---
title: "POST /observation_period"
method: POST
path: "/observation_period"
tags: ["observation_periodController"]
---

# POST /observation_period

`POST /observation_period`

## Request body

- NewobservationPeriod — (tsType: Omit<observation_period, >, schemaOptions: { title: 'Newobservation_period', exclude: [] })
  - `observation_period_id` number
  - `person_id` number
  - `observation_period_start_date` string, date-time
  - `observation_period_end_date` string, date-time
  - `period_type_concept_id` number

## Response `200`

observation_period instance created

- ObservationPeriod
  - `observation_period_id` number
  - `person_id` number
  - `observation_period_start_date` string, date-time
  - `observation_period_end_date` string, date-time
  - `period_type_concept_id` number

## Changes

> 5 revisions in range; 1 could not be searched.

- **2022-12-15** `17f92620449e` — 1 info
  - endpoint added
- **2022-11-28** `8517ac9eef50` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/ohdsi/apis/data-connection/changes/observation_period/post.md)

---

[API](https://skmtc.dev/ohdsi/apis/data-connection.md) · [All operations](https://skmtc.dev/ohdsi/apis/data-connection/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ohdsi/data-connection/revisions/b5ead99a1d44/schema)