# Apache Parquet

**Canonical:** https://apis.io/providers/parquet/  
**APIs profiled:** 6

APIs and tools for working with Apache Parquet, the open source columnar storage format for efficient analytics workloads. This index covers the format specification along with the major language implementations.

## Kin Score — 12.1 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 12.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 2.5 (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 |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

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

## APIs (6)

- **Apache Parquet Format Specification** — The core specification for the Parquet columnar storage format.
- **PyArrow Parquet Python API** — Python library for reading and writing Parquet files, distributed as part of Apache Arrow.
- **Parquet Java API** — Java implementation for reading and writing Parquet files.
- **Parquet C++ API** — C++ implementation as part of Apache Arrow.
- **Parquet R API** — R package for reading and writing Parquet files via Apache Arrow.
- **FastParquet Python API** — Alternative Python implementation for Parquet files.

## Security (2)

- **Parquet Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Parquet Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Parquet Plans Pricing**

## Tags

Apache, Big Data, Columnar Storage, Data Format, Parquet

---

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