Cookie Policy

This Cookie Policy explains how Synthax, Inc. ("Synthax," "we," "our," or "us") uses cookies and similar tracking technologies when you visit our website at synthos.tech or use our AI-powered code generation platform (collectively, the "Services"). It explains what these technologies are and why we use them, as well as your rights to control their use.

This Cookie Policy should be read in conjunction with our Privacy Policy, which provides broader context for how we handle your personal information.

1. What Are Cookies?

Cookies are small text files that are placed on your device (computer, smartphone, or tablet) when you visit a website. Cookies are widely used by websites to make them work more efficiently, to provide a better user experience, and to give website owners information about how their site is being used.

Cookies contain information that is transferred to your device's storage. They allow a website to recognize your device when you return to it, remember your preferences and settings, understand how you navigate through the site, and improve your experience across multiple visits.

Cookies generally fall into two categories based on their lifespan:

• Session cookies: These cookies are temporary and expire when you close your browser. They are used to maintain your session state (such as keeping you logged in) as you navigate between pages.
• Persistent cookies: These cookies remain on your device for a set period of time (specified in the cookie) or until you delete them. They are used to remember your preferences across multiple visits.

Cookies can also be categorized by their origin:

• First-party cookies: Set by the website you are visiting (in this case, synthos.tech) directly.
• Third-party cookies: Set by a domain other than the website you are visiting, typically by third-party service providers embedded in the website's functionality (such as analytics or advertising platforms).

2. Similar Tracking Technologies

In addition to cookies, we may use other tracking technologies to collect and store information about your use of the Services:

• Web beacons (pixel tags): Small invisible images embedded in web pages or emails that allow us to track when a page or email has been viewed, and to collect data about your interaction. We use web beacons in our marketing emails to understand email open rates and click-through behavior.
• Local storage: Similar to cookies, local storage allows websites to store data on your device. We use local storage to remember your cookie consent preferences and application settings that persist across sessions. Unlike cookies, local storage data is not transmitted to our servers automatically.
• Session storage: Like local storage but limited to the current browser session, used to maintain state within a single session without retaining data after you close your browser.
• Device fingerprinting: A technique used for fraud prevention and security purposes that collects information about your browser configuration, installed fonts, and other device characteristics to create a non-unique identifier. We use limited fingerprinting signals only for security and fraud detection, not for advertising.

3. Categories of Cookies We Use

3.1 Strictly Necessary Cookies

These cookies are essential for the Services to function correctly. They enable core functionality such as security, authentication, and basic site operation. Without these cookies, services you have requested (such as staying logged in) cannot be provided.

Because strictly necessary cookies are essential for the website to work, you cannot refuse them. They do not collect personal information that could be used for marketing or remembering where you have been on the internet.

Examples of strictly necessary cookies we use:

• session_id: A session identifier that maintains your authenticated session. Duration: session. Set by: synthos.tech.
• csrf_token: A security token to protect against cross-site request forgery attacks. Duration: session. Set by: synthos.tech.
• auth_token: An encrypted authentication token that allows you to remain logged in across page navigations. Duration: 30 days. Set by: synthos.tech.
• __stripe_mid / __stripe_sid: Security and fraud detection cookies set by our payment processor, Stripe, during the checkout process. Duration: 1 year / session. Set by: stripe.com.

3.2 Functional Cookies

Functional cookies allow the website to remember choices you make (such as your preferred theme, language settings, or UI layout) and provide enhanced, personalized features. These cookies may be set by us or by third-party providers whose services we use on our pages.

If you disable functional cookies, some or all of these services may not function properly and your user experience may be reduced.

Examples of functional cookies we use:

• ui_theme: Remembers your preferred interface theme (dark mode / light mode). Duration: 1 year. Set by: synthos.tech.
• editor_prefs: Stores your IDE plugin preferences and editor configuration. Duration: 6 months. Set by: synthos.tech.
• lang_pref: Remembers your preferred interface language. Duration: 1 year. Set by: synthos.tech.
• onboarding_state: Tracks your progress through the product onboarding flow so you can resume where you left off. Duration: 30 days. Set by: synthos.tech.
• intercom-session-*: Session cookies set by our customer support platform (Intercom) to identify your support session and enable chat functionality. Duration: 7 days. Set by: intercom.io.

3.3 Analytics Cookies

Analytics cookies help us understand how visitors interact with our website and platform by collecting and reporting information anonymously. This data helps us improve the structure, content, and functionality of the Services over time.

These cookies do not identify you personally, but they do track your interactions with the Services at a session and visit level. You may opt out of analytics cookies using the cookie preference settings described in Section 5.

Examples of analytics cookies we use:

• _amplitude_id_*: Amplitude analytics cookies that track your product usage patterns and feature adoption to help us understand how engineers use the platform. Duration: 1 year. Set by: amplitude.com.
• _ga / _ga_*: Google Analytics cookies that collect information about how visitors use our website, including pages visited, time on page, and traffic sources. Duration: 2 years / session. Set by: google-analytics.com.
• _gid: Google Analytics cookie that distinguishes individual users for analytics reporting. Duration: 24 hours. Set by: google-analytics.com.
• ph_*: PostHog analytics cookies that track product usage events and user flows within the platform application. Duration: 1 year. Set by: synthos.tech / posthog.com.

