# Develop, Build & Integrate **URL:** https://community.hubspot.com/c/develop-build-integrate/58.md?page=9 [Latest](https://community.hubspot.com/latest.md) · [Categories](https://community.hubspot.com/categories.md) · [Tags](https://community.hubspot.com/tags.md) **Page:** 10 --- ## [Whathub alternative?](https://community.hubspot.com/t/whathub-alternative/136892)
**Author:** [@prozakis](https://community.hubspot.com/u/prozakis)\ **Replies:** 9\ **Last updated:** [September 23, 2026, 12:19am UTC](https://community.hubspot.com/t/whathub-alternative/136892 "2026-09-23T00:19:32Z")
I believe it is now obvious that WhatHub has collapsed. They haven’t responded to any communication for about 2 years. The … --- ## [Salesforce activity sync definitions](https://community.hubspot.com/t/salesforce-activity-sync-definitions/159206)
**Author:** [@Huntscape-Ops](https://community.hubspot.com/u/Huntscape-Ops)\ **Replies:** 5\ **Last updated:** [September 22, 2026, 7:53pm UTC](https://community.hubspot.com/t/salesforce-activity-sync-definitions/159206 "2026-09-22T19:53:11Z")
In the sync setting for SFDC to HubSpot, under activities there is a large list of option. “Sales content viewed” - What is … --- ## [Custom Objects: API endpoint for including fields in a form](https://community.hubspot.com/t/custom-objects-api-endpoint-for-including-fields-in-a-form/150608)
**Author:** [@ilan-lgtm](https://community.hubspot.com/u/ilan-lgtm)\ **Replies:** 4\ **Last updated:** [September 22, 2026, 3:57pm UTC](https://community.hubspot.com/t/custom-objects-api-endpoint-for-including-fields-in-a-form/150608 "2026-09-22T15:57:43Z")
Hey everybody! New to HubSpot and struggling with some of the Custom Object API endpoints. What I want to achieve: Create a new Custom Object via API (one or multiple calls) after which, without any manual property in… --- ## [Public (legacy) app — incremental scope re-authorization fails with "app governance settings" error](https://community.hubspot.com/t/public-legacy-app-incremental-scope-re-authorization-fails-with-app-governance-settings-error/158577)
**Author:** [@developer](https://community.hubspot.com/u/developer)\ **Replies:** 9\ **Last updated:** [September 22, 2026, 2:32pm UTC](https://community.hubspot.com/t/public-legacy-app-incremental-scope-re-authorization-fails-with-app-governance-settings-error/158577 "2026-09-22T14:32:10Z")
We provide an iPaaS service. We created a public app on the legacy app platform and issue its client\_id to our customers. Eac… --- ## [Production blocker: MCP Auth App installation limit and account transfer](https://community.hubspot.com/t/production-blocker-mcp-auth-app-installation-limit-and-account-transfer/159293)
**Author:** [@andyviera](https://community.hubspot.com/u/andyviera)\ **Replies:** 2\ **Last updated:** [September 22, 2026, 1:18pm UTC](https://community.hubspot.com/t/production-blocker-mcp-auth-app-installation-limit-and-account-transfer/159293 "2026-09-22T13:18:37Z")
Hi there, Our Circleback MCP Auth App (ID: 39677655) uses the official HubSpot MCP server. New customers cannot connect beca… --- ## [HubSpot Forms API: CORS policy & CORS preflight error for custom domain](https://community.hubspot.com/t/hubspot-forms-api-cors-policy-cors-preflight-error-for-custom-domain/159385)
**Author:** [@avangartclinic](https://community.hubspot.com/u/avangartclinic)\ **Replies:** 2\ **Last updated:** [September 22, 2026, 12:46pm UTC](https://community.hubspot.com/t/hubspot-forms-api-cors-policy-cors-preflight-error-for-custom-domain/159385 "2026-09-22T12:46:08Z")
Hello HubSpot Community, We are currently integrating the HubSpot Forms API (v3) on our clinic web portal to submit patient … --- ## [Sync Properties](https://community.hubspot.com/t/sync-properties/103987)
**Author:** [@DAguiar1](https://community.hubspot.com/u/DAguiar1)\ **Replies:** 2\ **Last updated:** [April 5, 2024, 11:06pm UTC](https://community.hubspot.com/t/sync-properties/103987 "2024-04-05T23:06:00Z")
When it comes to synchronizing HubSpot Properties, maintaining consistency across various HubSpot objects can often be a manu… --- ## [Is the 500/day cross-object query limit on the HubSpot MCP server tied to subscription tier?](https://community.hubspot.com/t/is-the-500-day-cross-object-query-limit-on-the-hubspot-mcp-server-tied-to-subscription-tier/158922)
