AI Agent Ships a Pay-Per-Use Irish Rent MCP API
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On October 5, 2026, a postmortem-style writeup on DEV Community described a pay-per-use Irish rent HTTP API that was built and shipped by an AI agent. The API uses tiered pricing: county-level rent data is free, town and Dublin postal-district rents cost $0.02 per request, and housing-price comparisons cost $0.05 each, settled in USDC. Unpaid requests return HTTP 402, and the response carries two payment challenges at once—x402 based on USDC on Base, and Tempo's MPP—so the same route can support both payment methods. The author documented the pitfalls hit while combining x402, MPP, and MCP. The API is live now, and the article didn't disclose call volume, revenue, or plans for future iterations.
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- DEV Community · MCPBuilding a Pay-Per-Use Irish Rent API for an AI Agent: Notes from the Trenches on x402 + MPP + MCP
An AI agent shipped a pay-per-use HTTP API for Irish rents: county-level rents are free, town and Dublin postal-code rents cost $0.02, and housing price comparisons cost $0.05, all settled in USDC. Unpaid requests get an HTTP 402 back, along with two payment challenges—x402 (USDC on Base) and MPP (Tempo)—both supported on the same route.
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