Terms of Service

These Terms define the conditions under which Lucid Engine makes its Service available, as well as the rights and obligations of the parties in connection with its use.

The Service is a Generative Engine Optimization (GEO) platform that analyzes the visibility of an e-commerce site or catalog in generative AI engine responses, and provides diagnostics, scores, recommendations, and optimization reports.

The Service is published by:

In these Terms, the publisher is referred to as “Lucid Engine”, “we” or “our”.

The following terms, when capitalized in these Terms, have the following meanings:

4.1. By accessing the Site or using the Service, the User acknowledges having read these Terms and accepts them without reservation. In case of disagreement, the User must immediately cease all use of the Service.

4.2. The Service is designed exclusively for professional use (B2B). By creating an account, the Client declares to be acting within the scope of their professional activity and acknowledges that they do not benefit from consumer protection provisions, particularly regarding withdrawal rights.

4.3. The User must be at least 18 years old to use the Service.

5.1. The Service may include, depending on the subscribed plan:

• Visibility audit and measurement (presence, citations, positions, share of voice, etc.)
• Periodic visibility tracking (frequency depends on plan)
• Diagnostics and optimization action prioritization
• Data export, API access, SSO and advanced security features (depending on plan)
• Access to resource content (articles, checklists, guides)

5.2. The Service relies in particular on the analysis of public data (web pages, markup, metadata, schema.org) as well as processing to evaluate a brand's presence in AI search and response environments.

5.3. Search engines, generative AI platforms, browsers, marketplaces and third-party assistants are independent services subject to their own terms of use. Lucid Engine cannot be held responsible for their changes, restrictions or unavailability.

6.1. Access to certain features of the Service requires creating an account. The Client agrees to provide accurate, complete and up-to-date information during registration and to keep it current.

6.2. Login credentials are strictly personal and non-transferable. The Client is solely responsible for maintaining the confidentiality of their credentials and for all activity carried out through their account.

6.3. In case of suspected unauthorized use or compromise of credentials, the Client agrees to notify Lucid Engine immediately at marine.depoorter@lucidengine.tech.

6.4. Lucid Engine reserves the right to delete any account inactive for more than twelve (12) months, after prior notification by email sent to the Client at least thirty (30) days before deletion.

7.1. Certain features may be offered in early access (“Early Access”, “Beta”). These features are provided as-is, without guarantee of availability, stability or permanence.

7.2. The characteristics, scope, limitations and pricing of Beta features may be modified or removed at any time, without notice or compensation.

7.3. Unless otherwise agreed in writing, no obligation of continuity, history retention or service level applies to Beta modules.

Pricing and Subscription

8.1. Certain features of the Service are accessible via a paid subscription. Prices, duration, included features and usage limits (number of prompts, countries, personas, brands, etc.) are detailed on the "Pricing" page of the Site and/or in the purchase order.

8.2. Prices are indicated excluding taxes (excl. VAT). Applicable VAT is added during invoicing, in accordance with current regulations.

Billing and Payment

8.3. Billing is monthly or annual, depending on the chosen plan. Payment is due in advance through a PCI-DSS certified payment provider. Bank details are processed directly by the payment provider; Lucid Engine does not store card data in clear text.

8.4. In case of late or failed payment, Lucid Engine reserves the right to suspend access to the Service after email notification, until full regularization. Late payment penalties may apply in accordance with Article L441-10 of the French Commercial Code (ECB rate plus 10 points), as well as a flat-rate compensation of EUR 40 for recovery costs.

Renewal and Cancellation

8.5. Unless otherwise stated, subscriptions are tacitly renewed at the end of each period (monthly or annual) for an identical duration.

8.6. The Client may cancel their subscription at any time from their account dashboard or by contacting support. Cancellation takes effect at the end of the current period, without pro-rata refund, unless otherwise provided in the Enterprise contract.

8.7. Lucid Engine will notify the Client by email at least fifteen (15) days before annual subscription renewal.

Promotional Codes

8.8. Any promotional codes are subject to specific conditions (validity period, eligibility, non-cumulation) specified at the time of the offer. They are neither transferable nor refundable.

9.1. The Client agrees to use the Service in compliance with applicable laws and regulations, these Terms, and in respect of third-party rights.

