Market Alerts
TX – R-B052926-03 Implementation of ERCOT Project PR533_01 MarkeTrak Tech Refresh API Re-Write
Notice Date: June 26, 2026
Notice Type: R-B052926-03 Outage – Retail
Short Description: Implementation of ERCOT Project PR533_01 MarkeTrak Tech Refresh API Re-Write
Intended Audience: TDSPs, LSEs
Days Affected: Sunday, June 28, 2026, 08:00 through 23:59
Long Description: ERCOT will be implementing changes associated with ERCOT Project PR533_01 (MarkeTrak Tech Refresh API Re-Write) in the ERCOT production environment on Sunday, June 28, 2026.
Additional Information:
- MarkeTrak will be unavailable for the duration of the outage.
- API users will need to implement a new XSD and WSDL which will be posted at https://www.ercot.com/services/client_svcs/mktrk_info/index.html – MarkeTrakAPI_rc6_v1_PROD_Effective_06-29-2026.
- The API URL has not changed. API users should continue to use https://misapi.ercot.com/marketrakAPI/.
Contact: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at ClientServices@ercot.com.
If you are receiving email from a public ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com.
dg
Source:
Notice_Operations <NOTICE_OPERATIONS@LISTS.ERCOT.COM>; on behalf of; ERCOT Client Services <00000005442f3c73-dmarc-request@LISTS.ERCOT.COM>
To: NOTICE_RELEASE_RETAIL@LISTS.ERCOT.COM

