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Payment calendarCheck mailed June 27Direct deposit July 1

Supplier Self-Service Portal

This portal provides business partners direct access to administering product and service delivery with CalSTRS.

Log into the Supplier Self-Service Portal.

Register for the portal

CalSTRS would like the invoicing and payment process to be as seamless and easy as possible. With CalSTRS’ web-based Supplier Self-Service Portal, registered business partners can: 

  • View electronic purchase orders.
  • Electronically submit invoices for payment.
  • Create accounts for multiple users to access the portal.

To register as a business partner, or if you have questions about registering as a business partner with CalSTRS, contact us at or 916-414-4855.

Supplier Self-Service Portal job aids

The following job aids are designed to provide CalSTRS vendors with comprehensive guides on how to display a purchase order, submit an invoice based on a purchase order, how to create a credit memo, and how to create and change additional contacts in the Supplier Self-Service Portal.

View a signed purchase orderCreate an electronic invoiceCreate a credit memoCreate and change an additional contact