# HubSpot API-Changelog

Wir prüfen täglich den Entwickler-Changelog von HubSpot, weil wir produktive Integrationen auf der HubSpot API betreiben. Diese Seite listet die 42 Änderungen, die wir seit Beginn der Überwachung am 26. März 2026 erfasst haben, die neuesten zuerst.

**Kurz gesagt:** 8 Breaking Changes und 2 Deprecations in der HubSpot API in den letzten 90 Tagen. Zuletzt: „Legacy APIs and Apps“ (15. September 2026).

- [Offizieller HubSpot-Changelog](https://developers.hubspot.com/changelog)
- [RSS-Feed: Änderungen an der HubSpot API](https://seamless.engineering/api-changelog/hubspot/rss.xml)
- [Alle HubSpot-Integrationen](https://seamless.engineering/de/integrations/hubspot/)

## Änderungen an der HubSpot API

Die Einordnung erfolgt automatisch. Prüfen Sie die Notiz des Anbieters, bevor Sie Aufwand einplanen.

### September 2026

- **Fall 2026 Spotlight - Developer / Builder Updates** (Neue Funktion, 15. Sept. 2026): General availability of developer and builder updates in Fall Spotlight 2026 release on Developer Platform version 2026.09.
- **Legacy APIs and Apps** (Breaking Change, 15. Sept. 2026): What's Going Unsupported and When: HubSpot announced end of support for v1-v3 APIs, legacy public apps, and legacy private apps with September 2027 enforcement date.
- **Breaking Change** (Breaking Change, 8. Sept. 2026): Pipeline and Pipeline Stage Delete Endpoints Validation by Default in 2026-09: Pipeline and pipeline stage delete endpoints will validate references by default starting with the 2026-09 API version, potentially breaking integrations that delete pipelines with existing references.
- **Breaking Change** (Breaking Change, 8. Sept. 2026): Pipeline and pipeline stage delete endpoints will validate references by default starting with the 2026-09 API version: Pipeline and pipeline stage delete endpoints will validate references by default in 2026-09 API version, potentially preventing deletion of referenced objects.

### August 2026

- **Legacy Private App Creation Being Disabled** (Breaking Change, 27. Aug. 2026): HubSpot is permanently removing the ability to create new legacy private apps through the account UI, requiring users to migrate to Service Keys via Developer Platform Projects.
- **Pipelines API V1 Sunset** (Deprecation, 14. Aug. 2026): December 4, 2026: Pipelines API V1 will be sunset on December 4, 2026, requiring integrations to migrate to 2026-03 or later API versions.
- **Node 18.x and 20.x Runtimes Deprecated for Chatflow Custom Code Snippets** (Deprecation, 12. Aug. 2026): Node 18.x and 20.x runtimes are being deprecated as supported versions for Chatflows custom code snippets; users must upgrade to newer Node versions.
- **Breaking Change** (Breaking Change, 11. Aug. 2026): CRM API Write Validation Enforcement Starting with the 2026-09 API Version: Starting with the /2026-09/ API version on September 8, 2026, HubSpot will enforce admin-configured validation rules on all CRM API write paths; integrations creating or updating CRM records must handle validation errors.
- **Breaking Change** (Breaking Change, 11. Aug. 2026): CRM API Write Validation Enforcement Starting with the 2026-09 API Version: Starting September 8, 2026, HubSpot will enforce admin-configured validation rules on all CRM API write paths, requiring integrations to handle new validation errors.

### Juli 2026

- **August 2026 Rollup** (Sonstiges, 31. Juli 2026): Monthly rollup of API and platform updates from August 2026.
- **July 2026 Rollup** (Neue Funktion, 31. Juli 2026): Monthly updates including raised owner property limit, larger Webhooks Journal batch sizes, new API usage chart, and public betas for Contract Imports and Payment Links API.
- **July 2026 Rollup - Owner Property Limit Increase** (Neue Funktion, 31. Juli 2026): Raised owner property limit, expanded Webhooks Journal batch sizes, and added historical API usage chart with public betas for Contract Imports and Payment Links API.
- **Payment Links API public beta** (Neue Funktion, 31. Juli 2026): Payment Links API has been released in public beta, enabling new payment processing capabilities.
- **Breaking Change** (Breaking Change, 23. Juli 2026): Pipeline and pipeline stage delete endpoints will validate references by default starting with the 2026-09 API version: Pipeline and pipeline stage delete endpoints will validate references by default in the 2026-09 API version, potentially breaking integrations that delete pipelines with existing references.
- **Upcoming breaking change** (Breaking Change, 13. Juli 2026): Customer Agent Lead Status contact property becoming read-only: The hs_customer_agent_lead_status contact property will become read-only, requiring updates to integrations that write to this field.

