---
title: "Checks by name whether an invoker exist or not"
method: GET
path: "/invoker/exists/{invokerName}"
tags: ["Invoker"]
---

# Checks by name whether an invoker exist or not

`GET /invoker/exists/{invokerName}`

## Request

- Base URL: `http://localhost:9090`
- URL: `http://localhost:9090/invoker/exists/{invokerName}`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/opencelium/apis/opencelium-api/docs/invoker/exists/:invokerName/get.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `invokerName` string, required

## Response `200`

Property 'result' contains a boolean value true(exists) or false(not exists)

- ResultDTO
  - `id` string
  - `status` string
  - `header` object
  - `body` BodyDTO
    - `type` string
    - `format` string
    - `data` string
    - `fields` object

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `500`: Internal Error
- `502`: Bad Gateway

## Changes

> 3 revisions in range; 1 not diffed.

- **2026-07-30** `82ed767ffb65`: 2 info
  - added the non-success response with the status `400`
  - added the non-success response with the status `403`

[Operation history](https://skmtc.dev/opencelium/apis/opencelium-api/changes/invoker/exists/:invokerName/get.md)

---

[API](https://skmtc.dev/opencelium/apis/opencelium-api.md) - [All operations](https://skmtc.dev/opencelium/apis/opencelium-api/llms.txt) - [OpenAPI document](https://skmtc.dev/opencelium/apis/opencelium-api/revisions/82ed767ffb65?raw)