# JDownloader

**Canonical:** https://apis.io/providers/jdownloader/  
**Website:** https://jdownloader.org/  
**APIs profiled:** 1

JDownloader provides a popular download manager application that simplifies downloading files from the internet. It supports multiple hosters, automatic extraction, captcha solving, and bandwidth management. The company offers both a free version and premium subscriptions, with a focus on user-friendly features and extensive plugin support for various services.

## Kin Score — 13.2 / 100 (emerging)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 55.4 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 7.1 |
| Access Clarity | 21.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 19.6 (matched via fallback).

## Agent readiness — 6.0 (agent-aware)

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

## APIs (1)

- **JDownloader API** — The JDownloader service provides a download manager with a web interface and API endpoints for managing downloads, plugins, and account information. Documentation is available o...

## Security (2)

- **Jdownloader Domain Security** — TLSv1.3 · HSTS · DMARC
- **Jdownloader Vulnerability Disclosure** — no policy recorded

## Tags

Company, Download-Manager, File-Transfer, Java, Freemium

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