Former centre-back Ashley Williams - who won 86 caps for his country - was quick to defend Kpakio, stating that his maiden outing under Bellamy should not dent his confidence.
"It was a tough night for him but he did some good things as well. Don't let it knock your confidence," said Williams.
"I think a lot of people would have struggled if they'd made their debut today - Canada were a tough opponent."
A host of regulars were not involved in the latest international camp - including Ethan Ampadu, Joe Rodon, Nathan Broadhead, Kieffer Moore, Danny Ward, Aaron Ramsey, Connor Roberts and Jay Dasilva - paving the way for youngsters to be given a chance.
Bellamy had spoken of the quality of Canada - ranked 28th in the world by Fifa, three places above Wales - in the build-up to the fixture at the Swansea.com Stadium, highlighting that he wanted his squad to be properly tested.
So it was perhaps more understandable that David Brooks was typically diplomatic in his assessment of the new caps.
"We've got a very good team that are mainly playing in the qualifiers and then we've got a lot of young talent that was on show [against Canada] that I thought did really well," he said.
"A few debuts as well which they should all be proud of. I think they gave a good account of themselves."