# Record machine start button press webhook | Copenhagen Truck Wash API

### Copenhagen Truck Wash API Help

# Record machine start button press webhook

This endpoint documentation is generated directly from `openapi.yaml`.

## Endpoint

POST /relay/button/press/post

## Operation

Operation ID: `addButtonPressPost`

Record machine start button press webhook

## Authentication

Security requirements:

Scheme | Scopes
--- | ---
BearerAuth | -

## Request Body

Required: no.

Content type: `application/json`

{ "properties": { "lane_id": { "type": "integer" }, "reg": { "type": "string" }, "token": { "type": "string" } }, "type": "object" }

## Responses

Status | Description | Content Types
--- | --- | ---
201 | Button press recorded and linked to a self-serve wash session | application/json
404 |  |

Schema for response `201` (`application/json`):

{ "$ref": "#/components/schemas/MachineButtonPressWebhookResponse" }
17 March 2026