---
title: "Check a relation tuple"
method: POST
path: "/relation-tuples/check/openapi"
tags: ["read"]
---

# Check a relation tuple

`POST /relation-tuples/check/openapi`

To learn how relation tuples and the check works, head over to [the documentation](../concepts/relation-tuples.mdx).

## Query parameters

- `max-depth` integer

## Request body

- RelationQuery
  - `namespace` string — Namespace to query
  - `object` string — Object to query
  - `relation` string — Relation to query
  - `subject_id` string — SubjectID to query Either SubjectSet or SubjectID can be provided.
  - `subject_set` SubjectSet
    - `namespace` string, required — Namespace of the Subject Set
    - `object` string, required — Object of the Subject Set
    - `relation` string, required — Relation of the Subject Set

## Response `200`

getCheckResponse

- GetCheckResponse — The content of the allowed field is mirrored in the HTTP status code.
  - `allowed` boolean, required — whether the relation tuple is allowed

## Other responses

- `400` — genericError
- `500` — genericError

## Changes

- **2022-06-15** `cda743c1e8c1` — 1 info
  - endpoint added
- **2021-10-07** `e90046dbd055` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/ory/apis/ory-keto-api/changes/relation-tuples/check/openapi/post.md)

---

[API](https://skmtc.dev/ory/apis/ory-keto-api.md) · [All operations](https://skmtc.dev/ory/apis/ory-keto-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ory/ory-keto-api/revisions/514d0665dbdb/schema)