9.2. The following are specifically prohibited:

• Misuse of the Service: scraping, resale of access, unauthorized mass extraction of data or Results
• Any attempt to circumvent security measures, quotas, technical limitations or rate limiting
• Introduction of malware, viruses, or any action intended to disrupt the integrity, availability or performance of the Service
• Use of the Service to infringe third-party rights (trademarks, copyright, personal data, privacy)
• Use of the Service to produce, distribute or optimize illegal content (fraud, phishing, counterfeiting, defamation, etc.)
• Abusive use of the API, including excessive calls beyond the quotas provided by the subscribed plan

9.3. If the Client connects third-party services to the Service (CMS, e-commerce platform, third-party tools), they warrant that they hold the necessary rights and authorizations and agree to comply with the terms of use of said services.

10.1. The Client remains the owner or holder of all rights pertaining to their Client Data. No transfer of ownership is made to Lucid Engine.

10.2. The Client grants Lucid Engine a non-exclusive, worldwide license, limited to the duration of Service use, to host, process, analyze, transform and display Client Data, exclusively for the following purposes: provision of the Service, ensuring security and improving Service performance.

10.3. Lucid Engine may use strictly aggregated and irreversibly anonymized data (which in no case allows direct or indirect identification of the Client) for statistical purposes and Service improvement. The Client may object to this use at any time by sending a request to marine.depoorter@lucidengine.tech.

11.1. Results are provided to the Client for internal needs: marketing management, SEO/GEO strategy, content strategy, internal reporting.

11.2. Without prior written agreement from Lucid Engine, the Client shall not resell, sublicense, publish on a large scale or make available to third parties the Results, in particular in the form of a database, public API or competing product.

11.3. Results are provided for informational purposes only. They depend on third-party systems, evolving signals and the quality of Client Data. They do not constitute any guarantee of performance, ranking or commercial outcome.

12.1. The Site, the Service, software, algorithms, interfaces, trademarks, logos, editorial content, databases and Lucid Engine documentation are protected by intellectual property law (copyright, trademark law, database rights, trade secrets).

12.2. These Terms do not confer any intellectual property rights over the Service to the Client. The Client benefits from a right of use strictly limited to Service usage needs, personal, non-transferable and non-exclusive, for the duration of the subscription.

12.3. Any unauthorized reproduction, representation, modification, reverse engineering, decompilation or extraction is prohibited, except where mandated by law (notably Articles L122-6-1 and L342-3 of the French Intellectual Property Code).

13.1. Lucid Engine uses commercially reasonable efforts to ensure access to the Service. However, the Service may be temporarily unavailable due to scheduled maintenance, updates, technical incidents or hosting infrastructure constraints.

13.2. Lucid Engine will endeavor, where possible, to provide advance notice of any scheduled maintenance likely to cause significant interruption.

13.3. The level of support (email, priority, dedicated SLA) depends on the subscribed plan. Details are available on the Pricing page and/or in the Enterprise contract.

14.1. The Service provides analyses and recommendations based on public data and algorithmic processing. Lucid Engine does not guarantee any specific results, particularly in terms of sales growth, citation improvement, positions in AI engines or any other performance indicator.

14.2. AI engines, search platforms and third-party services may modify their models, rules, interfaces, access conditions or results at any time. These changes, over which Lucid Engine has no control, may affect the Service's measurements and analyses.

14.3. The Client remains solely responsible for implementing the recommendations provided by the Service and assumes full responsibility for the consequences of their decisions.

15.1. To the fullest extent permitted by law, Lucid Engine shall not be liable for indirect damages suffered by the Client, including but not limited to: loss of revenue, data loss, loss of opportunity, lost profits, image damage or reputational harm, regardless of the cause or basis of the claim.

15.2. In any event, except in cases of gross negligence or willful misconduct, Lucid Engine's total liability under the Service, for all causes combined, over a twelve (12) month period, is capped at the amount actually paid by the Client for the Service during the twelve (12) months preceding the triggering event. If the Service is used free of charge, this liability is capped at one hundred euros (EUR 100).

15.3. The Client is solely responsible for their Client Data, its compliance with applicable laws and regulations, and decisions made based on the Results.

15.4. The liability limitations set forth in this article constitute an essential element of the contract, without which Lucid Engine would not have contracted under the agreed financial terms.

16.1. Neither party shall be held liable for failure or delay in the performance of its obligations resulting from a force majeure event within the meaning of Article 1218 of the French Civil Code.

16.2. The following are notably considered force majeure events, without this list being exhaustive: natural disasters, pandemics, wars, acts of terrorism, exceptionally large cyberattacks, major failure of a critical infrastructure provider (hosting, cloud provider, domain name registry), government or regulatory decisions making performance impossible, widespread Internet or telecommunications network outage.

