---
title: "List all pH probes"
method: GET
path: "/api/phprobes"
tags: ["PH"]
---

# List all pH probes

`GET /api/phprobes`

## Response `200`

List of pH probes

- PhProbe[]
  - `id` string
  - `name` string, required
  - `enable` boolean
  - `period` integer
  - `analog_input` string
  - `control` boolean
  - `min` number, double
  - `max` number, double
  - `hysteresis` number, double
  - `upper_eq` string
  - `downer_eq` string
  - `is_macro` boolean
  - `one_shot` boolean
  - `transformer` string
  - `notify` object
  - `chart` object

## Other responses

- `401` — Unauthorized

## Changes

- **2026-05-18** `799d7dce71bf` — 1 info
  - endpoint added
- **2026-05-17** `246823ed55cc` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/reef-pi/apis/reef-pi-api/changes/api/phprobes/get.md)

---

[API](https://skmtc.dev/reef-pi/apis/reef-pi-api.md) · [All operations](https://skmtc.dev/reef-pi/apis/reef-pi-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/reef-pi/reef-pi-api/revisions/85b870dc1814/schema)