Originally Posted by
PETER01
Yes please post back if you can as it's good to hear how things end or what the reason actually was.

Update: Spoken to a helpful CX agent who was able to put in my API data and he had no issues. To be 100% sure, checked my booking info online and i can see it in there, so all is well!
Mods: feel free to move to CX forum if more appropriate.
Thank you all for your speedy replies!