einvoice1.gst.gov.in · via Whitebooks (BVM IT Consulting Services)
Create Your E-Invoice API Credentials
A 5-step guide, with real screenshots, to create the API username and password ClayBill needs to generate IRNs and QR codes on your behalf. Free, takes about 3 minutes.
Generating an e-way bill too? See the E-Way Bill guide
1
Log in to the official E-Invoice portal
1Open https://einvoice1.gst.gov.in in your browser.
2Click Login, then enter your existing e-Invoice Username, Password, and the Captcha shown.
Important: Use your regular e-Invoice portal login for this — you're not creating a new tax account, just an API sub-login inside it.
From Whitebooks' official setup guide

2
Open API Registration → User Credentials
1In the left-hand menu, click API Registration.
2Click User Credentials, then Create API User.
From Whitebooks' official setup guide

3
Verify the OTP sent to your registered mobile
1Enter the 6-digit OTP received on the mobile number registered against this GSTIN.
2Click Verify OTP.
From Whitebooks' official setup guide

4
Select "Through GSP" and choose Whitebooks
1Select the Through GSP radio button.
2Under Select Your GSP, choose BVM IT Consulting Services India Private Limited — this is Whitebooks, the GSP ClayBill uses.
Important: Selecting any other name in this list will not work with ClayBill — it must be BVM IT Consulting Services India Private Limited.
From Whitebooks' official setup guide

5
Create your API username and password, and submit
1Choose a username and a strong password for this API login — this is separate from your normal portal login.
2Click Submit. The portal confirms your new API username immediately.
Important: The portal automatically prefixes whatever username you type with "API_" — e.g. if you type YourName, your real login username becomes API_YourName. Write down the full prefixed username and your password, then enter them (not your regular portal login) into ClayBill under Company Settings → E-Way Bill / E-Invoice Login. One login covers both e-way bill and e-invoice.
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