Simulate XPayr webhook events (including 1% underpayment tolerance & License Kit events), compute real-time X-XPayr-Signature HMAC-SHA256 digests, and copy verification code for Node.js, PHP, Python, Go, or MCP.
xpayr_generate_webhook_signature_test directly inside Claude Desktop, Cursor, or via POST https://xpayr.com/api/mcp to automate webhook QA in your CI/CD pipeline.
No. Everything runs locally in your browser using the Web Crypto API. You can copy the generated cURL command to dispatch the signed payload from your own terminal to localhost or staging.
At minimum, handle payment.completed, payment.underpaid_accepted (when within the 1% / max $0.50 USD exchange withdrawal tolerance), payment.failed, and license.issued for software licensing flows.
Yes. Both @xpayr/mcp-server and the remote endpoint https://xpayr.com/api/mcp provide the xpayr_generate_webhook_signature_test tool for automated QA.
Model your recurring 30% RevShare and CPA earnings across referred merchants and volume.
Fee savingsCompare your current processor cost with XPayr flat 0.5% gateway pricing.
Network choiceChoose the right stablecoin rail across TRON, Ethereum, Solana, Polygon, and BNB Chain.
Launch readinessScore whether your business is ready for links, widgets, API checkout, and mainnet review.
Settlement designModel accepted assets, preferred settlement asset, routing complexity, and operational controls.
Checkout previewWalk through session creation, wallet payment, confirmation, webhook, and reconciliation.
No-code embedCustomize an embeddable multi-chain crypto checkout button with live modal preview and HTML/React snippets.
AI Agent QAExecute live JSON-RPC 2.0 tool calls against https://xpayr.com/api/mcp and inspect all 21 AI agent tools.
Agent guardrailsModel per-tx limits, daily caps, auto-approval thresholds, and chain whitelists for autonomous AI commerce agents.
License Kit QASimulate cryptographic wallet-bound software licenses for extensions, plugins, and SaaS with @xpayr/extension-kit (v0.2.0).
Treasury payoutsModel non-custodial multi-recipient payouts (10 to 5,000 wallets), gas savings, and JSON manifests for XPayr Payout Hub.
Zero chargebacksCalculate annual profit lost to card chargebacks, $15-$25 dispute fees, and rolling reserves vs XPayr 0.5% non-custodial finality.
XPayr · Built on Arc NetworkEstimate an Arc Testnet transaction budget in USDC using the gas inputs you provide. This XPayr tool is a planner, not a Mainnet quote.
XPayr · Built on Arc NetworkPlan a USDC route into or out of Arc Testnet, separate the bridge amount from the XPayr operation fee and continue to wallet-signed execution.
XPayr · Built on Arc NetworkPreview a same-chain stablecoin conversion, slippage budget and XPayr operation fee before requesting an executable quote.
@xpayr/mcp-serverAll form inputs on this tool automatically sync to the page URL query string for one-click team sharing or autonomous AI execution.