**Author:** [@SteveM](https://community.hubspot.com/u/SteveM)\ **Replies:** 3\ **Last updated:** [September 18, 2026, 2:22pm UTC](https://community.hubspot.com/t/is-the-500-day-cross-object-query-limit-on-the-hubspot-mcp-server-tied-to-subscription-tier/158922 "2026-09-18T14:22:15Z")
We’re using HubSpot’s MCP server (the query\_crm\_data tool) and hitting this error after a batch of queries that join across o… --- ## [WhatsApp WABA still linked to HubSpot shared credit line after disconnect](https://community.hubspot.com/t/whatsapp-waba-still-linked-to-hubspot-shared-credit-line-after-disconnect/159159)
**Author:** [@Germanalan](https://community.hubspot.com/u/Germanalan)\ **Replies:** 1\ **Last updated:** [September 21, 2026, 6:58pm UTC](https://community.hubspot.com/t/whatsapp-waba-still-linked-to-hubspot-shared-credit-line-after-disconnect/159159 "2026-09-21T18:58:26Z")
I need technical assistance with a residual HubSpot/WhatsApp Business connection that I cannot remove from either HubSpot or … --- ## [How can I assign a contact to the currently authenticated user with user-level OAuth?](https://community.hubspot.com/t/how-can-i-assign-a-contact-to-the-currently-authenticated-user-with-user-level-oauth/158550)
**Author:** [@ajarbol](https://community.hubspot.com/u/ajarbol)\ **Replies:** 6\ **Last updated:** [September 21, 2026, 3:38pm UTC](https://community.hubspot.com/t/how-can-i-assign-a-contact-to-the-currently-authenticated-user-with-user-level-oauth/158550 "2026-09-21T15:38:20Z")
We’re building a HubSpot app using user-level OAuth and are trying to assign newly created contacts to the HubSpot user who i… --- ## [Help with layout](https://community.hubspot.com/t/help-with-layout/136295)
**Author:** [@TaylorLioy](https://community.hubspot.com/u/TaylorLioy)\ **Replies:** 5\ **Last updated:** [September 21, 2026, 10:50am UTC](https://community.hubspot.com/t/help-with-layout/136295 "2026-09-21T10:50:35Z")
Hello -- I’m trying to figure out how to get my slider elements at the top of this test page to stay exactly where they are n… --- ## [How to build App with individual access](https://community.hubspot.com/t/how-to-build-app-with-individual-access/159036)
**Author:** [@ramkumar1021](https://community.hubspot.com/u/ramkumar1021)\ **Replies:** 8\ **Last updated:** [September 21, 2026, 4:37am UTC](https://community.hubspot.com/t/how-to-build-app-with-individual-access/159036 "2026-09-21T04:37:32Z")
Hi Community, i seeing some Apps with Access to individual. Can you share some details/documentations on how developers can b… --- ## [Project not building](https://community.hubspot.com/t/project-not-building/141359)
**Author:** [@Riyadh9292](https://community.hubspot.com/u/Riyadh9292)\ **Replies:** 2\ **Last updated:** [September 18, 2026, 2:25pm UTC](https://community.hubspot.com/t/project-not-building/141359 "2026-09-18T14:25:57Z")
I created a project(v 2025.2), there I added some serverless functions. Everything was fine untill yesterday. Now project is… --- ## [Accidentally Deleted App – Unable to Delete Developer Project](https://community.hubspot.com/t/accidentally-deleted-app-unable-to-delete-developer-project/138977)
**Author:** [@NVaniyanValap](https://community.hubspot.com/u/NVaniyanValap)\ **Replies:** 2\ **Last updated:** [September 18, 2026, 2:11pm UTC](https://community.hubspot.com/t/accidentally-deleted-app-unable-to-delete-developer-project/138977 "2026-09-18T14:11:05Z")
Hi Community, I’m trying to delete a developer project in my HubSpot developer account, but I don’t see any option to remove… --- ## [RingEx and Ring CX integration with hubspot](https://community.hubspot.com/t/ringex-and-ring-cx-integration-with-hubspot/159197)
**Author:** [@vinayakhnr6](https://community.hubspot.com/u/vinayakhnr6)\ **Replies:** 1\ **Last updated:** [September 17, 2026, 2:22pm UTC](https://community.hubspot.com/t/ringex-and-ring-cx-integration-with-hubspot/159197 "2026-09-17T14:22:56Z")
Hi guys, I have to integrate RingCx and Ex with hubspot. Have some questions. I don’t know about this two applications. Let m… --- ## [How do you get HubSpot deals into Google Sheets without paying for a full connector?](https://community.hubspot.com/t/how-do-you-get-hubspot-deals-into-google-sheets-without-paying-for-a-full-connector/158978)
