---
title: "Get assertion instance"
method: GET
path: "/api/v3/directory/assertion/{id}"
tags: ["directory"]
---

# Get assertion instance

`GET /api/v3/directory/assertion/{id}`

## Request

- The document declares no server URL.
- Auth: API key in header `authorization` and API key in header `aserto-tenant-id`
- TypeScript: <https://skmtc.dev/aserto/apis/openid-authzen-access-service/docs/api/v3/directory/assertion/:id/get.ts> (a function with typed inputs; its response is checked against the schema)

Returns single assertion instance.

## Path parameters

- `id` integer, required

## Response `200`

A successful response.

- V3GetAssertionResponse
  - `result` V3Assert
    - `check` V3CheckRequest
      - `object_id` string, required
      - `object_type` string, required
      - `relation` string, required
      - `subject_id` string, required
      - `subject_type` string, required
      - `trace` boolean
    - `check_permission` V3CheckPermissionRequest
      - `object_id` string, required
      - `object_type` string, required
      - `permission` string, required
      - `subject_id` string, required
      - `subject_type` string, required
      - `trace` boolean
    - `check_relation` V3CheckRelationRequest
      - `object_id` string, required
      - `object_type` string, required
      - `relation` string, required
      - `subject_id` string, required
      - `subject_type` string, required
      - `trace` boolean
    - `description` string
    - `expected` boolean, required
    - `id` integer

## Other responses

- `default`: An unexpected error response.

## Changes

- **2025-02-17** `fddc0bd34946`: 1 info
  - api operation id `directory.v3.assertion.get` removed and replaced with `directory.assertion.v3.assertion.get`
- **2024-06-28** `58b646938d5d`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/aserto/apis/openid-authzen-access-service/changes/api/v3/directory/assertion/:id/get.md)

---

[API](https://skmtc.dev/aserto/apis/openid-authzen-access-service.md) - [All operations](https://skmtc.dev/aserto/apis/openid-authzen-access-service/llms.txt) - [OpenAPI document](https://skmtc.dev/aserto/apis/openid-authzen-access-service/revisions/5dd53d1e6d2e?raw)