16.3. The party invoking force majeure shall inform the other party as soon as possible. If the force majeure event persists for more than sixty (60) days, either party may terminate the contract by right through written notice, without compensation.

17.1. Each party may receive Confidential Information from the other party in connection with the use of the Service (strategies, technical data, documents, access, commercial terms).

17.2. Confidential Information may only be used for the performance of the Service. It must not be disclosed to third parties, except to duly authorized employees, agents and contractors bound by at least equivalent confidentiality obligations.

17.3. The following are excluded from Confidential Information: information that was already public through no fault of the receiving party, was already known to the receiving party prior to disclosure, was lawfully obtained from a third party not bound by confidentiality obligations, or was independently developed.

17.4. The confidentiality obligation survives for three (3) years after the end of the contractual relationship.

18.1. The processing of personal data collected in connection with the use of the Service is described in the Privacy Policy, accessible from the Site footer.

18.2. When Client Data contains third-party personal data, the Client acts as data controller and Lucid Engine as data processor within the meaning of Article 28 of the GDPR. The parties may, if necessary, formalize a data processing agreement (DPA), particularly in the context of Enterprise plans.

18.3. The Client warrants that they have obtained the necessary consents and authorizations for the processing of third-party personal data entrusted to the Service.

Suspension

19.1. Lucid Engine reserves the right to immediately suspend access to the Service, without compensation or notice, in the following cases: prohibited use within the meaning of Article 9, risk to the security of the Service or third parties, proven or suspected fraud, non-payment, or breach of Service integrity.

Termination by the Client

19.2. The Client may cancel their subscription in accordance with Article 8.6 of these Terms.

Termination by Lucid Engine

19.3. In the event of a serious breach by the Client of their obligations, Lucid Engine may terminate access to the Service by right, thirty (30) days after sending a formal notice that has remained unresolved, sent by email with acknowledgment of receipt.

Effects of Termination

19.4. On the effective date of termination:

• Access to the Service is deactivated
• The Client has thirty (30) days from termination to export their Client Data via available export features. After this period, Lucid Engine will delete Client Data, without possibility of recovery
• Outstanding invoices remain fully due
• Enterprise plans may provide for specific data return procedures

Surviving Clauses

19.5. The following articles survive the expiration or termination of these Terms, regardless of cause: Intellectual Property (Art. 12), Liability and Limitation (Art. 15), Confidentiality (Art. 17), Personal Data (Art. 18), Evidence Agreement (Art. 22), Applicable Law (Art. 24).

20.1. The Client may not assign or transfer, in whole or in part, their rights and obligations under these Terms without the prior written consent of Lucid Engine.

20.2. Lucid Engine may freely assign or transfer these Terms to any affiliated company or any acquirer of all or part of its business. The Client will be informed within a reasonable time.

21.1. Lucid Engine reserves the right to modify these Terms to account for legal, technical or functional changes to the Service.

21.2. In the event of a substantial modification, Lucid Engine will inform Clients by email and/or in-Service notification at least thirty (30) days before the new terms take effect.

21.3. Continued use of the Service after the modifications take effect constitutes acceptance of the new Terms. In case of refusal, the Client may cancel their subscription under the conditions set out in Article 8.6.

22.1. The parties agree that electronic records, connection logs, transaction data and usage traces maintained by Lucid Engine's computer systems shall constitute evidence between the parties under the conditions of Article 1366 of the French Civil Code.

22.2. These elements constitute admissible evidence enforceable against the parties under the same conditions as any document produced on paper.

If one or more provisions of these Terms are declared null, unenforceable or inapplicable under any law, regulation or final court decision, the remaining provisions shall retain their full force and effect. The parties shall then negotiate in good faith a replacement clause having an economic effect as close as possible to the invalidated clause.

24.1. These Terms are governed by and construed in accordance with French law, excluding any conflict of laws.

24.2. In the event of a dispute relating to the validity, interpretation or performance of these Terms, the parties shall endeavor to find an amicable solution within thirty (30) days.

24.3. Failing amicable resolution, any dispute shall be submitted to the exclusive jurisdiction of the courts of Paris (France), including in summary proceedings, in the event of multiple defendants or third-party proceedings. This jurisdiction clause applies to the Client acting in a professional capacity.

For any questions regarding these Terms: