How to Integrate HTTP 402 Payment Required for Instant On-Chain Crypto Payments Using X402 HTTP Payment Protocol Innovations Payment Intents API Integration Real-Time Crypto Payment Solutions How to Integrate HTTP 402 Payment Required for Instant On-Chain Crypto Payments Using X402 Owen Callister October 24, 2025 The longstanding HTTP 402 Payment Required status code was an internet curiosity for decades. Now, with the... Read More Read more about How to Integrate HTTP 402 Payment Required for Instant On-Chain Crypto Payments Using X402