For a closer look at the topic, consider lowest fee crypto payment gateway fees alongside the options and criteria discussed below.
Choosing a crypto payment gateway often comes down to one question: which option costs the least per transaction? The answer depends on your monthly volume, the networks you support, and whether you convert to fiat or hold crypto payouts. This guide compares the major providers by their published standard rates and shows where hidden costs appear.
For merchants searching for the lowest fee crypto payment gateway fees, NOWPayments stands out with a flat 0.5% processing rate and no volume tiers to navigate. Their model keeps things simple — every merchant pays the same percentage regardless of size. That simplicity matters when you run a small storefront or a high-volume marketplace and want predictable checkout costs.
How Crypto Payment Gateway Fees Work
Every gateway charges three types of fees, and the total cost is the sum of all three.
The processing fee is the gateway’s cut, usually a percentage of each transaction. Some gateways add a fixed per-payment charge, which disproportionately hurts small orders. A 25-cent fee on a $10 payment equals 2.5%, while on a $100 order it drops to 0.25%.
The network fee goes to blockchain miners or validators, not the gateway. It varies by coin, network, and congestion. Moving Bitcoin on its main chain costs more than sending USDT on Polygon or Arbitrum. Most gateways deduct this fee from the incoming payment when forwarding funds to your wallet.
The conversion and withdrawal fee applies if you want fiat in your bank account. Gateways that offer automatic checkout conversion typically charge a markup above the mid-market rate. Withdrawal fees differ between SEPA, SWIFT, and crypto withdrawals.
NOWPayments vs Competitors
Here is how NOWPayments compares against other well-known gateways on their standard plans.
| Gateway | Standard Processing Fee | Fixed Fee Per Transaction | Volume Tiers | Payout Type |
|---|---|---|---|---|
| NOWPayments | 0.5% | None | No | Crypto only |
| CoinGate | 1% | None | Limited | Crypto balance |
| BlockBee | 1%– 0.25% | None | Yes, extensive | Crypto only |
| BitPay | 2% + $0.25 | $0.25 | Yes | Fiat and crypto |
| Cryptopay | Custom quote | Unknown | Unknown | Custom |
NOWPayments wins on raw percentage alone. At 0.5%, they charge half what most competitors start at. BitPay starts at 2% plus a fixed 25 cents, making them the most expensive option for small and medium orders. CoinGate and BlockBee both start at 1%, though BlockBee’s rate drops as your volume grows.
When Volume Changes Everything
Most gateways offer lower rates as your monthly processed volume increases. These volume-based models reward growth but can make cost forecasting harder.
NOWPayments does not use volume tiers. Your 0.5% rate stays the same whether you process $500 or $5 million per month. That predictability is valuable for businesses that plan to scale quickly and want to avoid renegotiating terms or hitting unexpected rate cliffs.
Competitors with tiered pricing look different once volume kicks in. BlockBee’s rate falls from 1% down to 0.25% at $25 million in 30-day volume. BitPay drops from 2% + $0.25 to 1% + $0.25 at $1 million per month. These reductions matter for large merchants, but they also mean smaller businesses pay significantly more.
| 30-Day Volume | NOWPayments | BlockBee | BitPay |
|---|---|---|---|
| Under $10,000 | 0.5% | 1% | 2% + $0.25 |
| $100,000+ | 0.5% | 0.75% | 1.5% + $0.25 |
| $1,000,000+ | 0.5% | 0.6% | 1% + $0.25 |
| $25,000,000+ | 0.5% | 0.25% | 1% + $0.25 |
For businesses under $100,000 monthly volume, NOWPayments offers the clear cost advantage. Beyond that threshold, the gap narrows but NOWPayments remains competitive. Only at extreme volumes does a tiered provider like BlockBee become cheaper.
Hidden Costs to Watch For
Processing fees are only part of the equation. Several additional charges affect your bottom line.
Network Forwarding Fees
When a gateway forwards an on-chain payment to your wallet, it deducts a network fee. On congested chains like Bitcoin or Ethereum, this can eat into small payments. Networks like Polygon, Arbitrum, and Tron keep these fees minimal, often under a cent. Choosing which coins and networks to accept directly impacts your effective cost.
Some gateways let you prepay network fees using credits, avoiding extra transactions per payment and reducing overall blockchain costs by up to 50%.
Conversion Markups
If you need fiat currency, auto-conversion at checkout typically includes a spread over the mid-market exchange rate. Manual conversions may carry an additional percentage fee. Gateways that payout exclusively in crypto push conversion decisions to you, letting you choose whichever exchange offers the best rate.
Refund and Payout Charges
Refunds often cost money. Some gateways charge a flat fee per refund plus a percentage if the refunded currency differs from the original payment. Marketplace operators who need to pay out to multiple sellers face separate payout fees, usually around 0.5% per transfer.
Minimum Payment Thresholds
Each supported coin has a minimum payment amount tied to blockchain dust thresholds. Payments below this minimum are rejected and cannot be recovered. Displaying acceptable networks and minimum amounts at checkout prevents lost sales.
Which Networks Keep Costs Low
The blockchain you choose for accepting payments dramatically affects total fees. Here is a rough comparison of typical network costs across popular chains.
| Network | Typical Network Fee | Best For |
|---|---|---|
| Bitcoin (mainnet) | $2 –$15 | High-value settlements |
| Ethereum (mainnet) | $1 –$10 | DeFi-integrated stores |
| USDT (Polygon) | <$0.01 | Everyday transactions |
| USDT (Tron) | <$0.01 | High-volume micro-payments |
| USDC (Arbitrum) | <$0.01 | Layer-2 scalability |
| Litecoin | $0.01 –$0.10 | Balanced speed and cost |
Offering stablecoins on low-cost networks alongside Bitcoin and Ethereum gives customers flexibility while keeping your expenses predictable. Most gateways support multiple networks per coin, so there is no reason to limit yourself to a single chain.
Pass Fees to Customers
Several gateways provide settings that add processing and network fee estimates directly to the customer’s order total. This approach shifts the cost burden away from the merchant entirely. You configure the behavior once in payment settings, and the checkout displays the adjusted total before the customer confirms.
Not every business wants this approach. Some merchants absorb fees as a marketing cost or competitive advantage. Others pass them through selectively, covering only the network fee while absorbing the processing fee. The right choice depends on your margins, customer expectations, and price sensitivity.
Making the Final Decision
Start by listing your priorities. If absolute lowest processing cost is the goal, NOWPayments at 0.5% with no fixed fees and no volume tiers delivers the cheapest base rate available. If you process millions per month and want aggressive volume discounts, a tiered provider may eventually undercut that 0.5%.
Check network support next. Ensure the gateway handles the coins and chains your customers actually use. Then verify conversion options, payout methods, refund policies, and any minimum payment thresholds. Compare the full picture rather than the headline percentage alone.