> For the complete documentation index, see [llms.txt](https://nu0-1.gitbook.io/nu-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nu0-1.gitbook.io/nu-whitepaper/fees.md).

# Fees

### Fee Allocation & API Pricing Structure

The fee framework outlined below scales based on individual transaction volume processed within the nuBlock Pay mobile application, as well as invoice and checkout share links generated through the business portal. All core API integrations remain fixed at a flat rate of 15 basis points (BPS) per transaction.

| Tier / Condition      | All tiers will be based form the amounts that are sent stated below / Status (USD)                   | Dynamic Transaction Fee |
| --------------------- | ---------------------------------------------------------------------------------------------------- | ----------------------- |
| Presale Priority Tier | Holds $500+ in our $NU Presale Tokens (Locked to the original presale wallet address) - Lifetime Fee | 0.55%                   |
| Tier 4                | $15,001+                                                                                             | 0.65%                   |
| Tier 3                | $10,001 – $15,000                                                                                    | 0.75%                   |
| Tier 2                | $5,001 – $10,000                                                                                     | 0.85%                   |
| Tier 1                | $1 – $5,000                                                                                          | 0.99%                   |

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