Develop, Build & Integrate

App Development You’re building a HubSpot app (private, custom, or for the Marketplace) and have questions about app architecture, OAuth, scopes, App Cards, App Homes, or App Settings. APIs & Integrations Ask questions and find answers about HubSpot’s APIs. CMS Development All things CMS Development. Ask questions. Give advice. Come join the Developer Community! Developer Announcements A place to read about Developer focused product releases, changes and events

Topic	Replies	Views	Activity
About the Develop, Build & Integrate category Develop, Build & Integrate	0	212	June 12, 2026
Public (legacy) app — incremental scope re-authorization fails with "app governance settings" error APIs & Integrations oauth	3	28	September 11, 2026
Claude WebFetch can't access developer docs CMS Development professional , local-development	2	423	September 11, 2026
Install Button for Marketplace app submission APIs & Integrations third-party-apps	8	8899	September 11, 2026
Commerce Objects in Sandbox/Dev Accounts CMS Development enterprise	2	117	September 11, 2026
How to Integrate a Custom Next.js Website With HubSpot for Email Automation APIs & Integrations contacts	3	25	September 11, 2026
How can I restrict backward pipeline stage movement in HubSpot? APIs & Integrations developer	9	86	September 10, 2026
HubSpot OAuth Token Endpoint does not validate client_id on refresh_token Grants? APIs & Integrations oauth	2	27	September 10, 2026
How do I retrieve collaboration bar comments in HubSpot? APIs & Integrations free , paramètres-du-compte	2	28	September 10, 2026
How can I assign a contact to the currently authenticated user with user-level OAuth? APIs & Integrations third-party-apps	5	37	September 10, 2026
Need updates on changelog for ui-extension npm package & figma kit Develop, Build & Integrate contact-support	1	19	September 10, 2026
How are agencies handling CRM API write validation in HubSpot? APIs & Integrations best-practices	8	57	September 10, 2026
What are the minimum and maximum record ID lengths in HubSpot? APIs & Integrations developer-tools	2	41	September 10, 2026
Form API and Legacy editor APIs & Integrations professional	4	961	September 9, 2026
We're reorganizing the developer space Develop, Build & Integrate announcements , developer	2	32	September 9, 2026
Need integration with DATTO RMM APIs & Integrations timeline-and-extensions-apis	3	1911	September 9, 2026
Workflow API get all actions APIs & Integrations workflows	6	2667	September 9, 2026
LCP issue: longer than 2.5s (mobile) CMS Development professional	5	1996	September 9, 2026
What are the best Courses for Developers Building Native HubSpot Ai RevOps system? Develop, Build & Integrate starter , professional	1	39	September 1, 2026
Querying Hubspot Database with SQL APIs & Integrations workflows , developer-tools , webhooks	9	29819	September 8, 2026
SOAP API v41.0 Retirement — HubSpot Integration Package v3.0.1 APIs & Integrations best-practices	5	59	September 8, 2026
Any way to suppress contact.propertyChange events that fire on contact creation? APIs & Integrations contacts , webhooks	8	78	September 8, 2026
Allow CRM UI extensions to open the native email composer in reply mode APIs & Integrations crm , third-party-apps , developer-tools	1	20	September 7, 2026
ChatGPT HubSpot connector is connected but fails when trying to access a HubSpot landing page draft APIs & Integrations cms-development-tools	2	25	September 7, 2026
File Upload in Custom Integration APIs & Integrations sdk	14	693	September 7, 2026
Getting 403 via Cloudflare when trying to fetch UTM Analytics Reports APIs & Integrations reporting	1	27	September 7, 2026
What’s the best way to structure a CMS for managing game versions, patch notes, and APK downloads? CMS Development free	12	3784	September 7, 2026
/automation/v4 API HTTP 400 APIs & Integrations workflows	5	1777	September 7, 2026
Developer updates for August 2026 Developer Announcements announcements	2	129	September 4, 2026
Breeze intelligence and custom CSS Develop, Build & Integrate breeze	5	48	September 3, 2026