openapi: 3.1.0 info: title: Veeva Vault Authentication Metadata API version: '26.1' description: Minimal OpenAPI for the Veeva Vault Platform REST API covering authentication, session management, version discovery, VQL queries, MDL execution, metadata components, Direct Data files, and delegated sessions. x-generated-from: https://developer.veevavault.com/api/26.1/ x-generated-by: claude-crawl-2026-05-08 servers: - url: https://{vaultDNS}/api/{version} description: Vault REST API variables: vaultDNS: default: myvault.veevavault.com description: Customer Vault DNS hostname version: default: v26.1 description: API version security: - SessionId: [] tags: - name: Metadata paths: /: get: tags: - Metadata summary: Retrieve all supported versions of the Vault API responses: '200': description: Version list content: application/json: schema: type: object /metadata/components: get: tags: - Metadata summary: Retrieve metadata for all component types in the Vault responses: '200': description: Component metadata content: application/json: schema: type: object /metadata/components/{component_type}: get: tags: - Metadata summary: Retrieve metadata for a specific component type parameters: - name: component_type in: path required: true schema: type: string responses: '200': description: Component metadata content: application/json: schema: type: object components: securitySchemes: SessionId: type: apiKey in: header name: Authorization description: Vault Session ID returned by /auth, sent as the Authorization header.