Mexico Invoices (CFDI 4.0 factura electrónica)

Cancel (void) a stamped Mexico CFDI at SAT. SAT requires a cancellation motive code: 01 replaced-with-corrected, 02 issued-in-error-no-replacement (default), 03 transaction-did-not-happen, 04 related-to-global-invoice. Some cancellations need the buyer's acceptance — status stays pending until SAT resolves it.

Issue a Mexico CFDI 4.0 electronic invoice (factura electrónica, stamped/timbrada through a SAT-certified PAC). Two interchangeable PACs behind one tool (bring your own credentials as HTTP headers; this server stores nothing, and the CSD certificate stays in the merchant's own PAC account): (A) FACTURAPI — header x-facturapi-key (free sk_test_ from facturapi.io never reaches SAT; sk_live_ stamps real CFDIs). (B) FACTURAMA API-Web — headers x-facturama-user + x-facturama-password (your Facturama …

Check a Mexico CFDI invoice created by create_invoice. Status values: VALID (stamped and fiscally valid — uuid is the SAT folio fiscal), CANCELED (voided at SAT); cancellation_status pending means SAT is still processing a cancellation. Safe to call anytime.

Email the stamped CFDI (PDF + XML) to the buyer via the same PAC that issued it (Facturapi or Facturama). Uses the email stored on the invoice unless a different one is passed.