### Juni 2026

- **Developer updates for June 2026** (Sonstiges, 29. Juni 2026): Monthly rollup of developer platform updates from June 2026.
- **HubSpot Agent CLI available in public beta** (Neue Funktion, 23. Juni 2026): New command-line interface for AI agents to interact with HubSpot CRM data, now available in public beta.
- **Updated SDKs for Date-based Versioning** (Neue Funktion, 10. Juni 2026): SDKs updated to support date-based API versioning with new /YYYY-MM/ format, generated from centrally managed API specification.

### Mai 2026

- **May 2026 Rollup** (Neue Funktion, 28. Mai 2026): Monthly updates including Breeze Assistant workflow enhancements and other platform improvements.
- **Legacy Public App Creation Sunset** (Breaking Change, 26. Mai 2026): Beginning May 26, 2026, the ability to create new legacy public apps will be discontinued.
- **Automatic migration from Cookie Consent Banner v1 to v2** (Deprecation, 11. Mai 2026): HubSpot will resume automatic migration from legacy Cookie Consent Banner v1 to v2 starting May 11, 2026, requiring developers to ensure v2 compatibility.
- **App Listing and App Certification Requirement Updates for May 2026** (Breaking Change, 7. Mai 2026): Updated requirements for listed and certified apps in HubSpot Marketplace to align with current platform standards and deprecations.
- **Our Ecosystem Vision for the Agent Era & Updated Developer Terms** (Sonstiges, 4. Mai 2026): Updates to developer terms and ecosystem vision for the agent era, reflecting HubSpot's strategic direction.

### April 2026

- **April 2026 Rollup** (Sonstiges, 30. Apr. 2026): Monthly updates including legacy CRM card migration tool availability and other platform improvements.
- **Spring 2026 Spotlight** (Neue Funktion, 14. Apr. 2026): Major announcement of date-based versioned APIs general availability and Developer Platform version 2026.03, representing significant API infrastructure changes.
- **Spring 2026 Spotlight** (Neue Funktion, 14. Apr. 2026): Major updates including general availability of date-based versioned APIs and Developer Platform version 2026.03.
- **Remote HubSpot MCP server is now generally available** (Neue Funktion, 13. Apr. 2026): Remote HubSpot MCP server graduates from beta to GA with new write capabilities, Activity history, marketing content objects, and organizational context support.
- **Content Rendering Will Migrate to CLDR Locale Data Standard** (Breaking Change, 1. Apr. 2026): HubSpot will migrate content rendering from legacy JRE locale dataset to CLDR standard; most content unchanged but some localization behavior may differ.

### März 2026

- **Introducing date-based API versioning** (Breaking Change, 30. März 2026): New API versioning system using /YYYY-MM/ format (e.g., /2026-03/) instead of v1, v2, v3, v4 to denote the month APIs were shipped.
- **March 2026 Rollup** (Neue Funktion, 27. März 2026): Monthly updates including ability to view app objects in Data Model Builder and faster video-based app review process.
- **New Confirmation Step for Unverified Third-Party App Installs** (Sonstiges, 23. März 2026): Added confirmation dialog when HubSpot users install third-party apps that haven't been reviewed by HubSpot.
- **Legacy Developer Accounts Migrating to the Unified Developer Platform** (Sonstiges, 9. März 2026): All legacy developer accounts being upgraded to unified Developer Platform, consolidating separate tools into single HubSpot account.

### Februar 2026

- **February 2026 Developer Rollup** (Neue Funktion, 27. Feb. 2026): Monthly updates including enhanced OAuth install logging, Custom Events for Pro customers, and deeper CRM associations and UI improvements.
- **February 2026 Developer Rollup** (Neue Funktion, 27. Feb. 2026): Monthly updates including enhanced OAuth install logging, Custom Events for Pro customers, deeper CRM associations, and UI improvements.
- **Take Action with ChatGPT** (Neue Funktion, 26. Feb. 2026): Update CRM Records & Access more Objects and Engagements: HubSpot ChatGPT connector now supports creating and updating CRM records and logging activities directly from ChatGPT.
- **Take Action with ChatGPT** (Neue Funktion, 26. Feb. 2026): Update CRM Records & Access more Objects and Engagements: HubSpot ChatGPT connector now supports creating/updating CRM records and logging activities directly from ChatGPT.
- **HubSpot Developer MCP server (local) for App and CMS Development Now in GA** (Neue Funktion, 19. Feb. 2026): Local HubSpot Developer MCP Server is now generally available for creating apps and CMS assets through agentic tools.
- **Automatic migration from Cookie Consent Banner v1 to v2** (Deprecation, 9. Feb. 2026): HubSpot will automatically migrate accounts from legacy Cookie Consent Banner v1 to v2 starting May 11, 2026, requiring integration updates.
- **Developer updates for January 2026** (Sonstiges, 2. Feb. 2026): Monthly developer updates announced for January 2026.

