---
title: "Activate a buffer age probe on a pad."
method: POST
path: "/api/flows/{id}/probes"
tags: ["probes"]
---

# Activate a buffer age probe on a pad.

`POST /api/flows/{id}/probes`

## Path parameters

- `id` string, required

## Request body

- ActivateProbeRequest — Request to activate a buffer age probe on a pad.
  - `element_id` string, required — Element ID to probe (standalone element or block ID)
  - `sample_interval` integer, nullable — Measure every Nth buffer (default 1)
  - `timeout_secs` integer, nullable — Auto-remove after this many seconds (default 60)

## Response `200`

Probe activated

- ProbeResponse — Response after activating a probe.
  - `probe_id` string, required — Unique probe ID

## Other responses

- `400` — Invalid request
- `404` — Flow not found or not running

---

[API](https://skmtc.dev/eyevinn/apis/strom-api.md) · [All operations](https://skmtc.dev/eyevinn/apis/strom-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/eyevinn/strom-api/revisions/0df7ca64263f/schema)