---
title: "Get timeline events for a credentialing workflow"
method: GET
path: "/credentialing-workflows/{workflowId}/timeline-events"
tags: ["CredentialingWorkflow"]
---

# Get timeline events for a credentialing workflow

`GET /credentialing-workflows/{workflowId}/timeline-events`

Retrieves timeline events for the specified credentialing workflow with optional filtering, pagination, and ordering.

## Path parameters

- `workflowId` string, required

## Query parameters

- `endAtId` string
- `filter` string
- `order` string
- `page` integer
- `size` integer
- `startAfterId` string

## Headers

- `tenant-id` string, required

## Response `200`

Successfully retrieved timeline events

- GetTimelineEventsResponse — Response containing a paginated list of timeline events
  - `totalCount` integer — Total count of timeline events matching the filter criteria
  - `data` TimelineEventResponse[] — Array of timeline event records
    - `id` string — Unique identifier for the timeline event
    - `workflowId` string — ID of the associated credentialing workflow
    - `data` TimelineEventData — Timeline event data containing event details. Field requirements vary by event name (see oneOf conditions in schema).
      - `name` 'NOT_STARTED' | 'IN_PROGRESS' | 'OUTREACH_IN_PROGRESS' | 'DATA_MISSING' | 'PSV_COMPLETED' | 'PSV_READY' | 'SENT_TO_COMMITTEE' | 'TABLED' | 'WITHDRAWN_CANCELLED' | 'CRED_DENIED' | 'CRED_APPROVED', required — Name of the timeline event. Must be one of the TimelineStatus enum values.
      - `changeReason` string — Reason for the change or status update. REQUIRED for: DATA_MISSING, WITHDRAWN_CANCELLED. Optional for: CRED_APPROVED, CRED_DENIED, and other statuses. Note: Whether this field is required or optional varies based on the permissions assigned to the user performing the action.
      - `credentialingDecisionDate` string, date
      - `nextCredentialingDate` string, date
      - `nextCredentialingDateSource` 'SYSTEM_CALCULATED' | 'USER_INPUT' — Indicates whether the next credentialing date was calculated by the system or entered by a user. Only applicable for CRED_APPROVED events.
      - `nextCredentialingDateChangeLog` NextCredentialingDateChangeLogEntry[] — Array to track changes to the next credentialing date. The nextCredentialingDate field should reflect the latest value from this array. Only applicable for CRED_APPROVED events.
        - `changedFrom` string, date, required
        - `changedTo` string, date, required
        - `changeReason` string, required — Reason for the change
        - `createdBy` string, required — User who made the change
        - `createdAt` string, date-time, required — Timestamp when the change was made
      - `psvPdfPath` string, uri-reference — URI reference to the PSV (Provider Summary Verification) PDF document.
      - `overrideReason` string, string — Indicates the reason for the override
      - `isOverride` boolean — Indicates if the timeline event is an override bypassing the default validations
    - `createdBy` string — ID of the user who created the timeline event
    - `updatedBy` string — ID of the user who last updated the timeline event
    - `createdAt` string, date-time
    - `updatedAt` string, date-time

## Other responses

- `400` — Invalid request parameters
- `401` — Unauthorized - Authentication required
- `403` — Forbidden - User does not have required permissions
- `404` — Credentialing workflow not found
- `500` — Internal Server Error - An unexpected error occurred

---

[API](https://skmtc.net/certifyos/apis/certify-api-layer.md) · [All operations](https://skmtc.net/certifyos/apis/certify-api-layer/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/certifyos/certify-api-layer/versions/3d27e9019c7b/schema)