fal

fal Apps API

List and inspect deployed Serverless apps.

Documentation GitHub OpenAPI

Operations 2

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /serverless/apps List the organization's serverless apps · List Serverless Apps #

Ask an LLM

“Which serverless apps has my organization deployed on fal?”

“Can I see every custom GPU app deployed under my API key's org?”

Tell an agent

List all serverless apps deployed in my organization.

Show every custom app my team has deployed.

GET /serverless/apps/{app_id} Get a serverless app's details and scaling · Get Serverless App #

Ask an LLM

“What endpoint URL does one of my deployed serverless apps use?”

“Can I check the current scaling settings of a specific app I deployed?”

Tell an agent

Get the details of serverless app {app_id}.

Show the endpoint URL and scaling parameters for {app_id}.

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OpenAPI Specification

openapi: 3.2.0
info:
  title: fal Serverless Platform Apps API
  description: Platform control-plane endpoints for managing fal Serverless applications — custom GPU functions and apps deployed using `@fal.function`, `fal.App`, or bring-your-own containers. Covers app metadata, scaling, secrets, files, and execution analytics. This API backs the `fal` CLI (`fal apps list`, `fal secrets`, `fal deploy`).
  version: v1
  contact:
    name: fal Support
    url: https://fal.ai/support
  license:
    name: fal Terms of Service
    url: https://fal.ai/legal/terms-of-service
servers:
- url: https://rest.alpha.fal.ai
  description: fal REST control-plane
security:
- FalKeyAuth: []
tags:
- name: Apps
  description: List and inspect deployed Serverless apps.
paths:
  /serverless/apps:
    get:
      summary: List Serverless Apps
      description: Return every Serverless app deployed under the calling key's organization.
      operationId: listApps
      tags:
      - Apps
      responses:
        '200':
          description: Apps owned by the organization.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ServerlessApp'
              examples:
                Apps:
                  $ref: '#/components/examples/AppsExample'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /serverless/apps/{app_id}:
    get:
      summary: Get Serverless App
      description: Retrieve metadata, endpoint URL, and current scaling parameters for an app.
      operationId: getApp
      tags:
      - Apps
      parameters:
      - $ref: '#/components/parameters/AppId'
      responses:
        '200':
          description: App detail.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ServerlessApp'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    NotFound:
      description: App or resource not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    ErrorResponse:
      type: object
      properties:
        detail:
          type: string
    ServerlessApp:
      type: object
      required:
      - id
      - name
      - endpoint
      properties:
        id:
          type: string
        name:
          type: string
        endpoint:
          type: string
          format: uri
          description: Invocation URL for the app.
        gpu:
          type: string
          description: GPU class (e.g. `H100`, `A100`).
        keep_alive:
          type: integer
          description: Seconds a warm worker is kept after the last request.
        min_concurrency:
          type: integer
        max_concurrency:
          type: integer
        public:
          type: boolean
  parameters:
    AppId:
      name: app_id
      in: path
      required: true
      description: Serverless app identifier (e.g. `my-org/my-flux-finetune`).
      schema:
        type: string
  examples:
    AppsExample:
      summary: Two deployed apps
      value:
      - id: my-org/flux-finetune
        name: flux-finetune
        endpoint: https://fal.run/my-org/flux-finetune
        gpu: H100
        keep_alive: 60
        min_concurrency: 0
        max_concurrency: 8
        public: false
      - id: my-org/sdxl-lcm
        name: sdxl-lcm
        endpoint: https://fal.run/my-org/sdxl-lcm
        gpu: A100
        keep_alive: 120
        min_concurrency: 1
        max_concurrency: 16
        public: true
  securitySchemes:
    FalKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: 'Pass the fal API key as `Authorization: Key $FAL_KEY`.'

fal Apps API

Operations 2

Documentation

Specifications

Schemas & Data

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