Independent checklist bundle
HubSpot Projects CLI checklist for the 2026 legacy public app creation sunset
Source-linked pages, a decision workflow, and buyer-ready checklists for teams creating new public apps with Projects-based CLI workflows.
Use it to classify your app, choose the official HubSpot source to open next, and prepare a developer handoff without claiming official status, certification, endorsement, or guaranteed migration results.
Independent educational guide. Not affiliated with, endorsed by, or sponsored by HubSpot. Verify critical commands and platform behavior against official HubSpot documentation before deploying.
| Date | Who to check | What changes |
|---|---|---|
| 2026-05-26 | New developer accounts created on or after this date | New legacy public app creation is disabled |
| 2026-06-23 | Developer accounts created before 2026-05-26 | New legacy public app creation is disabled |
| 2026-10-31 | Apps using classic or legacy CRM cards | Separate app-card modernization deadline |
Choose your path
Start With The Question You Actually Have
I need to understand the 2026 dates
Clarify May 26 and June 23 without turning the creation sunset into an existing-app shutdown claim.
Open pathI am creating a new public app
Review the Projects-based CLI creation path and Marketplace preparation checkpoints.
Open pathI need to choose a migration path
Separate `hs app migrate`, `hs project migrate`, private app review, and platform-version work.
Open pathQuick Path Finder
Pick the closest situation. The result is a path to verify, not a guaranteed command.
Scope
New legacy public app creation path, not existing app shutdown.
Output
Checklist, command map, tracker, and developer handoff.
Pages
Long-tail task pages mapped to official source links.
Core Guides
Each page targets a concrete search intent and links back to official HubSpot documentation. Start with the closest match, then follow the related guides.
Understand the deadline and avoid overreacting.
HubSpot Legacy Public App Creation Sunset: May 26 and June 23, 2026
A source-linked explanation of who is affected by the HubSpot legacy public app creation sunset and what Projects CLI path to review next.
Open guideRun a preflight before creating or migrating an app.
HubSpot Projects CLI Checklist
A practical preflight checklist for Projects CLI app creation, migration planning, app-hsmeta.json review, Marketplace readiness, and CI notes.
Open guideCreate a new app with the Projects-based workflow.
Use hs project create for a New HubSpot Marketplace App
How to think about the Projects CLI new app path for public or Marketplace app development after the legacy creation sunset.
Open guideDecide whether this is a creation issue or a modernization issue.
Legacy Public App vs Projects App
A decision guide for understanding the difference between legacy public app creation and Projects-based app development.
Open guideChoose the likely migration command path.
hs app migrate vs hs project migrate
A source-linked command decision guide for choosing which HubSpot migration path to verify.
Open guideAvoid choosing an unsupported automatic path.
HubSpot Private App Projects Migration
A cautious guide to private app migration limitations and manual planning for Projects-based app workflows.
Open guideAll SEO guides
Browse By Task
Built for long-tail searches around HubSpot Projects CLI, app creation, migration planning, private app limits, Marketplace readiness, and CRM card modernization.
Get the full Projects CLI Skill Pack
Includes the agent skill, command cheatsheet, checklist, CSV tracker, handoff template, and official source map.
Independent educational product. Gumroad checkout opens in a separate page; no official affiliation or guarantee is implied.
Official Sources
Independent educational guide. Not affiliated with, endorsed by, or sponsored by HubSpot. Verify critical commands and platform behavior against official HubSpot documentation before deploying.