# Register Defmacro as GSP

## How to register Defmacro as GSP

### Step 1: Login to [IRP](https://einvoice1.gst.gov.in) 

Login to [IRP](https://einvoice1.gst.gov.in) using NIC username and Password

![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MZESjKfghy4dwB5DEJ1%2Fuploads%2FioRlMWJv8hCCcSjTiFar%2Fimage.png?alt=media\&token=c1b80eae-69ff-464d-b5bf-cfd7522f93cc)

### Step 2: Click API Registration 

Click on API Registration from the left-side menu

![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MZESjKfghy4dwB5DEJ1%2F-M_4dOoq9Bzw4ew8Fl6R%2F-M_4gL4J7YVKNqzJYOCE%2Fimage.png?alt=media\&token=19ba5acc-1d3a-4050-80b9-bc4f1588c369)

### Step 3: Create API User

Select "Create API User" listed below user credentials

![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MZESjKfghy4dwB5DEJ1%2F-M_4dOoq9Bzw4ew8Fl6R%2F-M_4gPAv1XBntsqPZhR3%2Fimage.png?alt=media\&token=4ff2aa13-eb28-4d31-bab1-d69229cce328)

### Step 4: Enter OTP 

Enter the OTP received on your registered mobile number 

![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MZESjKfghy4dwB5DEJ1%2Fuploads%2Fkh0buIYARhURxrn2tPNv%2Fimage.png?alt=media\&token=85c9ad81-a75c-4fb0-9f8f-4d0ccc847957)

### Step 5: Select Defmacro Software 

Select Defmacro software under select your GSP and provide Username and Password and submit

![](https://1228935104-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MZESjKfghy4dwB5DEJ1%2Fuploads%2F2pArGx15MgiVO6w5LouX%2Fimage.png?alt=media\&token=d2161295-2ec4-488f-81e2-55a837508ff1)