curl -X GET "https://api.fitsociety.io/public/v1/workout/groups/events/{eventId}/start-preview" \
  -H "Authorization: Bearer <access_token>"

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.fitsociety.io/public/v1/workout/groups/events/{eventId}/start-preview', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.fitsociety.io/public/v1/workout/groups/events/{eventId}/start-preview"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "data": {
    "eventId": "67f1234567890abcdef1234",
    "calendarOccurrenceStartDate": "2026-04-12T10:00:00.000Z",
    "companyStartDefaults": {
      "fallbackSource": "freestyle",
      "fallbackTemplateId": "67f1234567890abcdef1234",
      "fallbackPlanMomentId": "67f1234567890abcdef1234",
      "fallbackOptions": [
        {
          "source": "freestyle",
          "planId": "67f1234567890abcdef1234",
          "planMomentId": "67f1234567890abcdef1234"
        }
      ],
      "requireReviewForFallback": true
    },
    "clients": [
      {
        "clientId": "67f1234567890abcdef1234",
        "status": "ready",
        "messageKey": "WORKOUT_READY",
        "workoutSource": "auto_assigned_plan",
        "sourceLabel": "Strength plan - Day 2",
        "sourceKey": "plan:...:...",
        "reason": "membership_assignment",
        "defaultedBy": "client_assignment",
        "requiresCoachSelection": false,
        "requiresReview": false,
        "fallbackOptions": [
          {
            "source": "freestyle",
            "planId": "67f1234567890abcdef1234",
            "planMomentId": "67f1234567890abcdef1234"
          }
        ],
        "planId": "67f1234567890abcdef1234",
        "planMomentId": "67f1234567890abcdef1234",
        "templateId": "67f1234567890abcdef1234",
        "assignmentId": "67f1234567890abcdef1234",
        "assignmentStrategy": "next_in_sequence",
        "sessionsPerWeek": 2,
        "exerciseCount": 8,
        "lastCompletedSession": {
          "sessionId": "67f1234567890abcdef1234",
          "startedAt": "2026-04-12T10:00:00.000Z",
          "endedAt": "2026-04-12T10:00:00.000Z",
          "workoutSource": "auto_assigned_plan",
          "sourceKey": "string",
          "sourceLabel": "Strength plan - Day 1",
          "planId": "67f1234567890abcdef1234",
          "planMomentId": "67f1234567890abcdef1234"
        }
      }
    ],
    "counts": {
      "total": 6,
      "ready": 5,
      "warning": 1,
      "blocked": 0,
      "bySource": {
        "auto_assigned_plan": 5,
        "freestyle": 1
      }
    }
  },
  "meta": {
    "requestId": "4f849d7d-f4f1-45cc-b4b7-3984a3d17f83",
    "rateLimit": {
      "limit": 10,
      "remaining": 9,
      "resetSeconds": 1
    }
  }
}

{
  "error": {
    "code": 403,
    "key": "scopes.insufficient",
    "message": "The access token does not include the required scope.",
    "details": {
      "requiredScopes": [
        "required:scope"
      ]
    }
  },
  "meta": {
    "requestId": "4f849d7d-f4f1-45cc-b4b7-3984a3d17f83",
    "rateLimit": {
      "limit": 10,
      "remaining": 9,
      "resetSeconds": 1
    }
  }
}

{
  "error": {
    "code": 404,
    "key": "resource.not_found",
    "message": "The requested Public API resource was not found."
  },
  "meta": {
    "requestId": "4f849d7d-f4f1-45cc-b4b7-3984a3d17f83",
    "rateLimit": {
      "limit": 10,
      "remaining": 9,
      "resetSeconds": 1
    }
  }
}

{
  "error": {
    "code": 500,
    "key": "server.internal_error",
    "message": "An unexpected Public API server error occurred."
  },
  "meta": {
    "requestId": "4f849d7d-f4f1-45cc-b4b7-3984a3d17f83",
    "rateLimit": {
      "limit": 10,
      "remaining": 9,
      "resetSeconds": 1
    }
  }
}