> ## Documentation Index
> Fetch the complete documentation index at: https://developers.meradomo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Stay attached

> Refreshes your registration. An app that stops heartbeating (or whose pid dies) is reaped, so a crash still releases the engine.



## OpenAPI

````yaml /api-reference/openapi.json post /engine/heartbeat
openapi: 3.1.0
info:
  title: Meradomo Public API
  version: 1.0.0
  description: >-
    Two surfaces: the local management API on 127.0.0.1:8765 (Publish) and the
    OAuth endpoints on account.meradomo.com (Connect). No SDK — these HTTP
    endpoints are the integration surface.
  license:
    name: MIT
servers:
  - url: http://127.0.0.1:8765
    description: Local management API (Publish)
  - url: https://account.meradomo.com
    description: Control plane (Connect / OAuth)
security: []
paths:
  /engine/heartbeat:
    post:
      tags:
        - Engine
      summary: Stay attached
      description: >-
        Refreshes your registration. An app that stops heartbeating (or whose
        pid dies) is reaped, so a crash still releases the engine.
      operationId: engineHeartbeat
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - appId
              properties:
                appId:
                  type: string
                pid:
                  type: integer
      responses:
        '200':
          description: Still attached
      servers:
        - url: http://127.0.0.1:8765

````