Is it a written agreement for two people to chat on WeChat?

WeChat is a written agreement. Two or more parties may reach an agreement on the establishment, alteration and termination of civil rights and obligations of property through electronic information network. The agreement shall conform to the requirements of original form and document preservation stipulated by law, the requirements of valid electronic signature stipulated by law, and the identity shall be effectively authenticated by a third party.

legal ground

Article 469 of the Civil Code, the parties may conclude a contract in written form, orally or in other forms. Written form refers to contracts, letters, telegrams, telexes, faxes and other forms that can tangibly express the contents contained. A data message that can tangibly express its content through electronic data interchange, e-mail, etc. , and can be retrieved at any time, are considered in writing.