# Kotlin

**Canonical:** https://apis.io/providers/kotlin/  
**Website:** https://kotlinlang.org/  
**APIs profiled:** 2

Kotlin is a modern, concise, and safe programming language for the JVM, Android, and multiplatform development. It is developed by JetBrains and provides full interoperability with Java. Kotlin's standard library and ecosystem offer rich APIs for building applications across all platforms.

## Kin Score — 14.1 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 14.1).

| Facet | Score |
|---|---|
| Discoverability | 66.7 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 14.3 |
| 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 (2)

- **Kotlin Standard Library API** — Core Kotlin standard library with collections, I/O, and utility functions.
- **Kotlin Coroutines API** — Library support for Kotlin coroutines with async/await patterns.

## Security (1)

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

## Plans (1)

- **Kotlin Plans Pricing**

## Tags

Android, JVM, Kotlin, Multiplatform, Programming Language

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