Choose by operating model, not just feature count.
Switch when you need pure 0.5% non-custodial merchant crypto checkout, SaaS recurring billing, POS, and AI agent MCP tools.
Gateway comparison
XPayr vs Alchemy Pay
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.
Alchemy Pay is primarily a custodial fiat-to-crypto ramp and enterprise merchant acquirer (~1.0%–3.5%+ ramp/processing fees) requiring enterprise onboarding contracts.
XPayr charges a flat 0.5% gateway fee per successful transaction before network gas, swap, bridge, or third-party route costs.
Alchemy Pay overviewWhere each platform fits
| Decision area | XPayr | Alchemy Pay |
|---|---|---|
| Core architecture | 100% non-custodial merchant crypto checkout & treasury engine (0.5%). | Custodial fiat-crypto ramp & enterprise merchant acquiring. |
| Self-serve developer access | Instant browser Sandbox (/sandbox), OpenAPI 3.1.0 & sk_test_ keys. | Business development onboarding & ramp partner agreements. |
| Exchange QR + Web3 UX | Dual Checkout: 1-Click Web3 + Direct Exchange QR (1% tolerance). | Custodial ramp widget & Alchemy Pay crypto acceptance rails. |
| Software & AI monetization | ES256 License Kit (/license-kit), HTTP 402 paywalls & 21 MCP tools. | Token on-ramp SDKs and physical/virtual card programs. |
| 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 provides instant self-serve Testnet API keys, a transparent flat 0.5% crypto checkout split, Direct Exchange QR with 1% tolerance, and 100% non-custodial wallet finality without enterprise contract minimums.
- Global SaaS, gaming, hosting, and e-commerce stores accepting stablecoins directly at 0.5%.
- Engineering teams wanting ungated Sandbox (/sandbox) and Testnet keys in 60 seconds.
- AI products monetizing APIs with HTTP 402 (/x402) and MCP (/mcp).
When Alchemy Pay may still win
Alchemy Pay fits Web3 apps embedding custodial Visa/Mastercard fiat on-ramps where users buy tokens with bank cards.
- Consumer dApps embedding custodial Visa/Mastercard fiat-to-token purchase widgets.
Questions before choosing
Is XPayr cheaper than Alchemy Pay?
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 provides instant self-serve Testnet API keys, a transparent flat 0.5% crypto checkout split, Direct Exchange QR with 1% tolerance, and 100% non-custodial wallet finality without enterprise contract minimums.
When might Alchemy Pay still be better?
Alchemy Pay fits Web3 apps embedding custodial Visa/Mastercard fiat on-ramps where users buy tokens with bank cards.
Does XPayr support AI agents and the Model Context Protocol (MCP) compared with Alchemy Pay?
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.