---
title: "GET /relationship"
method: GET
path: "/relationship"
tags: ["relationshipController"]
---

# GET /relationship

`GET /relationship`

## Response `200`

Array of relationship instances

- RelationshipWithRelations[]
  - `relationship_id` string
  - `relationship_name` string
  - `is_hierarchical` string
  - `defines_ancestry` string
  - `reverse_relationship_id` string
  - `relationship_concept_id` number

---

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