HubSpot API: A complete guide to new features and integrations 2025
The HubSpot API ecosystem in full swing: heading for 2025
The HubSpot API is at the heart of the integration and customization strategy of the famous CRM platform. In 2025, HubSpot has taken significant new steps, enriching its API offering to make it more powerful, simple, fast and unified. Whether you are a developer, partner or an advanced user, understanding these evolutions is crucial to getting the most out of HubSpot. This article details the major announcements, key improvements and resources needed to master the HubSpot API.
The big new features of the HubSpot APIs in 2025: the Spring Spotlight featured
The Spring Spotlight of April 2025 was a highlight, unveiling a range of innovations for HubSpot APIs. The stated objective is clear: to provide a first-rate development platform.
Revolutionary New APIs
Several new APIs have been launched, opening up horizons of integration and extended functionalities:
Significant improvements in existing APIs
HubSpot has not only launched new APIs; substantial improvements have been made to existing APIs to increase capabilities and performance:
Other major updates and key features of the HubSpot API
Beyond the Spring Spotlight, the year 2025 and the end of 2024 have been rich in evolution for the HubSpot API.
Evolution of the Marketing Events API (January 2025)
The Marketing Events API has been reviewed to correct previous limitations. It now offers full access to all marketing events through the API, no matter how they were created, improving event management and marketing data analytics.
New public APIs CRM: Objects Orders and Baskets (May 2024)
These APIs enable the reading and writing of control and shopping cart data in HubSpot. They open up crucial possibilities for synchronizing e-commerce orders and implementing strategies to recover abandoned shopping carts.
CRM object API for Prospects (June 2024)
This API allows you to create and manage lead records directly in HubSpot and synchronize this valuable data with other systems, thus streamlining the sales cycle.
Crucial points of attention for developers using the HubSpot API
With these novelties come from the important changes that developers must take into account.
Important change: API Lists V3 and identifiers (April 2025)
A major change is the Lists V3 API: list identifiers move from integers to strings. It is crucial to audit your code to ensure the compatibility of your applications and avoid any interruption of service.
Sensitive data management via OAuth (April 2025)
For any operation (creation, reading, update, deletion) on values of sensitive data properties, applications must now request and obtain the corresponding scopes (scopes) via the standard OAuth authorization stream. This enhances the protection of personal data.
Enhanced datetime property in marketing emails (April 2025)
The `datetime` properties created in the HubSpot CRM now display the date AND time when used as customization tokens in emails sent via Marketing Hub, offering more accuracy.
File Properties in Smart CRM (May 2024)
It is now possible to download and manage files directly in the CRM via a custom file property, facilitating the centralization of documents related to contacts, companies, etc.
End of life scheduled: API Contact Lists (30 September 2025)
Note this date: the Contact Lists API (old version) will be depreciated and will stop operating on September 30, 2025. Schedule the migration to the Lists V3 API if you haven't already.
New tools and resources to optimize your development on HubSpot
HubSpot continues to invest in tooling for its developer community:
To stay at the forefront of information, consult regularly:
Why are these changes in the HubSpot API so important?
HubSpot’s continued commitment to evolving its API demonstrates its commitment to providing an ever more robust, flexible and forward-looking platform. These updates allow companies to:
For developers, this means more possibilities, more powerful tools and a more pleasant and efficient platform to build solutions that bring real added value.
Ready to harness the full power of the HubSpot API?
The recent evolutions of the HubSpot API open up exciting opportunities to optimize your marketing, sales and customer service operations. If you want to integrate HubSpot with your existing systems (ERP, specific business tools), develop custom features or simply ensure that your technology ecosystem works in perfect harmony, expertise is often needed.
At Turnk, we are experts in CRM, ERP and AI-based solution development. We can help you take full advantage of the capabilities of the HubSpot API to transform your business.
Contact us today to discuss your project and find out how we can help you!
the most common questions
Key new APIs include the Conversations API (to unify customer communication and add custom channels), Commerce API (to create invoices and manage taxes), and new security APIs (for custom user permissions and access verification).
The Marketing Events API has been updated with generic endpoints to get all marketing event data, regardless of their external source. It also makes it easier to associate and dissociate lists and access all marketing events regardless of their mode of creation (updated January 2025).
Since April 2025, list identifiers in the Lists V3 API have shifted from integers to strings. Developers must audit their code to ensure compatibility of their applications.
These evolutions offer a more powerful, simple, fast and unified platform. They allow for better customization, more advanced integrations, increased automation and pave the way for innovation, both for companies that use HubSpot and for developers building on it.
