Finish a session

Marks the session done, logs it as a strength workout in the workout history, and plans the same day next week from this week’s results and feedback. Finishing the last session completes the mesocycle.

POST/api/training/mesocycles/{id}/sessions/{week}/{day}/complete

Authorization

__Secure-better-auth.session_tokenAPI key · cookierequired

Better Auth session. Signing in (Google or email magic link) sets an HttpOnly session cookie that scopes every request to that account. The web app and CLI use this; agents use the OAuth 2.1 flow of the MCP server.

AuthorizationBearer token · headerrequired

Personal API key sent as Authorization: Bearer skcal_…. Create and scope keys in the app under your profile → API keys. Keys default to full access; a scoped key is limited to its granted resource:action permissions and cannot manage other keys.

Path parameters

idstringrequired

Identifier of the mesocycle, set, slot, or custom exercise the path names.

weekintegerrequired

Week number within the mesocycle, starting at 1 (the last week is the deload).

min 1

dayintegerrequired

Training day number within the week, starting at 1.

min 1

Request body

application/json

Optional, when the session finished if not now.

atstring | integer

When the session finished (ISO 8601 or epoch ms, default now).

Responses

200

The session was completed.

object

400

The request body or parameters failed validation.

errorstringrequired

Human-readable failure reason.

detailstring

Optional extra context, present on upstream failures.

404

No matching resource owned by the caller.

errorstringrequired

Human-readable failure reason.

detailstring

Optional extra context, present on upstream failures.

Try it

Server

Base URLCustom base URLOverrides the selected server when set.

Authorization

API keyRemember on this deviceInclude my values in samples

Parameters

idpath*Identifier of the mesocycle, set, slot, or custom exercise the path names.weekpath*Week number within the mesocycle, starting at 1 (the last week is the deload).daypath*Training day number within the week, starting at 1.

Bodyapplication/json

atstringWhen the session finished (ISO 8601 or epoch ms, default now).

Request

curl -X POST 'https://app.skcal.fit/api/training/mesocycles/9a8b7c6d-5e4f-4a3b-8c2d-1e0f9a8b7c6d/sessions/2/3/complete' \
  -H 'Cookie: __Secure-better-auth.session_token=YOUR_API_KEY' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "at": "2026-10-25T19:30:00-05:00"
}'

const response = await fetch("https://app.skcal.fit/api/training/mesocycles/9a8b7c6d-5e4f-4a3b-8c2d-1e0f9a8b7c6d/sessions/2/3/complete", {
  method: "POST",
  headers: {
    "Cookie": "__Secure-better-auth.session_token=YOUR_API_KEY",
    "Accept": "application/json",
    "Content-Type": "application/json"
  },
  body: "{\n  \"at\": \"2026-10-25T19:30:00-05:00\"\n}"
});

import requests

response = requests.post(
    "https://app.skcal.fit/api/training/mesocycles/9a8b7c6d-5e4f-4a3b-8c2d-1e0f9a8b7c6d/sessions/2/3/complete",
    headers={
        "Cookie": "__Secure-better-auth.session_token=YOUR_API_KEY",
        "Accept": "application/json",
        "Content-Type": "application/json"
    },
    data="{\n  \"at\": \"2026-10-25T19:30:00-05:00\"\n}",
)

Response

{
  "ok": true,
  "week": 2,
  "day": 1,
  "exerciseName": "Barbell Bench Press",
  "muscle": "chest"
}

{
  "error": "weightKg must be 9-320 kg",
  "detail": "upstream model returned 500"
}

{
  "error": "weightKg must be 9-320 kg",
  "detail": "upstream model returned 500"
}