HTTP Payment Protocol Innovations

Comparing X402 vs /.well-known/payto: In-Band vs Out-of-Band Crypto Payment Discovery

Comparing X402 vs /.well-known/payto: In-Band vs Out-of-Band Crypto Payment Discovery

Comparing X402 vs /.well-known/payto: In-Band vs Out-of-Band Crypto Payment Discovery

Blu September 20, 2025

As digital commerce evolves, the mechanisms for discovering and executing crypto payments are undergoing rapid transformation. Two...

X402 Payment Intents for Machine-to-Machine (M2M) Crypto Payments: Protocol Design and Use Cases

X402 Payment Intents for Machine-to-Machine (M2M) Crypto Payments: Protocol Design and Use Cases

X402 Payment Intents for Machine-to-Machine (M2M) Crypto Payments: Protocol Design and Use Cases

Blu September 20, 2025

The rise of X402 M2M payments is reshaping how autonomous agents, IoT devices, and AI services transact...

HTTP 402 Payment Required: The Resurgence and Future of In-Band Crypto Payments

HTTP 402 Payment Required: The Resurgence and Future of In-Band Crypto Payments

HTTP 402 Payment Required: The Resurgence and Future of In-Band Crypto Payments

Blu September 20, 2025

The internet was built on open protocols, but payments have always been an awkward fit. For decades,...