Client libraries
Server middleware
Agent frameworks
Wallets that ship x402 support
See Wallet Compatibility for the canonical list of Stellar wallets that support Soroban auth-entry signing (the requirement for x402).Vetting a third-party integration
Before depending on any of the above in production:- Confirm it has been updated against the current facilitator minor version.
- Run the buyer quickstart or seller quickstart end-to-end using it.
- Check that its error handling maps to the standard rejection codes.