> For the complete documentation index, see [llms.txt](https://docs.payments.thalescloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payments.thalescloud.io/classic-tokenization/es/referencia-de-la-api/api-de-la-pasarela-del-emisor.md).

# API de la pasarela del emisor

Utilice estos recursos para integrar su **backend del emisor** con el Servicio de Tokenización.

### Descargue las definiciones OpenAPI

Utilice estas definiciones OpenAPI (Swagger) para generar código cliente y validar solicitudes.

* [Salida (Servicio de Tokenización → backend del emisor)](https://openapi.gitbook.com/o/fwy1mtbRONGA2YDKDBr0/spec/TSH-outbound.yaml)
* [Entrada (backend del emisor → Servicio de Tokenización)](https://openapi.gitbook.com/o/fwy1mtbRONGA2YDKDBr0/spec/TSH-inbound.yaml)

### Documentación relacionada

* [Protocolo API](/classic-tokenization/es/comenzar/conceptos-basicos-de-la-api/protocolo-de-la-api.md)
* [Conectividad](/classic-tokenization/es/comenzar/conceptos-basicos-de-la-api/conectividad.md)
* [Cifrado de datos y seguridad](/classic-tokenization/es/comenzar/conceptos-basicos-de-la-api/cifrado-y-seguridad-de-datos.md)
* [Directrices de la API](/classic-tokenization/es/comenzar/conceptos-basicos-de-la-api/directrices-de-la-api.md)

### Referencia de la API para tarjetas cobadged

Si admite tarjetas cobadged, utilice la referencia dedicada:

* [Referencia de la API para tarjetas cobadged](/classic-tokenization/es/referencia-de-la-api-tarjetas-cobrand/referencia-de-la-api-tarjetas-cobrand.md)


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