> ## Documentation Index
> Fetch the complete documentation index at: https://docs.trails.build/llms.txt
> Use this file to discover all available pages before exploring further.

# Pricing & Fees

> Understanding the fee structure and pricing model for Trails transactions

## Overview

Trails is **free to integrate** for any application. There are no setup fees, monthly costs, or integration charges. All fees are paid by the end-user at transaction time and are transparently displayed before confirmation.

## Fee Breakdown

Every Trails transaction includes the following fee components:

| Fee Type                | Description                                                 | Paid To                        |
| ----------------------- | ----------------------------------------------------------- | ------------------------------ |
| **Origin Gas**          | Gas to execute the transaction on the source chain          | Network Validators / Sequencer |
| **Destination Gas**     | Gas to execute the transaction on the target chain          | Network Validators / Sequencer |
| **Bridge/LP Fees**      | Fees charged by the underlying liquidity provider or bridge | Bridge/Liquidity Providers     |
| **Trails Protocol Fee** | Small protocol fee that decreases with volume               | Trails protocol                |

<Info>
  All fees are calculated and displayed upfront in the quote. Users see the exact amount they'll pay before confirming any transaction.
</Info>

## Protocol Fee Structure

The Trails protocol fee uses a volume-based tier system:

* Fees scale **significantly down** as transaction volume increases
* High-volume applications benefit from reduced per-transaction costs
* Fee tiers are calculated based on USD volume transacted

<Note>
  For enterprise pricing or high-volume discounts, contact the team.
</Note>

## Fee Transparency

Trails provides complete fee transparency through:

* **Quote Display**: Full fee breakdown shown before transaction confirmation
* **API Response**: Detailed fee information returned in quote responses (`totalFeeAmountUsdDisplay`)
* **No Hidden Costs**: What you see in the quote is exactly what users pay

## Alternative Gas Tokens

Users can pay gas fees using permit-compatible tokens like USDC or USDT instead of native tokens. See [Pay Gas with Any Token](/architecture/alt-fee-tokens) for details.