Base MCP launched with native x402 support. APIbase has been x402-native on Base mainnet since May 1. The two pair side-by-side, zero code changes: base-mcp → wallet auth + EIP-3009 signing apibase → 618 paid API tools across 191 providers Your Base Account signs, our self-hosted facilitator settles. Pay $0.001 USDC for a stock quote from inside Claude. Full write-up — config, request flow, why we're a companion not a plugin, and FAQ: https://dev.to/whiteknightonhorse/pay-for-any-api-from-inside-claude-with-base-mcp-apibase-443o
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Base MCP launched with native x402 support. APIbase has been x402-native on Base mainnet since May 1. The two pair side-by-side, zero code changes: base-mcp → wallet auth + EIP-3009 signing apibase → 618 paid API tools across 191 providers Your Base Account signs, our self-hosted facilitator settles. Pay $0.001 USDC for a stock quote from inside Claude. Full write-up — config, request flow, why we're a companion not a plugin, and FAQ: https://dev.to/whiteknightonhorse/pay-for-any-api-from-inside-claude-with-base-mcp-apibase-443o
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Traced one $0.001 USDC payment through our MCP gateway end-to-end. After Base mainnet gas (~$0.0005), upstream API cost, and Postgres/Redis compute, real margin per call is about $0.0005. Half a cent. That's the whole business. Article breaks down all 4 cost buckets, the 5 pricing tiers across 618 tools, why cache-hits cost 10%, and what happens to the money when the upstream fails. Real production numbers, no hand-waving. https://dev.to/whiteknightonhorse/what-happens-to-the-0001-when-an-ai-agent-pays-for-an-api-call-389a
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