Privacy Policy

Last Updated: October 8, 2026

1. Important Information and Who We Are

Purpose of This Privacy Policy

This privacy policy aims to give you information on how Stream.Estate collects and processes your personal data through your use of this website and our real estate API services, including any data you may provide when you sign up for our service, subscribe to our newsletter, purchase a subscription, or use our API.

Controller

DLL SAS, which operates Stream.Estate, is the controller and responsible for your personal data (collectively referred to as "Stream.Estate", "we", "us", or "our" in this privacy policy).

Contact Details

If you have any questions about this privacy policy or our privacy practices, please contact us at:

2. The Data We Collect About You

We may collect, use, store and transfer different kinds of personal data about you which we have grouped together as follows:

  • Identity Data includes first name, last name, username or similar identifier.
  • Contact Data includes billing address, email address, and telephone numbers.
  • Financial Data includes your transaction history. Payments are processed by our payment provider, Stripe. We do not store your payment card number.
  • Technical Data includes internet protocol (IP) address, your login data, browser type and version, time zone setting and location, browser plug-in types and versions, operating system and platform, and other technology on the devices you use to access this website.
  • Profile Data includes your username and password, purchases or orders made by you, your preferences, feedback, and survey responses.
  • Usage Data includes information about how you use our website and API services.
  • API Request Data includes information about the API requests you make, including endpoint parameters and query data.

3. How We Collect Your Personal Data

We use different methods to collect data from and about you including through:

  • Direct interactions. You may give us your Identity, Contact, and Financial Data by filling in forms or by corresponding with us by post, phone, email, or otherwise.
  • Automated technologies or interactions. As you interact with our website and API, we may automatically collect Technical Data about your equipment, browsing actions, and patterns.
  • Third parties or publicly available sources. We may receive personal data about you from third parties, such as analytics providers and our payment provider.

4. How We Use Your Personal Data

We will only use your personal data when the law allows us to. Most commonly, we will use your personal data in the following circumstances:

  • Where we need to perform the contract we are about to enter into or have entered into with you.
  • Where it is necessary for our legitimate interests (or those of a third party) and your interests and fundamental rights do not override those interests.
  • Where we need to comply with a legal obligation.
  • Where you have given your consent, for example to optional cookies.

Purposes for Which We Will Use Your Personal Data

We have set out below the ways we use your personal data, with the legal basis for each use:

  • To register you as a customer and manage your account and subscription (performance of a contract)
  • To process and deliver your API requests (performance of a contract)
  • To manage payments, fees and charges, and to collect money owed to us (performance of a contract)
  • To keep invoices and accounting records (legal obligation)
  • To determine your country, region and postal code from your IP address when you confirm your account, in order to apply the correct taxes (legal obligation)
  • To notify you about changes to our terms or privacy policy (legitimate interest in keeping you informed)
  • To administer and protect our business and website, including security, abuse prevention and rate limits (legitimate interest)
  • To send you our newsletter (legitimate interest in informing our customers about our services). You can unsubscribe at any time by writing to [email protected]
  • To measure the audience of our website and improve it (consent)
  • To provide the support chat on our website (consent)

5. Data Security

We have put in place appropriate security measures to prevent your personal data from being accidentally lost, used, or accessed in an unauthorized way, altered, or disclosed. In addition, we limit access to your personal data to those employees, agents, contractors, and other third parties who have a business need to know.

6. Data Retention

We will only retain your personal data for as long as necessary to fulfill the purposes we collected it for, including for the purposes of satisfying any legal, accounting, or reporting requirements.

7. Your Legal Rights

Under certain circumstances, you have rights under data protection laws in relation to your personal data, including the right to:

  • Request access to your personal data
  • Request correction of your personal data
  • Request erasure of your personal data
  • Object to processing of your personal data
  • Request restriction of processing your personal data
  • Request transfer of your personal data
  • Right to withdraw consent

You can exercise these rights by writing to [email protected]. You also have the right to lodge a complaint with the French data protection authority, the CNIL (www.cnil.fr).

8. Cookies

Our website uses cookies and similar technologies, such as local storage.

Some of them are strictly necessary for the website to work, for example to keep you logged in or to remember your cookie choice. They do not require your consent.

With your consent, we also use:

  • PostHog, to measure the audience of our website and improve it;
  • Help Scout, to provide the support chat.

On your first visit, a banner asks for your choice. You can accept or refuse these cookies, and change your choice at any time with the “Cookies” link at the bottom of each page.

9. Third-Party Links

This website may include links to third-party websites, plug-ins, and applications. Clicking on those links or enabling those connections may allow third parties to collect or share data about you. We do not control these third-party websites and are not responsible for their privacy statements.

10. Changes to the Privacy Policy

We may update this privacy policy from time to time. We will notify you of any changes by posting the new privacy policy on this page and updating the "Last Updated" date at the top of this policy.

11. API-Specific Privacy Considerations

API Usage Data

When you use our real estate API, we collect data about your usage patterns, including the frequency of requests, the specific endpoints accessed, and the parameters of your queries. This information is used to optimize our services, troubleshoot issues, and ensure compliance with our Terms of Service.

Data Shared Through Our API

Our real estate API provides access to property listings, market analytics, and other real estate data. When you submit queries through our API, be aware that:

  • Parameters of your search may be logged for operational purposes
  • Aggregate, anonymized query data may be used for improving our services
  • We may track usage patterns to enforce rate limits and prevent abuse

Third-Party API Integration

If you integrate our API with your own applications or services, you are responsible for ensuring your use complies with all applicable laws and regulations, including obtaining any necessary consent from your end users for the processing of their data through our API.

12. Service Providers and International Data Transfers

We share personal data only with service providers that help us operate the Service and that act on our instructions:

  • Cloudflare, for website hosting and content delivery;
  • Stripe, for payment processing;
  • PostHog, for website audience measurement, hosted in the European Union;
  • Help Scout, for the support chat;
  • IPGeolocation, to determine your location from your IP address when you confirm your account;
  • providers of API and database hosting, email delivery and newsletter delivery.

Some of these providers are located outside the European Economic Area, in particular in the United States. Where a transfer takes place, we rely on an adequacy decision of the European Commission, such as the EU-U.S. Data Privacy Framework for certified providers, or on the Standard Contractual Clauses adopted by the European Commission.