Tariq bin Shihab (may Allah be pleased with him) says: A delegation of Asad and Ghatafan came to Sayyiduna Abu Bakr al-Siddiq (may Allah be pleased with him) seeking peace. Sayyiduna Abu Bakr al-Siddiq (may Allah be pleased with him) told them: Either there is war, or else make peace in humiliation (and pay blood money).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قتال أهل البغي / 16761