TaxPro GSP

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Welcome to TaxPro GSP Google Group. This group is for Announcement of GST, EWB and eInvoice Systems.

For API support write to info@taxprogsp.co.in with API call url, headers, body, etc. details.

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Chartered Information Systems Pvt. Ltd.

11/3/20

Migrating Services Of UAT on 4th Nov 2020.

Dear ASP's, Greetings from TaxPro GSP Team! Below is the communication from GSTN side "Dear

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Migrating Services Of UAT on 4th Nov 2020.

Dear ASP's, Greetings from TaxPro GSP Team! Below is the communication from GSTN side "Dear

11/3/20

Chartered Information Systems Pvt. Ltd.

10/15/20

Announcement

GST APIs are under maintenance

All Team Member, Below is the communication from GSTN side "Dear All, GST APIs are under

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Announcement

GST APIs are under maintenance

All Team Member, Below is the communication from GSTN side "Dear All, GST APIs are under

10/15/20

Chartered Information Systems Pvt. Ltd.

10/9/20

Announcement

GSTR2A API Issue In Production API

All Team Member, Below is the communication received from GSTN Team "Dear All, Sorry for the

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Announcement

GSTR2A API Issue In Production API

All Team Member, Below is the communication received from GSTN Team "Dear All, Sorry for the

10/9/20

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Chartered Information Systems Pvt. Ltd.

Apr 16

Planned Maintenance Notification on TaxProGSP Delhi Server on 18th April 2026, 8:00 PM to 11:00 PM.

Dear ASPs, Planned Maintenance Notification on TaxProGSP Delhi Server on 18th April 2026 8:00 PM to

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Planned Maintenance Notification on TaxProGSP Delhi Server on 18th April 2026, 8:00 PM to 11:00 PM.

Dear ASPs, Planned Maintenance Notification on TaxProGSP Delhi Server on 18th April 2026 8:00 PM to

Apr 16

Chartered Information Systems Pvt. Ltd.

Apr 15

Planned activity notification on 16th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 16th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Apr 15

Chartered Information Systems Pvt. Ltd.

Apr 14

Planned activity notification on 15th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 15th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Apr 14

Chartered Information Systems Pvt. Ltd.

Apr 6

Planned activity notification on 7th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 7th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Apr 6

Chartered Information Systems Pvt. Ltd.

Apr 3

Planned activity notification on 4th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 4th April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Apr 3

Chartered Information Systems Pvt. Ltd.

Apr 1

Planned activity notification on 2nd April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 2nd April 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Apr 1

Chartered Information Systems Pvt. Ltd.

Mar 30

Planned activity notification on 31st March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 31st March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Mar 30

Chartered Information Systems Pvt. Ltd.

Mar 25

Planned activity notification on 26th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 26th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Mar 25

Chartered Information Systems Pvt. Ltd.

Mar 24

Happy Ram Navami 2026

Dear ASPs, Greetings from TaxPro GSP! Wishing you and your Family Happy Ram Navami..!!! All CISPL

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Happy Ram Navami 2026

Dear ASPs, Greetings from TaxPro GSP! Wishing you and your Family Happy Ram Navami..!!! All CISPL

Mar 24

Chartered Information Systems Pvt. Ltd.

Mar 23

Planned activity notification on 24th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 24th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Mar 23

Chartered Information Systems Pvt. Ltd.

Mar 20

TaxPro GST User Control Library updated with Latest Sandbox Public Key

Dear ASPs, Greetings from TaxPro GSP!!! TaxPro GST User Control Library updated with Latest Sandbox

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TaxPro GST User Control Library updated with Latest Sandbox Public Key

Dear ASPs, Greetings from TaxPro GSP!!! TaxPro GST User Control Library updated with Latest Sandbox

Mar 20

Chartered Information Systems Pvt. Ltd.

Mar 14

TaxPro GST User Control Library updated with GSTR-3B API Version 7.0.

Dear ASP, TaxPro GST User Control Library updated with GSTR-3B API Version 7.0. Latest Library

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TaxPro GST User Control Library updated with GSTR-3B API Version 7.0.

Dear ASP, TaxPro GST User Control Library updated with GSTR-3B API Version 7.0. Latest Library

Mar 14

Chartered Information Systems Pvt. Ltd.

Mar 12

Planned activity notification on 13th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 13th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Mar 12

Chartered Information Systems Pvt. Ltd.

Mar 5

Planned activity notification on 6th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 6th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Mar 5

Chartered Information Systems Pvt. Ltd.

Mar 4

Planned activity notification on 5th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 5th March 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Mar 4

Chartered Information Systems Pvt. Ltd.

Mar 2

Happy Holi 2026.

