Choose by operating model, not just feature count.
Switch when treasury security demands zero processor custody, $0 sweep/withdrawal fees, instant self-serve API keys, and deterministic user_id deposit webhooks.
A direct comparison for merchants evaluating crypto checkout, règlement du portefeuille, stablecoin rails, fees, API/webhooks, testnet evaluation, and operational payment records.
Switch when treasury security demands zero processor custody, $0 sweep/withdrawal fees, instant self-serve API keys, and deterministic user_id deposit webhooks.
0xProcessing operates a custodial enterprise merchant-wallet processor (~0.5%–1.5% negotiated fees + internal hot-wallet sweeps and withdrawal rules) requiring sales onboarding.
XPayr applique des frais de passerelle fixes de 0.5% gateway fee per successful transaction before network gas, swap, bridge, or third-party route costs.
0xProcessing overview| Decision area | XPayr | 0xProcessing |
|---|---|---|
| Treasury custody risk | Zero processor custody — 99.5% settles directly to merchant wallets. | Custodial processor merchant balances & hot-wallet sweep architecture. |
| Onboarding speed | Instant self-serve Testnet keys + transparent public 0.5% rate. | Sales/Telegram inquiry & custom contract negotiation required. |
| Deposit & payout tooling | Player Deposits (/player-deposits) + 5,000-wallet non-custodial Hub de décaissements. | Custodial static wallets and balance-funded mass payouts. |
| Developer & AI standards | OpenAPI 3.1, Postman v2.1, 24 CMS plugins & 21-tool MCP server. | Proprietary merchant API and custodial webhook callbacks. |
| 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. |
XPayr eliminates third-party processor hot-wallet risk by settling 99.5% directly into your own hardware or Safe multisig wallet, offers instant self-serve API Testnet keys (no sales gatekeeping), and includes Player Deposits sub-ledger mapping (/player-deposits) at a public flat 0.5%.
0xProcessing fits operators that specifically want an external processor to pool and manage custodial hot wallets on their behalf.
XPayr applique des frais de passerelle fixes de 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.
XPayr eliminates third-party processor hot-wallet risk by settling 99.5% directly into your own hardware or Safe multisig wallet, offers instant self-serve API Testnet keys (no sales gatekeeping), and includes Player Deposits sub-ledger mapping (/player-deposits) at a public flat 0.5%.
0xProcessing fits operators that specifically want an external processor to pool and manage custodial hot wallets on their behalf.
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.