---
title: "Get StudyItemAssociation by ID"
method: GET
path: "/api/v3/study-item-association/{study_item_association_id}"
tags: ["Study Item Association"]
---

# Get StudyItemAssociation by ID

`GET /api/v3/study-item-association/{study_item_association_id}`

## Request

- Base URL: `https://{tenant_name}.benchling.com`
- URL: `https://{tenant_name}.benchling.com/api/v3/study-item-association/{study_item_association_id}`
- Auth: HTTP bearer

Get a single StudyItemAssociation by ID.

## Path parameters

- `study_item_association_id` string, required

## Query parameters

- `returning` string[]
- `omit` string[]

## Response `200`

OK

- StudyItemAssociation: Represents the link between a Study and a Studyable item (such as entities or molecules). Each association is identified by id and links a specific `study` to a specific `item`, and records when the link was created via `createdAt` and who created it via `creator`.
  - `__typename` string
  - `createdAt` string, datetime
  - `creator` PrincipalRef
    - `__typename` string
    - `id` string, api_id
  - `id` string
  - `item` StudyableRef
    - `__typename` string
    - `id` string, api_id
  - `study` StudyRef
    - `__typename` string
    - `id` string, api_id

## Other responses

- `400`: Bad Request
- `403`: Forbidden
- `404`: Not Found
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/benchling/apis/benchling-api.md) - [All operations](https://skmtc.dev/benchling/apis/benchling-api/llms.txt) - [OpenAPI document](https://skmtc.dev/benchling/apis/benchling-api/revisions/c9f087b98b8b?raw)