# FastAPI

**Canonical:** https://apis.io/providers/fastapi/  
**Website:** https://fastapi.tiangolo.com  
**APIs profiled:** 1

FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints.

## Kin Score — 20.1 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 20.1).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 8.5 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 26.2 |
| 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)

- **FastAPI Framework** — Modern, fast web framework for building APIs with Python based on standard Python type hints.

## Security (1)

- **Fastapi Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Fastapi Plans Pricing**

## Tags

Async, High Performance, OpenAPI, Pydantic, Python, REST, Swagger, Type Hints, Web Framework

---

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