Single shared entry point (one public URL for every PSP): tries each
registered adapter's signature verification until one succeeds, then parses
with that adapter. Convenient, but it relies on each PSP's signature check
being a reliable discriminator — prefer per-adapter endpoints when in doubt.
Single shared entry point (one public URL for every PSP): tries each registered adapter's signature verification until one succeeds, then parses with that adapter. Convenient, but it relies on each PSP's signature check being a reliable discriminator — prefer per-adapter endpoints when in doubt.