---
title: "POST /fact_relationship"
method: POST
path: "/fact_relationship"
tags: ["fact_relationshipController"]
---

# POST /fact_relationship

`POST /fact_relationship`

## Request body

- NewfactRelationship — (tsType: Omit<fact_relationship, >, schemaOptions: { title: 'Newfact_relationship', exclude: [] })
  - `domain_concept_id_1` number
  - `fact_id_1` number
  - `domain_concept_id_2` number
  - `fact_id_2` number
  - `relationship_concept_id` number

## Response `200`

fact_relationship instance created

- FactRelationship
  - `domain_concept_id_1` number
  - `fact_id_1` number
  - `domain_concept_id_2` number
  - `fact_id_2` number
  - `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)