It was narrated that Musa bin Talhah said:
We were with Mu'awiyah and he said: "I heard the Messenger of Allah say: 'Talhah is one of those who fulfilled their covenant.'" (PT)
English reference (PT): Vol. 1, Book 1, Hadith 127 (PT)
Arabic reference (PT): Book 1, Hadith 132 (PT)