The set of agreements that makes data exchange between systems possible: messages, transport, security and feedback. The VB-PUO interface specifications are in the OpenAPI specification on GitHub.
Source: glossary of the VB-PUO manual (8.1 and 8.2), explanation by WTP Data Lab
Attribution. Source: SIVI – VB-PUO Standard. Schemas, attribute descriptions and code lists are taken unchanged from the VB-PUO Standard (owned by the Pensioenfederatie, managed by SIVI) and shown with their release and version. Explanations, examples, error descriptions and translations are by WTP Data Lab and are not part of the standard. GitHub Stichting-SIVI/VBPUOdsk · Manual · sivi.org