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Gateway comparison
XPayr vs Slash Web3 Payments
A direct comparison for merchants evaluating crypto checkout, wallet settlement, stablecoin rails, fees, API/webhooks, testnet evaluation, and operational payment records.
Fee comparison needs context.
Slash Web3 Payments routes buyer tokens through DEX liquidity pools on EVM chains (exposing payers to DEX swap slippage and pool liquidity limits).
XPayr charges a flat 0.5% gateway fee per successful transaction before network gas, swap, bridge, or third-party route costs.
Slash Web3 PaymentsWhere each platform fits
| Decision area | XPayr | Slash Web3 Payments |
|---|---|---|
| Non-EVM chain support | Native Solana, TRON TRC-20, TON, Bitcoin + 8 EVM/Arc networks. | EVM-centric smart-contract DEX routing architecture. |
| Slippage & gas predictability | 0% DEX swap slippage; supports ERC-2612 Gasless Permit (/gasless). | Higher DEX swap gas overhead and pool price-impact risk. |
| Exchange QR compatibility | Full Binance/Bybit/OKX Direct Exchange QR with 1% tolerance. | Requires Web3 wallet interaction with Slash router contract. |
| Tools & AI ecosystem | 22 free calculators (/tools), 21-tool MCP server, OpenAPI 3.1 & Postman v2.1. | Merchant dashboard and Web3 checkout SDK. |
| AI Agent & MCP Server Integration | Official 21-tool Model Context Protocol server (@xpayr/mcp-server on NPM & Official Anthropic MCP Registry io.github.xpayrcom/xpayr-mcp-server), OpenAPI 3.1.0 playground (api-docs.xpayr.com), and policy-controlled AI agent commerce. | Check official provider documentation for current AI agent or MCP protocol support. |
When XPayr is the cleaner choice
XPayr eliminates DEX swap slippage and router smart-contract complexity during checkout, natively supports non-EVM giants (Solana, TRON TRC-20, TON, Bitcoin) alongside EVM L2s, and settles 99.5% directly at a flat 0.5% fee.
- APAC & global gaming, SaaS, and e-commerce teams needing TRON, Solana, TON, and Base alongside EVM.
- Merchants wanting predictable 0% slippage stablecoin amounts and QuickBooks/Xero ERP exports.
- Teams leveraging ERC-2612 Gasless Permit (/gasless) to eliminate buyer gas drop-offs.
When Slash Web3 Payments may still win
Slash fits APAC EVM-only dApps that want automatic on-chain DEX token swapping during buyer payment.
- EVM-only dApps specifically wanting automatic long-tail altcoin DEX swaps during payment.
Questions before choosing
Is XPayr cheaper than Slash Web3 Payments?
XPayr charges a flat 0.5% gateway fee per successful payment before chain gas or route costs. The right comparison depends on the competitor flow, conversion settings, network fees, settlement model, and merchant volume.
When should a merchant choose XPayr?
XPayr eliminates DEX swap slippage and router smart-contract complexity during checkout, natively supports non-EVM giants (Solana, TRON TRC-20, TON, Bitcoin) alongside EVM L2s, and settles 99.5% directly at a flat 0.5% fee.
When might Slash Web3 Payments still be better?
Slash fits APAC EVM-only dApps that want automatic on-chain DEX token swapping during buyer payment.
Does XPayr support AI agents and the Model Context Protocol (MCP) compared with Slash Web3 Payments?
Yes. XPayr provides an official 21-tool MCP server (@xpayr/mcp-server on NPM and io.github.xpayrcom/xpayr-mcp-server on the Official Anthropic MCP Registry) plus policy-controlled AI agent payment intents with human-in-the-loop approval guardrails.