Costs & Pricing

Metric	Spark Cash Plus	Spark 1% Classic
Annual fee	$150 ($150 statement credit if ≥ $150,000 net purchases by membership anniversary)	$0 (ongoing; no intro-year structure)
Employee card fee	$0 (free employee and virtual cards)	$0 (free employee cards; no per-card fee published)
Purchase APR	Not printed as revolving purchase APR; Pay Over Time variable APR ~25.74% (review sites, mid-2026) if balance carried	28.99% variable on the product page and pre-approval rates block (Sept. 3, 2026). Not published as a range; no Prime + margin table on the Classic page. Review sites still show 29.49%–30.74% — treat as stale vs issuer page.
Intro APR (purchases)	Not offered	Not offered
Foreign transaction fee	$0	$0
Late payment fee	2.99% late fee if minimum payment not paid by due date	Not on the official Classic page. Bankrate (Dec 19, 2025): up to $39. Do not apply Cap One charge-card 2.99%-of-unpaid-minimum language to Classic.

Rewards & Value

Metric	Spark Cash Plus	Spark 1% Classic
Base earn rate	Unlimited 2% cash back on net purchases (no category caps)	Unlimited 1% cash back on every purchase. Marketing: no limits or category restrictions; no minimums. Rewards will not expire for the life of the account.
Welcome bonus	$2,000 cash after $30,000 spend in first 3 months; +$2,000 for every $500,000 in year one (repeatable)	None. Live public offer as of September 3, 2026: no cash bonus, no spend threshold. Historical typical offer: also none.
Redemption value	1¢ per 1¢ cash back on statement credit/check	Cash at face value on statement credit or check (1¢ per 1% dollar). Official FAQ: redeem for any amount / no minimums. Gift-card rates may vary. Do not assume portal 5% unless the user actually books hotels/cars in Capital One Business Travel. Do not assume World Elite travel credits or transferable miles.
Transfer partners	No native transfer partners; cash may convert to Capital One miles ($1 = 100 miles) if linked to miles-earning Cap One card	None on this cash-back product. Official FAQ: cash rewards earned through spending on Spark Classic are not taxable (issuer still says consult a tax expert).

Credit & Eligibility

Metric	Spark Cash Plus	Spark 1% Classic
Personal guarantee	Required in practice (issuer-typical for Cap One business cards; not quoted on product page)	Not quoted on the Classic product page. Commonly reported as required; official Classic sentence missing. Secondary sources (NerdWallet, Ramp, WalletHub) treat Cap One small-business cards, including Classic, as PG required.
Credit check	Hard pull on submit; pre-approval advertised as no impact to personal credit	Pre-approval advertised as no impact to personal score. Submitted application treated by reviewers as a hard pull on personal credit (commonly all three bureaus). Official: application may be declined if you have a freeze with credit bureaus.
Employee cards	Free; spend limits, lock/unlock, account manager role; primary remains liable	Free; add with name, DOB, phone; option to issue plastic or not; custom spend and cash limits, reset mid-cycle. Number allowed not disclosed. Primary account / guarantor remains responsible (Classic page does not spell joint and several).
Product type	Hybrid charge card / NPSL business card (designed pay-in-full; Pay Over Time optional)	Revolving business credit card (balance may be carried; interest applies). Not a charge card. Contrast siblings: Spark Cash Plus and Venture X Business are pay-in-full / NPSL charge cards.

Pros & Cons

Spark Cash Plus

Pros

• Uncapped 2% cash back on all net purchases
• NPSL capacity plus free employee and virtual cards
• $150 annual fee refunded at $150,000 net spend by anniversary
• Large year-1 bonuses — $2,000 at $30k/3 mo plus $2,000 per $500k spent
• $0 foreign transaction fee; 5% on Capital One Business Travel hotels/VR/cars

Cons

• $150 fee is real if spend stays below $150k/year
• Pay-in-full design — 2.99% late fee and Pay Over Time interest if you carry
• Bonus hurdles favor very high spenders ($30k/3 mo, $500k increments)
• No 0% intro APR and no balance transfers
• Bonus often blocked for existing/previous Capital One Business cardholders

Spark 1% Classic

Pros

• $0 annual fee with no year-2 surprise
• Explicitly underwritten for fair personal credit — rare in the Spark/Ink/Amex Business set
• Unlimited 1% + 5% Capital One Business Travel hotels/cars; rewards do not expire while the account is open
• $0 foreign-transaction fee on a fair-credit product
• Free employee cards with spend limits, virtual numbers, QBO/Excel export, year-end summaries, and $0 fraud-liability language covering employee cards

Cons

• 28.99% variable purchase APR and no intro 0% — carrying a balance is expensive
• No welcome bonus
• 1% base lags Spark Cash Select (1.5%) and Spark Cash (2%)
• Balance transfers not available
• Likely reports full activity to personal credit — utilization risk

Verdict

Spark Cash Plus

Capital One Spark Cash Plus is the go-to for businesses with serious spend who can pay in full. Uncapped 2%, NPSL flexibility, free employee/virtual cards, and a refundable $150 fee at $150k make it a premium flat-rate engine — especially with the live $2,000 welcome bonus and limited $500 travel credit (through Sep 7, 2026). Poor fit for 0% financing seekers, lounge hunters, or businesses under $150k annual card spend.

Spark 1% Classic

Spark Classic is a credit-access card, not a rewards engine and not a 0% working-capital tool. Do not confuse it with Spark Cash Select (1.5%, $750 bonus, 9-month 0%) or Spark Cash Plus (2% NPSL charge card). Do not copy Venture X or World Elite Spark insurance onto this SKU until Classic’s own Guide to Benefits is confirmed. If you can qualify for Select or Ink Unlimited, those are better earners. If you cannot, Classic is a reasonable builder — only if you pay in full.