UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025.

Commission File Number 001-40628

Zenvia Inc.

(Exact name of registrant as specified in its charter)

N/A

(Translation of registrant’s name into English)

Avenida Paulista, 2300, 18th Floor, Suites 182 and 184

São Paulo, São Paulo, 01310-300

Brazil

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

Date: September 10, 2025

Zenvia Inc.

By:

/s/ Cassio Bobsin

Name: Cassio Bobsin

Title: Chief Executive Officer

Zenvia Inc. 6-K