Achshaph was in the eastern boundary of the tribe of Asher. There are several opinions as to its exact location, including Tell Keisan, Tell Regev, Tell Harbaj and Tell an-Nakhl. In the Greek Septuagint, in various manuscripts, depending on the passage, its name is given in the forms Azeiph, Achsaph, Achas, Keaph, Achiph, Acheib, and Chasaph.
The 1350 BC Amarna letters has Endaruta as the 'mayor' of Ak?apa (Achshaph). In this time period, the Habiru are attacking city-states, and Abdi-Heba of Jerusalem, Surata of Acco, ?uwardata of Qiltu (?), and Endaruta are aiding each other.
Only one extremely short letter–EA 223 (EA-el Amarna) is written from Endaruta of Ak?apa, and it is a one sentence topic: [following a short 3-sentence formal-formulaic introduction] ... "Whatever the king (i.e. pharaoh), my lord, orders, I shall prepare."
The third and only other reference in the Amarna letters corpus is from letter EA 366 (from ?uwardata of Qiltu (?)), and the letter states: