The phrase "amount upfront" is correct and usable in written English.
It is typically used in financial contexts to refer to a payment that is made in advance before receiving goods or services.
Example: "To secure your reservation, we require a certain amount upfront to confirm your booking."
Alternatives: "payment in advance" or "initial payment".
The City would receive a large lump sum amount upfront from investors.
About 90 percent of survivors choose to receive the full amount upfront.
She was in favor of financing the facade work and raising the entire amount upfront.
The investor might agree to pay a certain amount upfront, with future payouts contingent on the product's success.
Investors are now required to pay the full amount upfront and any fees to middlemen must be paid separately.
Fellowship funding is intended primarily for living and travel expenses and we provide the fellowship amount upfront as a direct deposit or check.
Competitors have traditionally required businesses to pay large amounts upfront, or even pre-pay for their entire order, but Lob lets its customers pay as you go.
Key Retirement Solutions did some number-crunching for us, looking at two scenarios: releasing this amount as a lump sum upfront, or releasing an initial £20,000, and then withdrawing three lots of £10,000 over the next few years (at the start of year four, year six and year nine).
In practice, it involves a fair amount of upfront work.
Renting a studio for a year in one building would have been expensive: $33,600 in rent, with half of that amount paid upfront, plus an $8,400 broker's fee.
In the court documents, they wrote that the two houses, particularly Sotheby's, "may have a cash flow problem should they be required to pay the full amount ($512 million) upfront in cash, or were the case tried successfully to judgment".
