SOAP to REST API Transition: Frequently Asked Questions

When will the SOAP API be decommissioned?
Transition work for SOAP API will start November 2025, with Decommission work running from March 2026 – May 2026.
Where can I access REST API documentation?
The REST API Transition Guide can be found on: REST API. Detailed REST API information can also be found on the API Developer portal: https://apideveloper.nationalgas.com/s/
Do I need authentication or an API Token to access this data?
As we have an open data policy, all REST APIs are accessible to public users without the need for an API Token or Authentication.
I am unable to access the REST API Developer Portal
If you have any issues accessing the API Developer Portal, please get in touch with our operational liaison team to help resolve the issue: [email protected]
Do you have any python scripts for REST API?
The API Developer Portal (https://apideveloper.nationalgas.com/s/) contains code examples for the following languages: cURL, HTTP, JavaScript – Fetch, JavaScript - Fetch/Async, JavaScript – Node, JavaScript – XHR, Python – Requests, Python - 2.7, Python - 3.1, C, Java – Platform, Java – Spring. To access these examples, select the desired endpoint and then choose a language from the dropdown menu under the code example header.
I retrieve data directly from the Gas Data Portal, will I be impacted by this Transition Initiative
There will be no impact on the Gas Data Portal due to this Transition Initiative. If you are retrieving data from the Gas Data Portal, then you won't need to make any changes to your existing processes.
I use Power Query to access my data, will I be impacted by this Transition Initiative
There will be no impact on Power Query users due to this Transition Initiative. If you are retrieving data via Power Queries, then you won't need to make any changes to your existing processes.

We are here to help

If you need any support with your transition, please reach out to us at [email protected]

When will the SOAP API be decommissioned?
Transition work for SOAP API will start November 2025, with Decommission work running from March 2026 – May 2026.
Where can I access REST API documentation?
The REST API Transition Guide can be found on: REST API. Detailed REST API information can also be found on the API Developer portal: https://apideveloper.nationalgas.com/s/
Do I need authentication or an API Token to access this data?
As we have an open data policy, all REST APIs are accessible to public users without the need for an API Token or Authentication.
I am unable to access the REST API Developer Portal
If you have any issues accessing the API Developer Portal, please get in touch with our operational liaison team to help resolve the issue: [email protected]
Do you have any python scripts for REST API?
The API Developer Portal (https://apideveloper.nationalgas.com/s/) contains code examples for the following languages: cURL, HTTP, JavaScript – Fetch, JavaScript - Fetch/Async, JavaScript – Node, JavaScript – XHR, Python – Requests, Python - 2.7, Python - 3.1, C, Java – Platform, Java – Spring. To access these examples, select the desired endpoint and then choose a language from the dropdown menu under the code example header.
I retrieve data directly from the Gas Data Portal, will I be impacted by this Transition Initiative
There will be no impact on the Gas Data Portal due to this Transition Initiative. If you are retrieving data from the Gas Data Portal, then you won't need to make any changes to your existing processes.
I use Power Query to access my data, will I be impacted by this Transition Initiative
There will be no impact on Power Query users due to this Transition Initiative. If you are retrieving data via Power Queries, then you won't need to make any changes to your existing processes.