# Flask

**Canonical:** https://apis.io/providers/flask/  
**Website:** https://flask.palletsprojects.com/  
**APIs profiled:** 1

Flask is a lightweight WSGI web application framework for Python, designed to make getting started quick and easy with the ability to scale up to complex applications. It provides a simple core with Jinja2 templating and Werkzeug WSGI toolkit, and is extensible through a rich ecosystem of extensions for database integration, form validation, authentication, and more. Flask is a popular foundation for building APIs and web services in Python.

## Kin Score — 20.6 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 20.6).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 8.5 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| 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 |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (1)

- **Flask** — Flask is a lightweight WSGI web application framework for Python. It is commonly used as a foundation for building HTTP APIs and web services. While Flask itself does not expose...

## Security (1)

- **Flask Domain Security** — TLSv1.3

## Plans (1)

- **Flask Plans Pricing**

## Tags

Frameworks, Lightweight, Microframework, pallets, Python, Web Framework, WSGI

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