aid: jam-gg
name: Jam.gg
description: >-
  Jam.gg, founded in Paris in 2020 as Piepacker and rebranded in 2022, built a browser-based social
  cloud gaming platform for playing retro and indie multiplayer games with friends with no download or
  install, on patented streaming technology the company said cut bandwidth requirements by roughly 15x.
  It passed 8 million users before pivoting to selling its cloud gaming technology B2B to game
  developers and publishers. Backed by Makers Fund, Serena Capital, LEGO Ventures, Kima Ventures and
  Kickstarter (~$15.4M raised) and a Y Combinator W20 company. Jam.gg never published an HTTP API: its
  developer surface was a native game-integration SDK plus a Compose Multiplatform virtual gamepad
  library, both shipped from the GitHub organization still named piepacker. Y Combinator's company
  directory now lists Jam.gg as Inactive, noting the business split into two entities in 2023 with
  Onibi emerging separately; the jam.gg web property no longer completes a TLS handshake and
  piepacker.com has left DNS.
url: https://raw.githubusercontent.com/api-evangelist/jam-gg/refs/heads/main/apis.yml
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - rate-limits
  - security
  - sandbox
  generated: '2026-09-02'
  method: derived
image: https://avatars.githubusercontent.com/u/51542573?v=4
x-type: company
x-source: serena-portfolio
x-tier: historical
x-tier-reason: inactive-no-api-surface
x-status: inactive
x-status-source: https://www.ycombinator.com/companies/jam-gg
x-former-name: Piepacker
specificationVersion: '0.23'
created: '2026-08-17'
modified: '2026-08-17'
tags:
- Company
- Gaming
- Cloud Gaming
- Games
- Game Development
- Emulation
- SDK
- WebRTC
- France
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/jam-gg-domain-security.yml
- type: Website
  url: https://jam.gg/
- type: GitHubOrganization
  url: https://github.com/piepacker
- type: Packages
  url: packages/jam-gg-packages.yml
- type: SDKs
  url: packages/jam-gg-packages.yml
- type: Sandbox
  url: sandbox/jam-gg-sandbox.yml
- type: Plans
  url: plans/jam-gg-plans-pricing.yml
- type: RateLimits
  url: rate-limits/jam-gg-rate-limits.yml
- type: LLMsTxt
  url: llms/jam-gg-llms.txt
x-enrichment:
  date: '2026-08-17'
  status: minimal
  artifacts_added: 7
  pass: local-v1
x-coverage:
  state: none
  reason: defunct
  detail: >-
    Jam.gg never shipped an HTTP API, and the company is now listed Inactive by Y Combinator — its own
    web property cannot complete a TLS handshake on either host (jam.gg answers the ClientHello with
    TLS alert 80 internal_error from Netlify/AWS Global Accelerator, www.jam.gg answers with alert 40
    handshake_failure from the Webflow proxy), piepacker.com has left DNS, and no api/docs/developers
    subdomain resolves, so the only reachable artifacts are the first-party SDK repositories on GitHub.
  evidence:
  - url: http://jam.gg/
    status: 301
  - url: https://jam.gg/
    status: 0
  - url: https://www.jam.gg/
    status: 0
  - url: https://www.ycombinator.com/companies/jam-gg
    status: 200
  - url: https://github.com/piepacker
    status: 200
  - url: https://repo1.maven.org/maven2/io/github/piepacker/jampadcompose/maven-metadata.xml
    status: 200
  checked: '2026-08-17'