### Januar 2026

- **New OAuth v3 API Endpoints and Standardized Error Responses** (Neue Funktion, 27. Jan. 2026): New OAuth v3 API endpoints released with enhanced security and compliance standards, requiring authentication method updates for existing integrations.
- **Introducing HubSpot CLI v8.0.0** (Breaking Change, 26. Jan. 2026): Major CLI release with breaking changes including new minimum Node.js version (Node 20), removal of deprecated commands and legacy behaviors, and dropped support for older project versions.
- **Public Beta** (Neue Funktion, 20. Jan. 2026): Self-Service MCP Auth Apps for the HubSpot Remote MCP Server: Partners and customers can now build and manage their own AI connectors to the HubSpot Remote MCP Server through a self-service interface.

## Weitere überwachte APIs

- [Airtable](https://seamless.engineering/de/api-changelog/airtable/)
- [Brevo](https://seamless.engineering/de/api-changelog/brevo/)
- [DATEV](https://seamless.engineering/de/api-changelog/datev/)
- [Discord](https://seamless.engineering/de/api-changelog/discord/)
- [Google Sheets](https://seamless.engineering/de/api-changelog/google-sheets/)
- [Jira Cloud](https://seamless.engineering/de/api-changelog/jira/)
- [lexoffice](https://seamless.engineering/de/api-changelog/lexoffice/)
- [Linear](https://seamless.engineering/de/api-changelog/linear/)
- [Monday.com](https://seamless.engineering/de/api-changelog/monday/)
- [Notion](https://seamless.engineering/de/api-changelog/notion/)
- [Personio](https://seamless.engineering/de/api-changelog/personio/)
- [Pinterest API](https://seamless.engineering/de/api-changelog/pinterest/)
- [Pipedrive](https://seamless.engineering/de/api-changelog/pipedrive/)
- [Salesforce](https://seamless.engineering/de/api-changelog/salesforce/)
- [Shopify](https://seamless.engineering/de/api-changelog/shopify/)
- [Slack](https://seamless.engineering/de/api-changelog/slack/)
- [Stripe](https://seamless.engineering/de/api-changelog/stripe/)
- [Xentral](https://seamless.engineering/de/api-changelog/xentral/)
- [Zendesk](https://seamless.engineering/de/api-changelog/zendesk/)

## Häufige Fragen

### Gab es zuletzt Breaking Changes in der HubSpot API?

Ja: 8 Breaking Changes und 2 Deprecations in den letzten 90 Tagen. Die jüngste Änderung: „Legacy APIs and Apps“ vom 15. September 2026.

### Wie oft ändert sich die HubSpot API?

Im erfassten Zeitraum hat HubSpot rund 5 Changelog-Einträge pro Monat veröffentlicht. Die meisten sind Erweiterungen; einplanen sollte man vor allem die Breaking Changes und Deprecations.

### Wo finde ich den offiziellen Changelog der HubSpot API?

HubSpot veröffentlicht ihn unter https://developers.hubspot.com/changelog. Diese Seite verfolgt ihn täglich und datiert jeden Eintrag.

### Wie erfahre ich von Änderungen an der HubSpot API?

Abonnieren Sie den RSS-Feed dieser Seite (https://seamless.engineering/api-changelog/hubspot/rss.xml). Soll sich lieber jemand darum kümmern: Wir betreiben HubSpot-Integrationen und fangen solche Änderungen ab, bevor sie in Produktion ankommen.

## Scoping-Gespräch anfragen

Wir beobachten HubSpot, weil wir Integrationen darauf betreiben. Hängt eine Ihrer Integrationen an HubSpot, übernehmen wir sie: sauber gebaut, dauerhaft betrieben und angepasst, wenn HubSpot etwas ändert, bevor Ihre Daten betroffen sind. Festpreisangebot innerhalb von 48 Stunden.

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