Key takeaways
- Level 2 and level 3 processing can lower interchange on qualifying commercial and government cards by sending richer data.
- Level 1 is basic; level 2 adds tax and purchase order data; level 3 adds full line-item detail.
- Networks reward the added transparency with lower rates on qualifying commercial cards.
- The benefit applies to commercial and government cards, not ordinary consumer cards.
- Flux's volume-based interchange-plus pricing is the natural home for level 2 and level 3 savings.
The B2B rate that most businesses overpay
If your business accepts card payments from other businesses or from government buyers, there is a good chance you are paying more in interchange than you need to. The reason is a part of the card system most merchants never see: level 2 and level 3 processing, a mechanism where sending richer data with each transaction can qualify it for lower interchange rates.
Consumer card payments run at what is effectively level 1: the basic transaction data. But commercial, corporate, and purchasing cards, common in B2B and government purchasing, can qualify for better rates when the merchant supplies additional detail. Understanding level 2 and level 3 processing is understanding how to stop leaving that difference on the table.
What are levels 1, 2, and 3?
The levels describe how much information travels with a transaction. Level 1 is a standard consumer transaction: the amount, the date, the merchant, the basics.
Level 2 adds more, notably tax amount and a customer or purchase order reference, the kind of detail a business buyer needs for its own accounting. Level 3 goes further still, carrying line-item detail: descriptions, quantities, unit prices, product codes, the full itemization of what was purchased.
The card networks reward this richer data with lower interchange on qualifying commercial cards, because more data means more transparency and lower risk for everyone in the chain. So the levels are really a trade: you provide more information, and qualifying transactions cost less to accept.
Why does more data mean lower rates?
It can feel backwards that supplying extra fields lowers your cost, so it is worth understanding why. Commercial and government buyers need detailed records for their own controls, reporting, and reconciliation. When a transaction arrives with tax and purchase order data, or full line-item detail, it is more useful and more auditable for the buyer's side.
The networks set interchange to encourage that transparency on commercial cards. Better data reduces ambiguity and disputes, so the qualifying rate is lower. In effect, you are being rewarded for making the transaction more complete, which is why level 2 and level 3 processing is specifically valuable in B2B and government contexts where those richer cards are common.
Where it applies and where it does not
This is not a universal discount, and it is important to be straight about that. Level 2 and level 3 benefits apply to qualifying commercial, corporate, purchasing, and government cards, not to ordinary consumer cards. If your customers pay mostly with personal cards, the levels will not change much for you.
But if a meaningful share of your volume comes from business or government buyers using commercial cards, the savings on those transactions can be worth pursuing. The way to know is to look at what cards your customers actually use, which is a conversation worth having rather than a guess.
Fitting it into your pricing
Flux's standard pricing is a flat 2.9 percent plus 30 cents per transaction, with volume-based custom interchange-plus pricing available as volume grows. That interchange-plus structure is the natural home for level 2 and level 3 benefits, because it is the model where the underlying interchange savings on qualifying commercial cards can be reflected rather than absorbed into a single flat rate.
For a B2B or government-facing business, the practical step is to review your card mix and volume with the Flux team and see how level 2 and level 3 processing maps to your transactions. There are no setup fees, monthly fees, minimums, or contracts to work around. Reach the team at sales@fluxpayments.com or (813) 402-8244, or apply at /apply.html.
Frequently asked questions
What is the difference between level 1, 2, and 3 processing?
Level 1 sends basic transaction data. Level 2 adds tax and purchase order references. Level 3 adds full line-item detail like descriptions, quantities, and unit prices. More data can qualify commercial cards for lower rates.
Does level 2 and level 3 processing lower rates on every card?
No. The benefits apply to qualifying commercial, corporate, purchasing, and government cards. Ordinary consumer cards do not qualify, so the savings depend on your customer card mix.
How does this fit Flux's pricing?
Flux offers a flat 2.9 percent plus 30 cents standard rate and volume-based interchange-plus pricing as you scale. The interchange-plus model is where level 2 and level 3 savings on qualifying cards can be reflected.
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