QUES: After all APIs are meant to be used by their very nature

correct the punctuation.

CORRECTED: After all, APIs are meant to be used by their very nature.

QUES: The only known copy starts with the pope and emperor see images further below followed by the expanded sequence Altogether 40 men finished by the dead king and the authority

correct the punctuation.

CORRECTED: The only known copy starts with the pope and emperor (see images further below), followed by the expanded sequence: Altogether 40 men, finished by the dead king and the authority.

QUES: Without E Numbers sugar 12

correct the punctuation.

CORRECTED:
Without E Numbers / sugar (12)