Windmill
Windmill is an open-source developer platform and workflow engine for turning scripts into webhooks, workflows, and internal apps. It supports TypeScript, Python, Go, PHP, Bash, C#, SQL, and Rust, and serves as an open-source alternative to Retool, Airflow, and Temporal for building comprehensive internal tools including endpoints, workflows, and UIs.
Windmill publishes 59 APIs on the APIs.io network, including admin API, agent_workers API, app API, and 56 more. Tagged areas include Automation, Internal Tools, Open Source, ProCode API Composition, and Scripts.
The Windmill catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.
Windmill’s developer surface includes authentication, developer portal, documentation, getting-started guide, pricing, engineering blog, changelog, and 34 more developer resources.
Kin Score
APIs 59
Individual APIs this provider publishes, each with its own machine-readable definition.
Windmill admin API
The admin API from Windmill — 6 operation(s) for admin.
Windmill agent_workers API
The agent_workers API from Windmill — 5 operation(s) for agent_workers.
Windmill app API
The app API from Windmill — 30 operation(s) for app.
Windmill asset API
The asset API from Windmill — 3 operation(s) for asset.
Windmill audit API
The audit API from Windmill — 2 operation(s) for audit.
Windmill azure_trigger API
The azure_trigger API from Windmill — 13 operation(s) for azure_trigger.
Windmill capture API
The capture API from Windmill — 6 operation(s) for capture.
Windmill concurrencyGroups API
The concurrencyGroups API from Windmill — 4 operation(s) for concurrencygroups.
Windmill config API
The config API from Windmill — 9 operation(s) for config.
Windmill documentation API
The documentation API from Windmill — 1 operation(s) for documentation.
Windmill draft API
The draft API from Windmill — 2 operation(s) for draft.
Windmill email_trigger API
The email_trigger API from Windmill — 8 operation(s) for email_trigger.
Windmill favorite API
The favorite API from Windmill — 2 operation(s) for favorite.
Windmill flow API
The flow API from Windmill — 21 operation(s) for flow.
Windmill flow_conversations API
The flow_conversations API from Windmill — 3 operation(s) for flow_conversations.
Windmill folder API
The folder API from Windmill — 11 operation(s) for folder.
Windmill gcp_trigger API
The gcp_trigger API from Windmill — 11 operation(s) for gcp_trigger.
Windmill Git Sync API
The Git Sync API from Windmill — 7 operation(s) for git sync.
Windmill granular_acl API
The granular_acl API from Windmill — 3 operation(s) for granular_acl.
Windmill group API
The group API from Windmill — 19 operation(s) for group.
Windmill health API
The health API from Windmill — 2 operation(s) for health.
Windmill helpers API
The helpers API from Windmill — 22 operation(s) for helpers.
Windmill http_trigger API
The http_trigger API from Windmill — 9 operation(s) for http_trigger.
Windmill indexSearch API
The indexSearch API from Windmill — 7 operation(s) for indexsearch.
Windmill input API
The input API from Windmill — 6 operation(s) for input.
Windmill integration API
The integration API from Windmill — 1 operation(s) for integration.
Windmill job API
The job API from Windmill — 77 operation(s) for job.
Windmill kafka_trigger API
The kafka_trigger API from Windmill — 10 operation(s) for kafka_trigger.
Windmill mcp API
The mcp API from Windmill — 1 operation(s) for mcp.
Windmill mcp_oauth API
The mcp_oauth API from Windmill — 3 operation(s) for mcp_oauth.
Windmill metrics API
The metrics API from Windmill — 3 operation(s) for metrics.
Windmill mqtt_trigger API
The mqtt_trigger API from Windmill — 8 operation(s) for mqtt_trigger.
Windmill native_trigger API
The native_trigger API from Windmill — 13 operation(s) for native_trigger.
Windmill nats_trigger API
The nats_trigger API from Windmill — 8 operation(s) for nats_trigger.
Windmill npm_proxy API
The npm_proxy API from Windmill — 4 operation(s) for npm_proxy.
Windmill oauth API
The oauth API from Windmill — 13 operation(s) for oauth.
Windmill oidc API
The oidc API from Windmill — 1 operation(s) for oidc.
Windmill openapi API
The openapi API from Windmill — 2 operation(s) for openapi.
Windmill path_autocomplete API
The path_autocomplete API from Windmill — 1 operation(s) for path_autocomplete.
Windmill postgres_trigger API
The postgres_trigger API from Windmill — 20 operation(s) for postgres_trigger.
Windmill raw_app API
The raw_app API from Windmill — 1 operation(s) for raw_app.
Windmill resource API
The resource API from Windmill — 23 operation(s) for resource.
Windmill schedule API
The schedule API from Windmill — 10 operation(s) for schedule.
Windmill script API
The script API from Windmill — 34 operation(s) for script.
Windmill service_logs API
The service_logs API from Windmill — 2 operation(s) for service_logs.
Windmill setting API
The setting API from Windmill — 43 operation(s) for setting.
Windmill settings API
The settings API from Windmill — 4 operation(s) for settings.
Windmill sqs_trigger API
The sqs_trigger API from Windmill — 8 operation(s) for sqs_trigger.
Windmill teams API
The teams API from Windmill — 1 operation(s) for teams.
