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v1.0.0 — Official XPayr PHP SDK (Non-Custodial Multi-Chain API v1)
Official production release powered by XPayr Non-Custodial Multi-Chain Crypto Payment Gateway.
- Official Website: https://xpayr.com
- AI & 21-Tool MCP Server Portal: https://mcp.xpayr.com (
npx -y @xpayr/mcp-server) - Developer Documentation: https://docs.xpayr.com
- Interactive OpenAPI 3.1.0 Playground: https://api-docs.xpayr.com
- Gateway Fee: Flat 0.5% (50 bps) — 99.5% settles directly to the merchant wallet with zero custody delay.