Archive
The Archive provides access to all previously released API documentation versions, preserved for teams maintaining legacy integrations or reviewing historical behavior. Each version reflects the exact specifications, endpoints, and data models that were valid at the time of release. For new projects, please rely on the most recent documentation to ensure full feature support and compliance with current standards.
MNP API
This is an internal HORISEN document that serves as technical guidelines for implementing the HTTP MNP Query Service.
SMS API
Previously released versions of the HORISEN SMS HTTP(S) API, preserved for teams maintaining legacy integrations. For new projects, please use the current version linked from the Messaging section.