Developer Certification

XPayr Certified Developer Track

A hands-on engineering track for independent developers and solution architects who want verified credentials and client referrals for XPayr implementations.

Partner Economics: Direct merchant implementation leads from XPayr + partner referral RevShare + official Certified Developer SVG badge.
Apply for Developer Certification → 🧮 Calculate Partner Revenue 📄 Partner One-Pager 🤖 21-Tool MCP Playground

Who This Track Is Built For

  • Full-stack TypeScript/Node.js, PHP, Python, and Solidity/Rust engineers.
  • AI engineers building autonomous procurement and checkout workflows with @xpayr/mcp-server.
  • E-commerce specialists customizing WooCommerce, Magento 2, PrestaShop, Shopware, OpenCart, or Zen Cart gateways.

What You Get From XPayr

  • Practical 5-step verification on XPayr Testnet (Session creation, Dual Checkout UX, HMAC Webhook Idempotency, ES256 License Verification, and MCP Policy Guardrail setup).
  • Interactive self-test suite across /tools/mcp-playground, /tools/webhook-tester, /tools/wallet-license-verifier, and /tools/ai-agent-policy-simulator.
  • Verified listing and embeddable SVG badge for your GitHub profile and portfolio.

Frequently Asked Questions

Is there a fee to complete XPayr Developer Certification?

No. Testnet account registration, sandbox simulators, open-source SDKs, and developer certification assessment are 100% free.

What technical skills are verified during certification?

Creating a checkout session via REST/MCP, verifying HMAC-SHA256 webhooks idempotently, handling payment.underpaid_accepted states, verifying an ES256 wallet license, and configuring AI agent spending guardrails.

Explore All XPayr Partner Tracks & Developer Tools

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