**Author:** [@preflightchecklist](https://community.hubspot.com/u/preflightchecklist)\ **Replies:** 1\ **Last updated:** [September 17, 2026, 2:21pm UTC](https://community.hubspot.com/t/how-do-you-get-hubspot-deals-into-google-sheets-without-paying-for-a-full-connector/158978 "2026-09-17T14:21:40Z")
Curious what people actually run in production for pipeline → Google Sheets. Context I’m seeing: Official HubSpot Sheets a… --- ## [Left-over UI element from Salesforce integration](https://community.hubspot.com/t/left-over-ui-element-from-salesforce-integration/159180)
**Author:** [@KelHill](https://community.hubspot.com/u/KelHill)\ **Replies:** 0\ **Last updated:** [September 17, 2026, 1:39pm UTC](https://community.hubspot.com/t/left-over-ui-element-from-salesforce-integration/159180 "2026-09-17T13:39:14Z")
Uninstalling the Salesforce integration has not removed all UI elements related to it. The attached example is in Segments. R… --- ## [Free workflow action to normalize CRM data (names, phones, domains) — built this, sharing in case us](https://community.hubspot.com/t/free-workflow-action-to-normalize-crm-data-names-phones-domains-built-this-sharing-in-case-us/159115)
**Author:** [@J5G](https://community.hubspot.com/u/J5G)\ **Replies:** 0\ **Last updated:** [September 16, 2026, 11:39pm UTC](https://community.hubspot.com/t/free-workflow-action-to-normalize-crm-data-names-phones-domains-built-this-sharing-in-case-us/159115 "2026-09-16T23:39:38Z")
Hey all — built a small free HubSpot app called CleanMerge that adds a custom workflow action for cleaning up messy property … --- ## [HubSpot–Salesforce sync issue: MQL syncing to Contact instead of Lead in SF](https://community.hubspot.com/t/hubspot-salesforce-sync-issue-mql-syncing-to-contact-instead-of-lead-in-sf/155497)
**Author:** [@Krishma](https://community.hubspot.com/u/Krishma)\ **Replies:** 9\ **Last updated:** [September 16, 2026, 10:52pm UTC](https://community.hubspot.com/t/hubspot-salesforce-sync-issue-mql-syncing-to-contact-instead-of-lead-in-sf/155497 "2026-09-16T22:52:41Z")
We are facing a HubSpot–Salesforce sync issue where a contact already exists in Salesforce under contact object, and when the… --- ## [Getting 415 media type errror](https://community.hubspot.com/t/getting-415-media-type-errror/102234)
**Author:** [@ramanverma2005](https://community.hubspot.com/u/ramanverma2005)\ **Replies:** 5\ **Last updated:** [September 16, 2026, 12:02pm UTC](https://community.hubspot.com/t/getting-415-media-type-errror/102234 "2026-09-16T12:02:44Z")
Hi I am also trying to hit the hubspot serverless end point from cybersecure webhook but I am getting the same 415 error Mos… --- ## [Why won’t Xero connect in HubSpot when 2FA is properly enabled?](https://community.hubspot.com/t/why-won-t-xero-connect-in-hubspot-when-2fa-is-properly-enabled/157914)
**Author:** [@Callum\_M](https://community.hubspot.com/u/Callum_M)\ **Replies:** 10\ **Last updated:** [September 16, 2026, 11:05am UTC](https://community.hubspot.com/t/why-won-t-xero-connect-in-hubspot-when-2fa-is-properly-enabled/157914 "2026-09-16T11:05:48Z")
Hi Everyone, Currently I am trying to integrate my Xero account with my free Hubspot account but every time I try to connect… --- ## [How to Integrate a Custom Next.js Website With HubSpot for Email Automation](https://community.hubspot.com/t/how-to-integrate-a-custom-next-js-website-with-hubspot-for-email-automation/158609)
**Author:** [@alinay](https://community.hubspot.com/u/alinay)\ **Replies:** 5\ **Last updated:** [September 15, 2026, 1:46pm UTC](https://community.hubspot.com/t/how-to-integrate-a-custom-next-js-website-with-hubspot-for-email-automation/158609 "2026-09-15T13:46:58Z")
I’m looking for some advice on integrating HubSpot with my website. I run website, which is a custom-built Next.js website, … --- ## [Settings Component Shows Blank Page After Successful Deployment](https://community.hubspot.com/t/settings-component-shows-blank-page-after-successful-deployment/158890)
