---
title: "Activate a pairing session"
method: POST
path: "/v1/private/pairing/sessions/{sessionId}/activate"
tags: ["Pairing"]
---

# Activate a pairing session

`POST /v1/private/pairing/sessions/{sessionId}/activate`

Verify the activation HMAC and flip the runner row to CONNECTED

## Path parameters

- `sessionId` string, uuid, required

## Request body

- ActivateRequest
  - `runner_name` string, required
  - `hmac` string, required

## Response `201`

Session activated

## Other responses

- `403` — Invalid HMAC
- `404` — Session not found
- `409` — Session already activated
- `422` — Unprocessable entity
- `429` — Too many requests

---

[API](https://skmtc.net/comet-ml/apis/opik-rest-api.md) · [All operations](https://skmtc.net/comet-ml/apis/opik-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/comet-ml/opik-rest-api/versions/4ed2fbc97cc3/schema)