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Public Offer for Entering into an Informational and Reference Services Agreement

Version: 1.0
Effective Date: April 19, 2026

1. General Provisions

1.1. This document is an official public offer by sole proprietor Tatyana Vasilyevna Mikhailova (hereinafter the "Provider", "Operator") to enter into an informational and reference services agreement for the Symptomatica service (hereinafter the "Agreement", "Offer"), pursuant to Clause 2, Article 437 of the Civil Code of the Russian Federation.

1.2. Acceptance of this Offer is performed through conclusive actions by the Customer indicating consent to the Offer terms, including but not limited to: registration/start of Service use, submission of requests, account top-up, and payment for services.

1.3. The Agreement is deemed concluded from the moment the Customer accepts this Offer and remains effective until full performance by both Parties.

1.4. The Symptomatica service is an informational and reference product and is not a medical service or a medical device. The Service does not establish diagnoses, prescribe treatment, or replace in-person medical care.

1.5. Core definitions:

  • Service — the Symptomatica software product available at https://symptomatica.tech/ and via Telegram bot;
  • Customer — an individual who accepted the Offer terms;
  • Services — granting technical access to Service functionality and processing customer requests using artificial intelligence technologies;
  • Balance — Customer funds account in the Service used to pay for requests.

2. Subject Matter of the Agreement

2.1. The Provider undertakes to grant the Customer access to informational and reference functionality of the Symptomatica Service, and the Customer undertakes to pay for services under this Offer.

2.2. Specific usage terms, request processing prices, limits, and other service parameters are defined in the Service interface and/or information published on the Provider's website.

2.3. Informational content of responses is generated automatically by software using the OpenAI, L.L.C. artificial intelligence model. The Provider organizes access and payment infrastructure and does not issue medical conclusions on its own behalf.

2.4. The Provider may engage third parties to perform obligations (including payment and technology partners), while remaining responsible to the Customer within the limits established by applicable law and this Offer.

3. Rights and Obligations of the Parties

3.1. The Provider shall:

  • ensure access to the Service within technical capabilities;
  • provide the Customer with the ability to use paid Service functionality;
  • process claims and requests within the timeframes set by Russian law and this Offer;
  • process personal data in accordance with the Privacy Policy and Russian law.

3.2. The Customer shall:

  • provide accurate information required for Service use and refunds;
  • use the Service only for lawful personal non-commercial purposes;
  • refrain from actions that violate Service operation, Service security, or third-party rights;
  • timely pay for services under this Offer.

3.3. The Provider may suspend or restrict access to the Service if violations of the Offer terms, security threats, abuse, or other legal grounds are identified.

3.4. The Customer may obtain information on services, tariffs, payment and refund procedures, and submit requests through the Provider's contact channels.

4. Price and Settlement Procedure

4.1. Access to the Service interface is free. Processing of customer requests using artificial intelligence technologies is paid and debited from the Customer's Balance.

4.2. The price of each request is determined automatically in the Service interface depending on complexity and processing volume. Current tariffs are published in the Service interface.

4.3. Balance top-up is performed in non-cash form through payment partners YooKassa (YooMoney LLC) and Robokassa (Business-Element LLC). Bank card data is not transmitted to the Provider.

4.4. Upon top-up, funds are distributed as set out in the Terms of Service: one part as payment for computational resource reservation and payment infrastructure, and one part as refundable advance for future requests.

5. Refunds and Quality of Services

5.1. Refunds are carried out in accordance with the law of the Russian Federation, including Law of the Russian Federation No. 2300-1 dated February 7, 1992 "On Protection of Consumer Rights", and this Offer.

5.2. Only the unspent refundable part of the Customer's Balance is refundable. The non-refundable part corresponding to rendered service for computational resource reservation and payment infrastructure is not refundable.

5.3. A refund request must be sent to inform@symptomatica.tech with banking details for transfer. The refund period is 10 (ten) business days from receipt of a correct request.

5.4. In case of a technical error that caused a charge without response delivery, the Provider performs verification and, upon confirmation, restores debited funds to the Customer's Balance.

6. Confidentiality and Personal Data

6.1. Personal data processing is carried out in accordance with Federal Law No. 152-FZ dated July 27, 2006 "On Personal Data" and the Service Privacy Policy.

6.2. For Service operation, request data may be transferred to OpenAI, L.L.C. (USA) as technical processor to the extent required for request processing, in accordance with the Privacy Policy.

6.3. The Provider applies reasonable organizational and technical measures to protect data from unauthorized access, modification, disclosure, and destruction.

7. Force Majeure

7.1. Parties are released from liability for non-performance or improper performance if performance becomes impossible due to force majeure arising after Agreement conclusion and preventing performance.

7.2. The Party affected by force majeure must notify the other Party within a reasonable period from occurrence of such circumstances.

7.3. If force majeure lasts more than 60 (sixty) calendar days, each Party may terminate performance of the Agreement without compensation of potential losses to the other Party.

8. Liability of the Parties

8.1. For non-performance or improper performance, Parties are liable under Russian law and this Offer.

8.2. Aggregate liability of the Provider for any Customer claims is limited to the amount of funds actually credited by the Customer to the Balance during the last 30 (thirty) calendar days preceding the claim, unless mandatory law provides otherwise.

8.3. The Provider is not liable for indirect damages, lost profits, or consequences of Customer decisions made based on the Service's informational content.

9. Validity, Amendments, and Withdrawal of the Offer

9.1. This Offer enters into force from the moment of publication on the Provider's website and remains in force until withdrawn.

9.2. The Provider may amend the Offer unilaterally. A new version becomes effective upon publication on the website unless another date is specified.

9.3. Continued Service use after publication of a new version constitutes Customer acceptance of amended terms.

10. Governing Law and Dispute Resolution

10.1. Relations of the Parties are governed by the law of the Russian Federation.

10.2. Disputes are subject to pre-trial claim procedure by sending a written claim to inform@symptomatica.tech.

10.3. Response period is 10 (ten) calendar days for refund claims and 30 (thirty) calendar days for other claims, unless a different period is required by law.

10.4. If no agreement is reached, the dispute is referred to court under Russian law. For consumers, jurisdiction rules of Russian consumer protection legislation apply.

11. Provider Details

Provider (Operator):
Sole Proprietor Tatyana Vasilyevna Mikhailova
OGRNIP: 325784700285322
INN (Tax ID): 780409600060
Address: Saint Petersburg, Vavilovykh Street, Building 3, Unit 1, Liter A
Email: inform@symptomatica.tech
Website: https://symptomatica.tech/