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Key takeaways:
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x402 enables pay-per-use functionality on the internet.
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The current momentum is infrastructure-led, driven by Coinbase and Cloudflare.
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PING was a catalyst, but the real story is protocol adoption, not the token.
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You can test it quickly by spinning up an endpoint and verifying the 402 → pay → grant flow.
X402 is a straightforward way to enable pay-per-use on the internet. When you access a paid application programming interface (API) or file, the server responds with the web’s built-in “402 Payment Required” message, specifying…
