Last updated: 14 May 2026

These Terms and Conditions govern the purchase of the “Hidden Porto” ebook through this website (the “Website”), operated by Diogo Valente Unipessoal Lda, a company established in Portugal. The contract of sale is governed by Portuguese law.

Acceptance of these Terms is a condition of completing the purchase. If you do not agree with any clause, you should not proceed with the transaction.

1. Seller details

2. Subject

Diogo Valente Unipessoal Lda sells, through the Website, a digital product — the “Hidden Porto” ebook — delivered as a downloadable PDF file after payment is confirmed.

3. Price

The price of the ebook is shown on the Website in euros (€) and includes VAT at the applicable legal rate. The price that applies to your order is the one displayed at checkout; we reserve the right to change prices at any time, with no retroactive effect on orders already confirmed.

4. Order process

  1. The customer selects the ebook and clicks “Buy”.
  2. The customer fills in the form with name, email and, optionally, VAT number for the invoice.
  3. The customer chooses a payment method from those available (Multibanco, MB Way, Credit/Debit Card, Google Pay, Apple Pay), processed by IfThenPay, Lda (a payment institution authorised by the Bank of Portugal, registration no. 8707).
  4. Once IfThenPay confirms the payment, a download link for the ebook and the corresponding invoice are sent to the customer’s email.

5. Delivery

Since the ebook is digital content not supplied on a tangible medium, delivery is immediate and exclusively electronic:

If, after the timeframes above, you have not received the email with the link, please check your spam/junk folder and, if needed, contact us at diogovalente.lda@gmail.com.

6. Right of withdrawal — digital product

Under Article 17(1)(m) of Decreto-Lei n.º 24/2014, of 14 February (Portuguese Decree-Law 24/2014 on distance contracts, transposing Directive 2011/83/EU), the consumer does not have a right of withdrawal in respect of the supply of digital content not provided on a tangible medium where performance has begun with the consumer’s prior, express consent and acknowledgement that they will thereby lose the right of withdrawal.

By completing the purchase and starting to download the ebook, the customer:

In the event of a technical failure attributable to the seller (invalid link, corrupted file, demonstrable inability to access the content after several attempts), Diogo Valente Unipessoal Lda undertakes to resend the file or, where the issue cannot be resolved, to refund the full amount paid.

7. Intellectual property rights

The content of the ebook, including text, photographs and illustrations, is protected by copyright and is owned exclusively by Diogo Valente Unipessoal Lda or its licensors.

The purchase grants the customer a personal, non-exclusive and non-transferable licence to use the ebook for private purposes. Reproduction, distribution, public communication, sharing on peer-to-peer networks and any other commercial or mass use without prior written authorisation is expressly prohibited.

8. Invoicing

The invoice/receipt is issued in the customer’s name and sent to the email provided. To have a VAT number included on the invoice, it must be supplied at the time of purchase; it cannot be changed once the invoice has been issued.

9. Complaints and Alternative Dispute Resolution (ADR)

Complaints can be sent to diogovalente.lda@gmail.com. We undertake to reply within a maximum of 15 working days.

If you do not obtain a satisfactory resolution, you have the following options:

For more information on consumer rights, see the Portuguese Consumer Portal: www.consumidor.gov.pt.

10. Data protection

The processing of personal data in connection with the purchase is governed by our Privacy Policy, which forms an integral part of these Terms.

11. Governing law and jurisdiction

These Terms are governed by Portuguese law. Without prejudice to the consumer’s right to bring proceedings in the courts of their place of residence, any dispute that is not resolved out of court will be submitted to the District Court of Porto (Comarca do Porto).

12. Contact

For any question about these Terms, please contact:

Diogo Valente Unipessoal Lda
Rua Ferreira de Castro, 41, 4445-435 Ermesinde, Portugal
Email: diogovalente.lda@gmail.com