-code-etc-do-i-need-to-enter-before-generating-an-einvoice-answerid-41829/)