# Five Jack

**Canonical:** https://apis.io/providers/five-jack/  
**Website:** https://www.itemku.com/en/  
**APIs profiled:** 0

Five Jack (PT. Five Jack) is the Indonesian company behind itemku, one of Southeast Asia's largest digital-goods marketplaces for gamers. Founded in 2014 as a game price-comparison and classifieds platform, itemku grew into a full marketplace where buyers and sellers trade in-game items, currency, account top-ups, game keys, and vouchers across 200+ game categories including Roblox, Genshin Impact, Mobile Legends, Dota 2, Steam, and Growtopia. The company reached one million orders in 2018, launched its Android app and gaming blog in 2020, and became part of Bukalapak (IDX: BUKA) in May 2021. Five Jack was surfaced as a portfolio company of 500 Global and added to the API Evangelist network. It operates a consumer-facing marketplace and does not currently publish a public developer API, SDKs, or developer portal.

## Kin Score — 8.9 / 100 (minimal)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 8.9).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 17.1 |
| Access Clarity | 17.1 |

## Agent readiness — 0.0 (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 | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Five Jack Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Marketplace, Gaming, Digital Goods, E-Commerce, Indonesia, Game Top-Up, Consumer

---

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