**Author:** [@Ethan](https://community.hubspot.com/u/Ethan)\ **Replies:** 2\ **Last updated:** [September 14, 2026, 10:34pm UTC](https://community.hubspot.com/t/settings-component-shows-blank-page-after-successful-deployment/158890 "2026-09-14T22:34:15Z")
Can you please check for me.The Settings component has been successfully deployed, and the build completed successfully. Howe… --- ## [Built a local “npm audit” style scanner for HubSpot integrations — feedback wanted](https://community.hubspot.com/t/built-a-local-npm-audit-style-scanner-for-hubspot-integrations-feedback-wanted/158931)
**Author:** [@etumino](https://community.hubspot.com/u/etumino)\ **Replies:** 0\ **Last updated:** [September 14, 2026, 10:19pm UTC](https://community.hubspot.com/t/built-a-local-npm-audit-style-scanner-for-hubspot-integrations-feedback-wanted/158931 "2026-09-14T22:19:23Z")
Hey everyone — I built a small developer tool called HubSpot Compatibility Scanner. The idea is basically “npm audit for Hub… --- ## [Using Salesforce to HubSpot plugin vs Full Data to Delta Migration](https://community.hubspot.com/t/using-salesforce-to-hubspot-plugin-vs-full-data-to-delta-migration/158779)
**Author:** [@Nirman](https://community.hubspot.com/u/Nirman)\ **Replies:** 2\ **Last updated:** [September 14, 2026, 1:17am UTC](https://community.hubspot.com/t/using-salesforce-to-hubspot-plugin-vs-full-data-to-delta-migration/158779 "2026-09-14T01:17:01Z")
Recently, I completed a Salesforce to HubSpot migration using full data migration to delta migration approach. However, I’m k… --- ## [Is it possible to create a legacy CRM public app? Need for migration testing](https://community.hubspot.com/t/is-it-possible-to-create-a-legacy-crm-public-app-need-for-migration-testing/157836)
**Author:** [@jkhl-1406](https://community.hubspot.com/u/jkhl-1406)\ **Replies:** 2\ **Last updated:** [September 11, 2026, 10:41pm UTC](https://community.hubspot.com/t/is-it-possible-to-create-a-legacy-crm-public-app-need-for-migration-testing/157836 "2026-09-11T22:41:13Z")
Hello, I am tasked with migrating legacy CRM cards to app cards for a client but have no sandbox examples to run the migrati… --- ## [Claude WebFetch can't access developer docs](https://community.hubspot.com/t/claude-webfetch-cant-access-developer-docs/144888)
**Author:** [@EGold64](https://community.hubspot.com/u/EGold64)\ **Replies:** 2\ **Last updated:** [September 11, 2026, 10:44am UTC](https://community.hubspot.com/t/claude-webfetch-cant-access-developer-docs/144888 "2026-09-11T10:44:30Z")
Hello, I have been using Claude Code’s new features on HubSpot projects and a constant roadblock is that Claude Code’s WebFe… --- ## [Commerce Objects in Sandbox/Dev Accounts](https://community.hubspot.com/t/commerce-objects-in-sandbox-dev-accounts/145787)
**Author:** [@kotakeio](https://community.hubspot.com/u/kotakeio)\ **Replies:** 2\ **Last updated:** [September 11, 2026, 8:11am UTC](https://community.hubspot.com/t/commerce-objects-in-sandbox-dev-accounts/145787 "2026-09-11T08:11:17Z")
I’m looking for best-practice guidance on testing changes for a payments auditing app. I have a custom app that helps us aud… --- ## [How can I restrict backward pipeline stage movement in HubSpot?](https://community.hubspot.com/t/how-can-i-restrict-backward-pipeline-stage-movement-in-hubspot/158146)
**Author:** [@ZHey](https://community.hubspot.com/u/ZHey)\ **Replies:** 9\ **Last updated:** [September 10, 2026, 11:05pm UTC](https://community.hubspot.com/t/how-can-i-restrict-backward-pipeline-stage-movement-in-hubspot/158146 "2026-09-10T23:05:43Z")
I want to edit pipeline rules for a specific object where only specific users can move the stage backwards. Is there a custom… --- ## [HubSpot OAuth Token Endpoint does not validate client\_id on refresh\_token Grants?](https://community.hubspot.com/t/hubspot-oauth-token-endpoint-does-not-validate-client-id-on-refresh-token-grants/158618)
**Author:** [@KeerthanaJ](https://community.hubspot.com/u/KeerthanaJ)\ **Replies:** 2\ **Last updated:** [September 10, 2026, 10:57pm UTC](https://community.hubspot.com/t/hubspot-oauth-token-endpoint-does-not-validate-client-id-on-refresh-token-grants/158618 "2026-09-10T22:57:27Z")
According to HubSpot’s official documentation, passing a valid, matching ‘client\_id’ is mandatory. If an incorrect client ID… [Previous page](https://community.hubspot.com/c/develop-build-integrate/58.md?page=8) [Next page](https://community.hubspot.com/c/develop-build-integrate/58.md?page=10)