# Windmill

**Canonical:** https://apis.io/providers/windmill/  
**Website:** https://www.windmill.dev  
**APIs profiled:** 59

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.

## Kin Score — 50.6 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 50.6).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 51.5 |
| Governance | 54.5 |
| Contract Governance | 54.5 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 54.8 |
| Commercial Clarity | 53.9 |
| Access Clarity | 53.9 |

## Agent readiness — 26.6 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | verified |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (59)

- **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.
- …and 19 more, listed in full on the page.

## Agentic access (1)

- **Windmill Agentic Access** — 714 operations · 361 acting · 6 human-in-the-loop

## Security (2)

- **Windmill Authentication** — apiKey/http · 2 schemes
- **Windmill Domain Security** — TLSv1.3 · DNSSEC · DMARC

## Plans (1)

- **Windmill Plans Pricing**

## Tags

Automation, Internal Tools, Open-Source, Pro-Code-API-Composition, Scripts, Webhook, Workflow Engine, Workflows

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/windmill/). Scores are computed from the provider's own public artifacts under a published rubric.