---
title: "Add a calibration point for a pH probe"
method: POST
path: "/api/phprobes/{id}/calibratepoint"
tags: ["PH"]
---

# Add a calibration point for a pH probe

`POST /api/phprobes/{id}/calibratepoint`

## Path parameters

- `id` string, required

## Request body

- PhCalibrationPoint
  - `expected` number, double, required
  - `observed` number, double, required

## Response `200`

Calibration point saved

- ErrorResponse
  - `message` string, required

## Other responses

- `400` — Bad request
- `401` — Unauthorized

---

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