Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
Query the official SAT catalogs directly from the API: product keys, units, tax regimes, payment forms, and more.
| Catalog | Endpoint | Use in CFDI |
|---|---|---|
| Products and Services | GET /catalogs/ProductsOrServices | Items[].ProductCode |
| Units of Measure | GET /catalogs/Units | Items[].UnitCode |
| Postal Codes | GET /catalogs/PostalCodes | ExpeditionPlace, TaxZipCode |
| Currencies | GET /catalogs/Currencies | Currency |
| Payment Forms | GET /catalogs/PaymentForms | PaymentForm |
| Payment Methods | GET /catalogs/PaymentMethods | PaymentMethod |
| CFDI Types | GET /catalogs/CfdiTypes | CfdiType |
| Tax Regimes | GET /catalogs/FiscalRegimes | FiscalRegime |
| CFDI Uses | GET /catalogs/CfdiUses | CfdiUse |
| Federal Taxes | GET /catalogs/TaxFederals | Taxes[].Name |
| Relation Types | GET /catalogs/RelationTypes | Relations.Type |
| Addendas | GET /catalogs/Addendas | Addenda |
keyword parameter for filtering:
GET /api/catalogs/ProductsOrServices?keyword=software
GET /api/catalogs/Units?keyword=kilogramo
GET /api/catalogs/FiscalRegimes?keyword=sueldos
[
{
"Value": "81111500",
"Name": "Servicios de tecnología de información"
},
{
"Value": "81112100",
"Name": "Servicios de programación informática"
}
]
| Code | Regime |
|---|---|
601 | General de Ley Personas Morales |
603 | Personas Morales con Fines no Lucrativos |
605 | Sueldos y Salarios e Ingresos Asimilados a Salarios |
606 | Arrendamiento |
608 | Demás ingresos |
612 | Personas Físicas con Actividades Empresariales y Profesionales |
616 | Sin obligaciones fiscales |
621 | Incorporación Fiscal |
625 | Régimen de las Actividades Empresariales con ingresos a través de Plataformas Tecnológicas |
626 | Régimen Simplificado de Confianza (RESICO) |
| Code | Use | Applies to |
|---|---|---|
G01 | Adquisición de mercancias | PM and PF |
G03 | Gastos en general | PM and PF |
P01 | Por definir | PM and PF |
S01 | Sin efectos fiscales | PM and PF |
CP01 | Pagos | PM and PF |
D01 | Honorarios médicos, dentales y gastos hospitalarios | PF only |
I01 | Construcciones | PM and PF |
GET /api/catalogs/cartaporte/{catalogo}
| Catalog | Parameter |
|---|---|
| SCT permit types | TipoPermiso |
| Autotransport configuration | ConfigAutotransporte |
| Weight unit code | ClaveUnidadPeso |
| Packaging types | TipoEmbalaje |
| Stations | Estaciones |
| Hazardous material | MaterialPeligroso |