Troubleshooting
Why x402 payments fail: the common errors and how to fix them
Why x402 payments fail, stage by stage: the real error codes, what causes each one, and the concrete fix on both the client side and the server side.
· 9 min read
Articles on x402 and AI agent payments
How to charge AI agents for an API with HTTP 402, written for the developers doing it: setup guides for Laravel and Node, testing without real money, pricing, and what to do when payments fail.
New to the protocol? Start with What is x402? · RSS feed