Dear ASPs, Greetings from TaxPro GSP! Wishing you and your Family Very Happy HOLI..!!! All CISPL

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Happy Holi 2026.

Dear ASPs, Greetings from TaxPro GSP! Wishing you and your Family Very Happy HOLI..!!! All CISPL

Mar 2

Chartered Information Systems Pvt. Ltd.

Feb 27

Planned Maintenance Notification (2 March 2026) – TaxPro GSP ML1 Server

Dear ASPs, This is to inform you about a planned maintenance activity on the TaxPro GSP-ML1 server,

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Planned Maintenance Notification (2 March 2026) – TaxPro GSP ML1 Server

Dear ASPs, This is to inform you about a planned maintenance activity on the TaxPro GSP-ML1 server,

Feb 27

Chartered Information Systems Pvt. Ltd.

Feb 25

GST System - Scheduled Disaster Recovery Drill from DC2 (Bangalore) to DC1 (Delhi)

Dear GSPs, Below is the notification from GSTN Please be informed that the GST Network (GSTN) will be

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GST System - Scheduled Disaster Recovery Drill from DC2 (Bangalore) to DC1 (Delhi)

Dear GSPs, Below is the notification from GSTN Please be informed that the GST Network (GSTN) will be

Feb 25

Chartered Information Systems Pvt. Ltd.

Feb 25

Planned activity notification on 26th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 26th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Feb 25

Chartered Information Systems Pvt. Ltd.2

Feb 20

GST API is currently unavailable

Dear ASPs, GST APIs are now working Thanks & Regards, TaxPro GSP. On Friday, February 20, 2026 at

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GST API is currently unavailable

Dear ASPs, GST APIs are now working Thanks & Regards, TaxPro GSP. On Friday, February 20, 2026 at

Feb 20

Chartered Information Systems Pvt. Ltd.

Feb 11

Scheduled Downtime Notification – eWayBill2 and eInvoice2 (12/02/2026)

Dear ASPs, Below is the notification received from NIC. Please note that the services of eWayBill2 (

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Scheduled Downtime Notification – eWayBill2 and eInvoice2 (12/02/2026)

Dear ASPs, Below is the notification received from NIC. Please note that the services of eWayBill2 (

Feb 11

Chartered Information Systems Pvt. Ltd.

Feb 11

Planned activity notification on 12th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 12th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Feb 11

Chartered Information Systems Pvt. Ltd.

Feb 4

Planned activity notification on 5th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 5th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Feb 4

Chartered Information Systems Pvt. Ltd.

Feb 3

Planned activity notification on 4th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 4th February 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Feb 3

Chartered Information Systems Pvt. Ltd.2

Feb 2

Implement small change to Achieve High Availability by using NIC IRP 1 and NIC IRP 2

Dear ASPs, In continuation to our earlier communication regarding the Multiple IRP (NIC1 / NIC2)

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Implement small change to Achieve High Availability by using NIC IRP 1 and NIC IRP 2

Dear ASPs, In continuation to our earlier communication regarding the Multiple IRP (NIC1 / NIC2)

Feb 2

Chartered Information Systems Pvt. Ltd.2

Jan 31

E-Invoice down on NIC1

Dear ASPs, Now NIC1 is working, please check once. Thanks & Regards TaxPro GSP Team. On Saturday,

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E-Invoice down on NIC1

Dear ASPs, Now NIC1 is working, please check once. Thanks & Regards TaxPro GSP Team. On Saturday,

Jan 31

Chartered Information Systems Pvt. Ltd.

Jan 29

Planned activity notification on 30th January 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

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Planned activity notification on 30th January 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Jan 29

Chartered Information Systems Pvt. Ltd.

Jan 28

Planned activity notification on 29th January 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

unread,

Planned activity notification on 29th January 2026 on GST Portal

Dear ASPs, FYI, below is the notification from GSTN Side. We shall be enhancing services on the GST

Jan 28

Chartered Information Systems Pvt. Ltd.

Jan 28

Relaxation of validation for certain HSNs for which RSP based tax calculation is notified.

Dear ASP's, Below is the notification from NIC. As per the notification Notification No. 20/2025–

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Relaxation of validation for certain HSNs for which RSP based tax calculation is notified.

Dear ASP's, Below is the notification from NIC. As per the notification Notification No. 20/2025–

Jan 28

Chartered Information Systems Pvt. Ltd.

Jan 21

Notification for Support Timing and Holiday

Dear ASPs, Please be informed that our all office and support team will be unavailable as per the

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Notification for Support Timing and Holiday

Dear ASPs, Please be informed that our all office and support team will be unavailable as per the

Jan 21