invalid_cursor
Status 400. The cursor is not one this endpoint issued.
What it means
The cursor is not one this list gave out.
What to do
Pass back next_cursor exactly as you received it, with the same filters, and on GET /members the same sort and order. If you have lost it, start the list again without a cursor.
Safe to send again?
Not as it is. Change what the answer points to, then send the request.
What else the answer carries
param: The field, header or query parameter at fault, when there is exactly one.
Where you can meet it
GET /members: Shoppers on this accountGET /members/{member_key}/codes: The reward codes this shopper holdsGET /ledger: Every points movement on this account, newest firstGET /audit-log: What every key changed, and what it was shown
Every code, and the shape of an error answer: Errors.