Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from front-end and insert them into three tables, and they have this "foreign key" relationship.

Suppose we have a need to receive data from frontend and insert them into 3 table, and they have this "foreign key" relathinship.
If we provide frontend 3 separate POST methods, and they submit all the data in one “submit” action. And these three methods don’t have a step by step work flow like this one
How can we ensure the transaction between the 3 POST calls?