--- search: tags: - vaults - POST seo: description: >- Resolves the credential as a session… Reference for the POST /v1/vaults/{vault_id}/credentials/{credential_id}/check endpoint in the Subako Public API API. sidebar: label: Check a credential against its server badge: POST title: Check a credential against its server type: openapi-operation --- Resolves the credential as a session would, refreshing an OAuth one about to lapse, and sends its server an MCP `initialize` with it. A server that refuses an OAuth credential gets one refresh and one more try; refused again, or refused a refresh, the credential is marked `reconnect_required`. A credential already marked is not sent.