Engineering-as-Marketing

Free tools for merchants planning crypto payments.

Calculate the fee, choose the rail, test the checkout logic, and pressure-test your integration before a sales call. XPayr tools are built for teams that want fast decisions: clear math, testnet-first flow, webhook visibility, and a flat 0.5% gateway model.

Calculate savings Open free testnet account
10Ungated tools for fee, network, checkout, ARC operations, and webhook decisions.
0.5%Flat XPayr gateway fee used across calculators.
7+Networks referenced across stablecoin and checkout planning.
FreeTestnet account available before mainnet activation review.
Swap & Bridge

Swap and bridge stablecoins with clear fees.

Swap, bridge and unified USDC routes are verified and live on Mainnet. Connect your wallet to execute non-custodial transactions. Need a calculator today? XPayr Free Tools remain available for fee, network, checkout and developer planning.

Open Swap & Bridge
Toolbox

Make the payment decision visible before implementation.

These tools target high-intent buyer questions: how much will it cost, which network should we support, what must engineering prepare, and how do finance teams reconcile the result.

Partner revenue

Partner & Affiliate Earnings Calculator

Model your recurring 30% RevShare and CPA earnings across referred merchants and volume.

 Fee savings

Crypto Payment Fee Calculator

Compare your current processor cost with XPayr flat 0.5% gateway pricing.

 Network choice

USDT Network Cost Estimator

Choose the right stablecoin rail across TRON, Ethereum, Solana, Polygon, and BNB Chain.

 Launch readiness

Crypto Payment Readiness Checker

Score whether your business is ready for links, widgets, API checkout, and mainnet review.

 Settlement design

Stablecoin Settlement Planner

Model accepted assets, preferred settlement asset, routing complexity, and operational controls.

 Checkout preview

Testnet Checkout Simulator

Walk through session creation, wallet payment, confirmation, webhook, and reconciliation.

 Developer QA

Webhook Tester

Generate sample payment events, headers, HMAC signatures, and verification snippets locally.

 XPayr · Built on Arc Network

USDC Gas Calculator for Arc Testnet by XPayr

Estimate an Arc Testnet transaction budget in USDC using the gas inputs you provide. This XPayr tool is a planner, not a Mainnet quote.

 XPayr · Built on Arc Network

USDC Bridge Planner for Arc Testnet by XPayr

Plan a USDC route into or out of Arc Testnet, separate the bridge amount from the XPayr operation fee and continue to wallet-signed execution.

 XPayr · Built on Arc Network

Stablecoin Swap Planner for Arc Testnet by XPayr

Preview a same-chain stablecoin conversion, slippage budget and XPayr operation fee before requesting an executable quote.
Want the real checkout flow after the estimate? Create a free merchant account, run testnet sessions, and compare payment status, network, token, fee, and webhook logs in the dashboard.
Start on testnet