Google tells you what exists. Faceabot tells you what holds up.
XRechnung, Factur-X, Peppol, PINT AE, FatturaPA, KSeF → JSON + fix hints. Hosted; MIT=examples only
MCP endpoint :https://invoicein-api.peculiar.systems/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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