"I conveyed President Zelensky's message to President Putin," Widodo said after a meeting with Putin in Moscow, the BBC reports.
On Wednesday, Widodo met with Zelensky in Kyiv, and yesterday in Moscow with Putin.
He did not reveal the content of the message, but added that he expressed his "willingness" to help initiate communication between the two presidents.
U.S. Vice President Kamala Harris said on Wednesday that she intends to run for a second term with President Joe Biden in the 2024 election. She was answering questions from reporters on the plane en route to California.
"President [Biden] intends to run, and if he does, I will be his partner. We will work together," the White House spokeswoman was quoted as saying.