X-Mods and More®

Learn more about the WCIRB’s online service, X-Mods and More, which allows insurers access to a seamless exchange of policyholder data from the WCIRB to an insurers’ local system.

X-Mods and More is a web service that provides WCIRB member insurers, including their authorized third-party administrators and managing general agents, and licensed agents and brokers with 24/7, real-time access to key risk-level data, including:

  • Experience modifications (X-Mods)
  • Named insureds
  • Policy addresses
  • Assigned classification codes   
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Webinar: X-Mods and More® for Agents and Brokers

WCIRB Senior Data Quality Specialist Kirsty Schanmier demonstrates the features of X-Mods and More and how it can be easily integrated into your company's system. 

What Is X-Mods and More?

X-Mods and More enables a timely and seamless exchange of data by using standard internet protocols, providing 24/7 access with no human interaction and limiting the risk of errors. Authorized users connect with X-Mods and More by sending a WCIRB-assigned Bureau Number (BN) or a policyholder’s Federal Employer Identification Number (FEIN), and, if a single match is found, X-Mods and More returns the requested information.

The primary uses include:

  • Machine-to-machine access: Users can automate a scheduled connection that sends web service requests for all of their policies in need of updated data. Application programming interface access makes possible the automated retrieval of the following:
    • X-Mods, thereby removing a key obstacle of automated renewals
    • Key classification data, including the WCIRB-assigned classes and the classification that developed the most payroll in the most recent experience period
    • Policyholder name and address data previously reported to the WCIRB 
  • Replaces person-to-machine access: Rather than logging onto WCIRB Connect® to manually search for this information, users can develop their own user interface to request this information using the BN or the policyholder’s FEIN, and the information is returned in seconds.

What Are the Benefits?

  • Provides data in real time, 24/7
  • Decreases the cost and effort to access and load data
  • Allows seamless integration of requested data into requester’s system
  • Uses only the data you need if you only need the X-Mod, capture only the X-Mod
  • Improves data accuracy and completeness in underwriting and reports
  • Is available at no additional charge

What Data Is Available?

X-Mods and More is built in conformance with WCUNDERWRITING an emerging national standard developed by the Workers Compensation Insurance Organizations. Upon request, X-Mods and More can return the following:

  • 10 years of X-Mods by experience rating effective year (YYYY)
    • Insurer of record only receives the full experience rating effective date (MM/DD/YYYY)
  • Current reported policyholder names and FEINs 
  • Current reported policyholder addresses 
  • Count of in-force policies for a specific policyholder 
  • Standard classifications for a specific policyholder that are:
    • Assigned by the WCIRB along with date of assignment 
    • Reported on the Unit Statistical Reports within the current experience period  the classification that developed the most payroll in that experience period will be identified.

More Information

Insurer members and their authorized third-party administrators and managing general agents as well as licensed agencies and brokerages interested in learning more about X-Mods and More – including the technical considerations – can contact WCIRB Senior Data Quality Specialist Kirsty Schanmier at [email protected] or 415.778.7103. 

X-Mod Product Comparison

X-Mods and More is among the WCIRB’s suite of products designed to meet the varied needs of insurers, third party administrators, managing general agents, agents and brokers. View the How to Access X-Mods: A Comparison of WCIRB Products chart to learn more about the features of each product.


For information on technical specifications and requirements, please refer to the X-Mods and More Web Service User Guide.