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RADIAN API
To send RADIAN events related to an electronic invoice, we must make sure that this electronic invoice is a negotiable instrument.
How to know if an electronic invoice is a negotiable instrument?
The electronic invoice must meet the following conditions:
To find out whether these events exist for an electronic invoice, consult the Query events - DocumentGetEvents method.
Available events
Once the electronic invoice has become a negotiable instrument, the corresponding RADIAN events can be sent:
ChangeDocumentStatusSynchronousFor companies that issue with GosocketSendEventToAuthoritySynchronousFor companies that do not issue with GosocketBelow is the flow of the events related to endorsing an electronic invoice negotiable instrument:

Related resources
In addition to this reference, the portal publishes a collection of request/response examples per RADIAN event (registration, endorsements, cancellations, payments and more), designed to be imported into Postman and tested against the sandbox environment. Start with 036 Inscripción and browse the remaining events from its sidebar.