3.4 Marketing Cookies

Marketing cookies are used to deliver advertisements that are relevant and engaging to you. They track your visits across websites to understand your interests and to measure the effectiveness of advertising campaigns. Marketing cookies are used by us and by advertising network partners.

We do not enable marketing cookies by default. These cookies are activated only when you explicitly consent to marketing cookies through our cookie consent banner. You may withdraw consent at any time as described in Section 5.

Examples of marketing cookies that may be activated with your consent:

• _fbp: Facebook Pixel cookie used to deliver and measure the effectiveness of Facebook advertising campaigns. Duration: 3 months. Set by: facebook.com.
• __hstc / hubspotutk: HubSpot marketing cookies that track visitor history for marketing attribution and email personalization. Duration: 6 months / 1 year. Set by: hubspot.com.
• _gcl_au: Google conversion cookie used to measure advertising conversion events. Duration: 3 months. Set by: google.com.

4. Third-Party Cookies and Services

Some of the cookies described above are set by third-party services that we use to enhance our Services. These third parties may independently collect information about your online activities across different websites and over time when cookies from their domains are stored on your device.

The primary third-party services we use that may set cookies on your device are:

• Google Analytics (Google LLC): Web analytics service for understanding website traffic and user behavior. Privacy policy: policies.google.com/privacy
• Amplitude, Inc.: Product analytics for understanding platform feature usage. Privacy policy: amplitude.com/privacy
• Intercom, Inc.: Customer support chat and in-app messaging. Privacy policy: intercom.com/legal/privacy
• Stripe, Inc.: Payment processing services. Privacy policy: stripe.com/privacy
• HubSpot, Inc.: Marketing automation and CRM (active only with marketing consent). Privacy policy: legal.hubspot.com/privacy-policy

We do not control these third parties' tracking technologies or how they may be used. If you have questions about their data practices, please contact those third parties directly or review their privacy policies.

5. How to Control Cookies

5.1 Cookie Consent Banner

When you first visit synthos.tech, you will see a cookie consent banner that allows you to accept all cookies or manage your preferences. You can modify your cookie preferences at any time by clicking the "Cookie Preferences" link in the footer of our website. Your preferences are stored in your browser's local storage as cookieConsent and are applied on subsequent visits.

5.2 Browser Settings

Most web browsers allow you to control cookies through their settings. You can typically find these settings in the "Privacy," "Security," or "Settings" section of your browser. Here are links to cookie management instructions for major browsers:

• Google Chrome: Settings → Privacy and Security → Cookies and other site data
• Mozilla Firefox: Options → Privacy & Security → Cookies and Site Data
• Microsoft Edge: Settings → Privacy, search, and services → Cookies
• Apple Safari: Preferences → Privacy → Manage Website Data

Please note that blocking all cookies may impact the functionality of the Services. Strictly necessary cookies cannot be blocked without preventing the Services from working as intended.

5.3 Opt-Out of Analytics

You can opt out of Google Analytics tracking across all websites by installing the Google Analytics Opt-out Browser Add-on, available at tools.google.com/dlpage/gaoptout. You can opt out of Amplitude analytics by adjusting the analytics cookie settings in our cookie preference center.

5.4 Do Not Track

Some browsers include a "Do Not Track" (DNT) setting that signals to websites that you prefer not to be tracked. Our Services currently do not respond to DNT signals from browsers, as there is no universally accepted standard for how websites should respond to such signals. We instead rely on the cookie consent mechanisms described above to manage tracking preferences.

6. Cookies and Your Privacy Rights

The use of analytics and marketing cookies may constitute processing of personal data under applicable privacy laws, including the GDPR, UK GDPR, and CCPA. Where applicable, we process this data on the following legal bases:

• Strictly necessary cookies: Legitimate interest in providing a functional and secure service.
• Functional cookies: Legitimate interest in improving user experience; consent where required.
• Analytics cookies: Legitimate interest in understanding and improving our Services; consent where required by applicable law.
• Marketing cookies: Consent only — these are never activated without your explicit agreement.

For rights related to cookie data under GDPR, UK GDPR, or CCPA (including access, deletion, and opt-out of sale/sharing), please contact us at privacy@synthos.tech or exercise your rights through our cookie preference center.

7. Changes to This Cookie Policy

We may update this Cookie Policy from time to time to reflect changes in the cookies and tracking technologies we use, changes in applicable law, or changes in how we operate the Services. We will notify you of material changes by posting a notice on our website or by updating the "Last updated" date at the top of this page. We encourage you to review this Cookie Policy periodically to stay informed about our use of cookies.

8. Contact Us

If you have questions or concerns about our use of cookies or this Cookie Policy, please contact us:

Synthax, Inc.
Attn: Privacy Team
535 Mission Street, Suite 1400
San Francisco, CA 94105
United States

Email: privacy@synthos.tech