There is a consolidated API reference on Workday Community
This is the best Community reference I've found on Workday APIs.
API Authentication Methods
This API Authentication Methods page has excellent examples for Workday API methods. It has:
- SOAP Authentication
- Basic
- SAML
- X509
- OAuth
- REST API Authentication
- RaaS API Authentication
- Listener Service and Message Queue APIs.
SOAP General Code Samples
Ever wanted to bring Workday SOAP data into an Excel report or use the Transaction Log to find Employee data changes? Check out SOAP General Code Samples
And more!
There's a bunch of other helpful consolidated API links like: