Effective as published: 16 August 2026. This English text is a translation; the Russian version is legally primary.

Public offer

for conclusion of a services agreement

General provisions

This Public Offer sets out the terms for concluding a Services Agreement (hereinafter the “Services Agreement” and/or the “Agreement”). This Offer is a proposal addressed to an indefinite circle of persons that is sufficiently definite and expresses the intention of the person making the proposal to consider itself bound by an Agreement with the addressee that accepts the proposal.

Performance of the actions set out in this Offer confirms the consent of both Parties to conclude a Services Agreement on the terms, in the manner and to the extent set out in this Offer.

The text of this Public Offer below is an official public proposal by the Contractor addressed to interested persons to conclude a Services Agreement in accordance with clause 2 of Article 437 of the Civil Code of the Russian Federation.

The Services Agreement is deemed concluded and becomes effective from the moment the Parties perform the actions provided for in this Offer that signify unconditional and complete acceptance of all terms of this Offer without any exclusions or limitations, on an adhesion basis.

Terms and definitions

Contractor — professional income tax payer Sergey Aleksandrovich Markhel (details are set out at the end of this Offer).

Customer — a natural person who has accepted this Offer.

Agreement — the text of this Offer accepted by the Customer by performing the conclusive actions provided for in this Offer.

Conclusive actions — conduct that expresses consent to a counterparty’s proposal to conclude a contract. Such actions consist of full or partial performance of the terms proposed by the counterparty.

Website — the Contractor’s information system on the Internet, access to which is provided at: https://melquaro.tech/

Parties — the Contractor and the Customer.

Service — a remote digital service for creating personal songs with the assistance of artificial intelligence: preparing lyrics, music variants, and providing the ability to listen to and download the result in the Customer’s account on the Website.

Result — the song lyrics and audio files generated under the Service and made available to the Customer in their account.

Subject of the Agreement

The Contractor undertakes to provide Services to the Customer, and the Customer undertakes to pay for them in the amount, manner and within the time limits set out in this Agreement.

The specific scope of the Service, available packages, special offers (including for new customers), generation times and other terms are determined by the information on the Website at the time the order is placed, and by the Buyer information page.

The Contractor provides the Services personally or with the involvement of third parties (including AI model providers and payment services). The Contractor remains liable to the Customer for the acts of such third parties as for its own acts, within the limits of this Offer.

The Agreement is concluded by acceptance of this Offer through conclusive actions, including:

registration or sign-in to an account on the Website, where this is required to receive the Services;
placing an order and paying for the Services;
using the account and starting generation.

This list is non-exhaustive; other actions that clearly express an intention to accept the Offer are also sufficient.

Rights and obligations of the Parties

Rights and obligations of the Contractor

The Contractor undertakes to provide the Services in accordance with this Offer and the information stated on the Website at the time of the order.

The Contractor undertakes to grant the Customer access to the Website sections necessary to obtain information about the Service and to receive it (account, payment, generation, download of the Result).

The Contractor stores and processes the Customer’s personal data in accordance with the Privacy Policy and uses them to provide the Services, perform the Agreement and comply with the law.

The Contractor may amend this Offer, the scope of Services and the information on the Website by publishing the current version on the Website. The new version applies to agreements concluded after it is published. Previously concluded agreements (including paid but still unused Service volume) continue under the terms in force at the time they were concluded, unless otherwise required by law or unless the change improves the Customer’s position.

Rights and obligations of the Customer

The Customer must provide accurate information necessary for the provision of the Services.

The Customer may use the Result for personal, family and household purposes, including listening, downloading and gifting the song to a chosen recipient (sending a file or a link, or playing it among close persons).

The Customer may not resell the Result as a product or service, transfer it for commercial use by third parties, present the Contractor’s service as their own, or use the Result in ways that violate the law or third-party rights.

The Customer must not submit for generation materials that violate the law, third-party rights or the Website rules.

The Customer undertakes to accept the Services provided. A corresponding portion of the Service is deemed provided when the Contractor performs the requested action (generation of lyrics, music, etc.) and makes the Result available in the account.

The Customer may demand a refund for Services not provided, Services provided improperly, and on other grounds provided by the laws of the Russian Federation. The request procedure is described on the Buyer information page. Already provided Service (used volume) is not refunded except where the law requires otherwise.

The Customer confirms that the terms of the Agreement are clear and are accepted without reservations.

Price and settlements

The cost of the Services, available packages and special offers are determined by the information on the Website at the time the order is placed. Current prices are published in the pricing section on the homepage and on the top-up page.

Prices are not fixed in this Offer: the price list published on the Website applies. All settlements are made by non-cash means. Payment is 100% prepayment. For customers in the Russian Federation, settlements are in Russian rubles.

Details of ordering, payment, generation times and refunds are on the Buyer information page.

Confidentiality and security

In performing this Agreement, the Parties ensure the confidentiality and security of personal data in accordance with Federal Law No. 152-FZ of 27 July 2006 “On Personal Data” and Federal Law No. 149-FZ of 27 July 2006 “On Information, Information Technologies and Protection of Information”.

The Parties undertake not to disclose confidential information obtained in the course of performing the Agreement, except as set out below.

Information is not confidential if it:

has become publicly available other than through a breach of this Offer;
was lawfully received from a third party without a duty of confidentiality;
was independently developed by a Party without using the other Party’s confidential information;
must be disclosed pursuant to law, a court or an authorised state body;
is disclosed with the other Party’s written consent.

Force majeure

The Parties are released from liability for non-performance or improper performance of obligations under the Agreement if proper performance became impossible due to force majeure, that is, extraordinary and unavoidable circumstances under the given conditions, including: prohibitive acts of authorities, epidemics, blockade, embargo, earthquakes, floods, fires or other natural disasters.

If such circumstances occur, the Party must notify the other Party within 30 (thirty) business days.

A document issued by an authorized state body is sufficient confirmation of the existence and duration of force majeure.

If force majeure continues for more than 60 (sixty) business days, each Party may unilaterally withdraw from this Agreement.

Liability of the Parties

In the event of non-performance and/or improper performance of obligations under the Agreement, the Parties bear liability in accordance with this Offer and the laws of the Russian Federation.

The Contractor is not liable if non-performance occurred through the Customer’s fault, including inaccurate source data, a breach of Website rules, or actions the Customer took with the Result independently.

The Result is created automatically with AI. The Contractor does not guarantee artistic quality, uniqueness or fitness of the Result for a particular purpose, except for requirements expressly established by consumer-protection law.

A Party that has failed to perform or has improperly performed its obligations must compensate the other Party for losses caused by such breaches, within the limits established by law.

Term of this Offer

The Offer becomes effective upon publication on the Website and remains in force until withdrawn by the Contractor.

The Contractor may amend or withdraw the Offer. Information about amendment or withdrawal is provided by publication on the Website and, where appropriate, by notice to the Customer’s email address.

The Agreement becomes effective upon the Customer’s acceptance of the Offer and remains in force until the Parties fully perform their obligations.

Publication of a new version of the Offer does not automatically change already concluded agreements: those agreements are performed on the previous terms, as stated in the section “Rights and obligations of the Contractor”.

Additional terms

The Agreement, its conclusion and performance are governed by the laws of the Russian Federation. Matters not regulated by this Offer are governed by the substantive law of the Russian Federation.

The Parties shall seek to settle disputes amicably. Pre-trial dispute resolution is mandatory. Disputes on which no agreement is reached are resolved in accordance with the laws of the Russian Federation.

The language of the Agreement and of interaction between the Parties is Russian. Documents must be drawn up in Russian or accompanied by a certified Russian translation.

Inaction by one of the Parties in the event of a breach does not constitute a waiver of the right to protect its interests later.

If the Website contains links to other websites and third-party materials, they are provided for information only. The Contractor has no control over their content and is not liable for any loss arising from their use.

Related documents: Buyer information, Privacy Policy, Seller details.

Contractor details

Full name: Self-employed Sergey Aleksandrovich Markhel
INN (Taxpayer ID): 772704992905
OGRN / OGRNIP: not applicable (professional income tax payer)
Address: 117041, Moscow, Yuzhnoye Butovo District, Admirala Lazareva St., 52 bld. 3, apt. 18
Contact e-mail: Beton8@yandex.ru