Can I top up bluebiz credits with a card to buy a new flight?
No. The published bluebiz spending rules do not allow combining blue credits with another payment method. Your balance must cover the entire ticket, including taxes and surcharges. Before searching, use the linked corporate account or an authorized designated travel agent.

What this answer depends on
- New bluebiz-funded ticket purchase on eligible Air France/KLM channels; no existing-ticket servicing.
- A blue-credit ticket must be paid in full with credits, including taxes and surcharges; another form of payment cannot cover a shortfall.
- Direct booking requires the linked bluebiz login and selecting the corporate account under Your corporate contract on the airline homepage.
- An authorized designated travel agent can request credit payment, while vouchers and discount codes cannot be combined with blue credits.
- A traveler may have enough credits for the advertised base fare but not the taxes. That is not a partly funded booking waiting for a card payment. The correct next step is to compare another eligible complete option or another payment route, not keep retrying a nonexistent top-up field.
- The direct and agency routes differ materially: selecting a corporate contract is the direct-booking step, while designated-agent authorization is the agency step. Neither is replaced by inserting an ordinary personal frequent-flyer number.
Important exceptions
- No specific balance, fare or available flight is verified. The account’s country determines the currency relationship, so do not apply a displayed US-dollar example to every market. Other product restrictions in the current spending rules still need review.
More booking questions
Can I pay just the taxes with a card?
Not under the cited full-ticket blue-credit payment rule.
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Can my usual agent automatically use the credits?
The published route requires designated-agent authorization.
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