---
title: IWorkerDataApiClient
summary: API reference for IWorkerDataApiClient.
status: draft
owner: SAIF.Core documentation team
last_reviewed: 2026-09-24
library: SAIF.Data.Guidewire
reference_type: package
---

# IWorkerDataApiClient

Contract implemented by `WorkerDataApiClient` for retrieving injured workers, their claims, and claims matching search criteria from Guidewire ClaimCenter. Consumers depend on this interface so they can be constructed via dependency injection and unit-tested without a real `HttpClient`.

## Purpose
- Declares operations to look up an injured worker, list a worker's claims, and search for claims by arbitrary criteria.

## Context
- Namespace: `SAIF.Data.Guidewire.Interfaces`
- Assembly/package: `SAIF.Data.Guidewire` (packaged in `SAIF.SAIFCode.Core`)

## Public members
| Member | Signature | Purpose |
| --- | --- | --- |
| FindClaims(FindClaimsSearchCriteria) | `Task<ClaimSummaries> FindClaims(FindClaimsSearchCriteria criteria)` | Finds claims matching search criteria including worker, policy, claim number, and more; returns an object containing a list of claims |
| GetClaims(string) | `Task<ClaimSummaries> GetClaims(string workerId)` | Finds claims associated with a particular claimant (worker) identified by `workerId`; the implementation returns `null` without an API call for a null or `"0"` id, per [SDG-BR-015](../../business-rules.md#sdg-br-015-null-or-0-worker-id-short-circuits-lookup) |
| GetWorker(string) | `Task<Claimant> GetWorker(string workerId)` | Gets the injured worker identified by `workerId`; the implementation returns `null` without an API call for a null or `"0"` id, per [SDG-BR-015](../../business-rules.md#sdg-br-015-null-or-0-worker-id-short-circuits-lookup) |

## Behavioral notes
- This interface carries no behavior of its own; all behavior described above belongs to the implementing class, `WorkerDataApiClient`.

## Constraints and usage notes
- Callers should pass `FindClaimsSearchCriteria` (documented in this same doc set) with only the fields relevant to their search; unpopulated fields default per the DTO's own defaults.

## Sources
- `Data/SAIF.Data.Guidewire/Interfaces/IWorkerDataApiClient.cs`
- `Data/SAIF.Data.Guidewire/Clients/WorkerDataApiClient.cs`