Agent-payable Monero & Zcash payment watching (view-key webhooks, historical scans, native XMR/ZEC top-ups) plus DeFi liquidation + Ethereum builder data. REST + MCP, paid per call via x402 USDC on Base — no account, no API key. Live at api.seneschal.space.
Local Razorpay webhook debugger with live inspection, forwarding, replay, and private payload history.
BillingWebhookKit: browser-only Lemon Squeezy payment webhook test workbench for fixtures, event coverage, HMAC signatures, idempotency, checkout smoke reports, and CI replay.
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