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

# Get application

> Get the full details of a single application identified by its slug.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/applications/{slug}
openapi: 3.0.0
info:
  title: Engini DeveloperAPI
  version: v1
  description: 'Merged public developer API spec: Identity + WorkflowApi.'
servers:
  - url: https://api.engini.io
security:
  - Bearer: []
  - ApiKey: []
paths:
  /v1/applications/{slug}:
    get:
      tags:
        - Applications
      summary: Get application
      description: Get the full details of a single application identified by its slug.
      operationId: Applications_GetApplication
      parameters:
        - name: slug
          in: path
          required: true
          description: The slug identifying the application to retrieve.
          schema:
            type: string
          x-position: 1
      responses:
        '200':
          description: The detailed representation of the application.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApplicationDetailDTO'
        '400':
          description: Bad request — malformed body or invalid parameters.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: Forbidden — the caller lacks access to the resource.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Too many requests — rate limit exceeded.
          headers:
            Retry-After:
              description: Number of seconds to wait before retrying.
              schema:
                type: integer
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error — an unexpected error occurred.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - Bearer: []
        - ApiKey: []
components:
  schemas:
    ApplicationDetailDTO:
      allOf:
        - $ref: '#/components/schemas/ApplicationDTO'
        - type: object
          description: >-
            Detail view returned by GET
            /api/DeveloperAPI/v1/applications/{slug}.

            Extends ApplicationDTO with auth method details.
          additionalProperties: false
          properties:
            supportsObjectSelection:
              type: boolean
              description: >-
                Whether the application supports selecting specific objects for
                a connection.
            helpUrl:
              type: string
              description: URL of help/documentation for the application.
              nullable: true
            authenticationMethods:
              type: array
              description: Authentication methods supported by the application.
              items:
                $ref: '#/components/schemas/ApplicationAuthMethod'
    ErrorResponse:
      type: object
      description: >-
        Unified error envelope for every non-200 response from
        /api/DeveloperAPI/v1/*.

        See applications-tools-spec.md §"Error envelope".
      additionalProperties: false
      required:
        - errorCode
        - message
        - requestId
        - timestamp
        - path
      properties:
        errorCode:
          type: string
          description: Machine-readable error code identifying the failure.
        message:
          type: string
          description: Human-readable error message.
        requestId:
          type: string
          description: Identifier of the request, for support/correlation.
        timestamp:
          type: string
          description: Timestamp when the error occurred (ISO 8601).
        path:
          type: string
          description: Request path that produced the error.
        details:
          type: array
          description: Per-field validation details, when applicable.
          nullable: true
          items:
            $ref: '#/components/schemas/ErrorDetail'
    ApplicationDTO:
      type: object
      description: |-
        Public Developer API v1 representation of an Application.
        Returned by GET /api/DeveloperAPI/v1/applications.
      additionalProperties: false
      required:
        - slug
        - description
        - connectionRequirement
        - categories
        - toolsCount
        - triggersCount
      properties:
        slug:
          type: string
          description: Stable public slug identifying the application.
        applicationName:
          type: string
          description: Human-readable display name of the application.
          nullable: true
        description:
          type: string
          description: Description of what the application does.
        applicationLogo:
          type: string
          description: URL of the application's logo image.
          nullable: true
        connectionRequirement:
          type: string
          description: Whether and how a connection is required to use this application.
        categories:
          type: array
          description: Categories the application belongs to.
          items:
            type: string
        toolsCount:
          type: integer
          description: Number of tools (activities) the application exposes.
          format: int32
        triggersCount:
          type: integer
          description: Number of triggers the application exposes.
          format: int32
    ApplicationAuthMethod:
      type: object
      additionalProperties: false
      required:
        - authenticationId
        - authenticationType
        - authenticationName
        - connectionFields
        - requiresOAuthSignIn
      properties:
        authenticationId:
          type: integer
          format: int32
        authenticationType:
          type: string
        authenticationName:
          type: string
        description:
          type: string
          nullable: true
        connectionFields:
          type: array
          items:
            $ref: '#/components/schemas/ApplicationConnectionField'
        requiresOAuthSignIn:
          type: boolean
        oAuthProvider:
          type: string
          nullable: true
    ErrorDetail:
      type: object
      description: A single field-level error detail within an ErrorResponse.
      additionalProperties: false
      required:
        - field
        - issue
      properties:
        field:
          type: string
          description: Name of the field the issue relates to.
        issue:
          type: string
          description: Description of the issue with the field.
    ApplicationConnectionField:
      type: object
      additionalProperties: false
      required:
        - fieldName
        - isRequired
        - isRequiredOnSignin
        - isHidden
        - isPassword
        - inputType
        - allowOverride
      properties:
        fieldName:
          type: string
        fieldDescription:
          type: string
          nullable: true
        isRequired:
          type: boolean
        isRequiredOnSignin:
          type: boolean
        isHidden:
          type: boolean
        isPassword:
          type: boolean
        inputType:
          $ref: '#/components/schemas/AppConnectionFieldInputType'
        defaultValue:
          type: string
          nullable: true
        tooltip:
          type: string
          nullable: true
        placeholder:
          type: string
          nullable: true
        listValues:
          type: string
          nullable: true
        allowOverride:
          type: boolean
          description: >-
            When true, callers can supply this field's value per-execution via
            the

            `customConnectionData` array on POST /tools/{toolSlug}/execute.
            Mirrors

            AppConnectionField.AllowOverride.
    AppConnectionFieldInputType:
      type: integer
      description: ''
      x-enumNames:
        - text
        - number
        - list
        - multiline
      enum:
        - 0
        - 1
        - 2
        - 3
  securitySchemes:
    Bearer:
      type: http
      description: Enter your JWT token
      scheme: bearer
      bearerFormat: JWT
    ApiKey:
      type: apiKey
      description: >-
        Opaque Developer API key (prefix `eng_`). Authenticates as the key's
        owner and resolves the account automatically — no Bearer or companytoken
        needed.
      name: x-api-key
      in: header

````