Windmill token API
The token API from Windmill — 1 operation(s) for token.
Windmill trigger API
The trigger API from Windmill — 2 operation(s) for trigger.
Windmill user API
The user API from Windmill — 53 operation(s) for user.
Windmill variable API
The variable API from Windmill — 10 operation(s) for variable.
Windmill volume API
The volume API from Windmill — 4 operation(s) for volume.
Windmill websocket_trigger API
The websocket_trigger API from Windmill — 8 operation(s) for websocket_trigger.
Windmill worker API
The worker API from Windmill — 9 operation(s) for worker.
Windmill workspace API
The workspace API from Windmill — 96 operation(s) for workspace.
Windmill workspace_dependencies API
The workspace_dependencies API from Windmill — 5 operation(s) for workspace_dependencies.
Windmill workspace_integration API
The workspace_integration API from Windmill — 8 operation(s) for workspace_integration.
Scroll for all 59
Postman Collections 59
Ready-to-run Postman collections for exercising this provider's APIs.
Windmill admin API
POSTMANWindmill admin app API
POSTMANWindmill admin asset API
POSTMANWindmill admin audit API
POSTMANWindmill admin capture API
POSTMANWindmill admin config API
POSTMANWindmill admin draft API
POSTMANWindmill admin favorite API
POSTMANWindmill admin flow API
POSTMANWindmill admin folder API
POSTMANWindmill admin Git Sync API
POSTMANWindmill admin group API
POSTMANWindmill admin health API
POSTMANWindmill admin helpers API
POSTMANWindmill admin input API
POSTMANWindmill admin job API
POSTMANWindmill admin mcp API
POSTMANWindmill admin mcp_oauth API
POSTMANWindmill admin metrics API
POSTMANWindmill admin npm_proxy API
POSTMANWindmill admin oauth API
POSTMANWindmill admin oidc API
POSTMANWindmill admin openapi API
POSTMANWindmill admin raw_app API
POSTMANWindmill admin resource API
POSTMANWindmill admin schedule API
POSTMANWindmill admin script API
POSTMANWindmill admin setting API
POSTMANWindmill admin settings API
POSTMANWindmill admin teams API
POSTMANWindmill admin token API
POSTMANWindmill admin trigger API
POSTMANWindmill admin user API
POSTMANWindmill admin variable API
POSTMANWindmill admin volume API
POSTMANWindmill admin worker API
POSTMANWindmill admin workspace API
POSTMANScroll for all 59
Open Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Windmill API
OPEN COLLECTIONArazzo Workflows 10
Multi-step API workflows described with the Arazzo specification.
Windmill Bootstrap a Workspace
Create a workspace, confirm it exists, then read back its display name.
ARAZZOWindmill Create and Run a Script
Deploy a new script from source, confirm it deployed, then run it.
ARAZZOWindmill Provision a Resource and Run a Consuming Script
Create a typed resource, verify its value, then run a script that consumes it.
ARAZZOWindmill Provision a Variable and Run a Consuming Script
Create a variable, verify its value, then run a script that reads it.
ARAZZOWindmill Run a Flow and Await its Result
Trigger a flow by path, poll job updates until completion, then read the result.
ARAZZOWindmill Run a Script and Await its Result
Trigger a script by path, poll the job until it completes, then read the result.
ARAZZOWindmill Run a Script and Clean up its Job
Run a script, await its result, capture it, then delete the completed job record.
ARAZZOWindmill Run a Script with a Cancel Guard
Run a script, inspect the job, and cancel it if it is still queued or running.
ARAZZOWindmill Schedule a Flow
Resolve a flow, create a cron schedule for it, then read the schedule back.
ARAZZOWindmill Schedule a Script
Resolve a script, create a cron schedule for it, then read the schedule back.
ARAZZOScroll for all 10
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Windmill Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Windmill Finops
FINOPSSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Windmill Context
JSON-LDSpectral Rules 2
Spectral governance rulesets for linting and validating these APIs.
Windmill API Rules
SPECTRALWindmill API Rules
SPECTRALJSON Schema 10
Standalone JSON Schema definitions for this provider's data models.
CompletedJob
JSON SCHEMACreateVariable
JSON SCHEMAFlow
JSON SCHEMAJob
JSON SCHEMAQueuedJob
JSON SCHEMAResource
JSON SCHEMASchedule
JSON SCHEMAScript
JSON SCHEMAUser
JSON SCHEMAWorkspace
JSON SCHEMAScroll for all 10
JSON Structure 7
JSON Structure definitions describing this provider's data shapes.
Windmill Flow Structure
JSON STRUCTUREWindmill Job Structure
JSON STRUCTUREWindmill Resource Structure
JSON STRUCTUREWindmill Schedule Structure
JSON STRUCTUREWindmill Script Structure
JSON STRUCTUREWindmill User Structure
JSON STRUCTUREWindmill Workspace Structure
JSON STRUCTUREScroll for all 7
Examples 4
Example request and response payloads for these APIs.
Windmill Run Script Example
EXAMPLESecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 3
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 12
Pagination, idempotency, versioning, errors, and events
Scroll for all 12
Build 4
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Operate 5
Status, limits, changes, and where to get help
Commercial 5
Pricing, plans, and the legal terms of use
Company 4
The organization behind the API
Other 2
Properties that don't map to a standard resource type