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

# Public process liveness



## OpenAPI

````yaml /api-reference/openapi.json get /health
openapi: 3.1.0
info:
  description: >-
    Authenticated loopback remote execution and declarative schedules.
    Artifacts, schedule list/delete/trigger/backfill, /v1/arm, and POST /v1/run
    are absent.
  title: nika serve
  version: 0.116.2
servers:
  - url: http://127.0.0.1
security:
  - bearerAuth: []
paths:
  /health:
    get:
      summary: Public process liveness
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Health'
          description: Engine identity only
      security: []
components:
  schemas:
    Health:
      additionalProperties: false
      properties:
        api_version:
          minLength: 1
          type: string
        buildSha:
          minLength: 1
          type: string
        build_sha:
          minLength: 1
          type: string
        checkReportVersion:
          minimum: 1
          type: integer
        engineVersion:
          minLength: 1
          type: string
        engine_version:
          minLength: 1
          type: string
        eventFormatVersion:
          minimum: 1
          type: integer
        machineProtocolVersion:
          minimum: 1
          type: integer
        service:
          const: nika-serve
          type: string
        snapshotFormatVersion:
          minimum: 1
          type: integer
        specSha:
          minLength: 1
          type: string
        spec_sha:
          minLength: 1
          type: string
        status:
          const: ok
          type: string
        supportedCapabilities:
          items:
            type: string
          type: array
          uniqueItems: true
        traceFormatVersion:
          minimum: 1
          type: integer
      required:
        - status
        - service
        - engine_version
        - build_sha
        - spec_sha
        - api_version
        - engineVersion
        - buildSha
        - specSha
        - machineProtocolVersion
        - snapshotFormatVersion
        - checkReportVersion
        - eventFormatVersion
        - traceFormatVersion
        - supportedCapabilities
      type: object
  securitySchemes:
    bearerAuth:
      description: 'Exactly one Authorization: Bearer value from the token file'
      scheme: bearer
      type: http

````