> ## Documentation Index > Fetch the complete documentation index at: https://docs.case.dev/llms.txt > Use this file to discover all available pages before exploring further. # Create native Linc session > Creates a Daytona-backed native Linc session with scoped Case.dev credentials. This endpoint starts the sandbox actor only; messages and event replay use separate endpoints. ## OpenAPI ````yaml /openapi.json post /linc/v1/sessions openapi: 3.1.0 info: title: Case.dev API description: >- The AI-native platform for legal technology. Build smarter legal applications with our suite of AI-powered APIs. version: 1.0.0 contact: name: Case.dev Support email: support@casemark.com url: https://case.dev license: name: Proprietary url: https://case.dev/terms servers: - url: https://api.case.dev description: Production security: - bearerAuth: [] tags: - name: Vaults description: Secure document storage with semantic search and GraphRAG - name: Memory description: >- Persistent memory for AI agents with semantic search and 12 generic indexed tag fields - name: OCR description: Extract text from PDFs, images, and scanned documents - name: Voice description: Audio transcription and text-to-speech - name: LLMs description: Access 40+ language models through a unified API - name: Search description: Web search, AI answers, and deep research - name: Mail description: Managed inboxes for agent email workflows - name: Media description: Transcript retrieval and captioned media clip generation - name: Legal description: Legal research tools including citation verification - name: Privilege description: Privilege detection for e-discovery and litigation workflows - name: Compute description: Serverless GPU and CPU infrastructure - name: Format description: Document formatting and template rendering (MD/JSON to PDF/DOCX) - name: SuperDoc description: Document conversion and template automation - name: Webhooks description: Webhook endpoint management - name: System description: Public system metadata and discovery endpoints - name: Usage description: Usage reporting and webhook subscriptions - name: Database description: Serverless PostgreSQL databases with instant branching - name: Translation description: Language detection and translation for multilingual legal workflows - name: Skills description: Search and read legal AI skills for agents - name: Agents description: >- Create, manage, and execute AI agents with tool access, sandbox environments, and async run workflows - name: Matters description: Matter-native legal workspaces and orchestration primitives - name: Applications Projects description: Web application project management - name: Applications Deployments description: Web application deployment management - name: Applications Domains description: Custom domain configuration for applications - name: Applications Env Vars description: Environment variable management for applications paths: /linc/v1/sessions: post: tags: - Agents summary: Create native Linc session description: >- Creates a Daytona-backed native Linc session with scoped Case.dev credentials. This endpoint starts the sandbox actor only; messages and event replay use separate endpoints. operationId: createLincSessionV1 requestBody: required: false content: application/json: schema: type: object properties: title: type: string model: type: string nullable: true idleTimeoutMs: type: integer nullable: true vaultIds: type: array items: type: string nullable: true scopedApiKey: type: string nullable: true description: >- Optional caller-provided scoped Case.dev API key for the runtime. instructions: type: string nullable: true description: >- Privileged C3-only hidden app instructions to append to the sandbox AGENTS.md. skillSlugs: type: array items: type: string nullable: true description: >- Skills API slugs to install into the runtime sandbox before the native session starts. includeDocumentTemplates: type: boolean nullable: true description: >- When true, inject all active org document templates into the using-document-templates skill. documentTemplateSlugs: type: array items: type: string nullable: true description: >- Specific document template slugs to inject into the using-document-templates skill. responses: '200': description: Linc session created '202': description: >- Linc session is provisioning. When skillSlugs were requested, `skills` reports exactly what will be preinstalled into the sandbox (loaded) and which slugs did not resolve in the skills registry (missing). content: application/json: schema: type: object properties: id: type: string status: type: string skills: type: object nullable: true description: >- Present when skillSlugs were requested: the skill preinstall report. properties: requested: type: array items: type: string loaded: type: array items: type: object properties: slug: type: string source: type: string enum: - custom - curated fileCount: type: integer missing: type: array items: type: string '400': description: Invalid payload content: application/json: schema: type: object properties: statusCode: type: integer statusMessage: type: string message: type: string '401': description: Invalid API key content: application/json: schema: type: object properties: statusCode: type: integer statusMessage: type: string message: type: string '403': description: No agent access or Linc runtime disabled content: application/json: schema: type: object properties: statusCode: type: integer statusMessage: type: string message: type: string '404': description: Vault not found content: application/json: schema: type: object properties: statusCode: type: integer statusMessage: type: string message: type: string '422': description: >- None of the requested skillSlugs resolved in the skills registry (custom or curated) content: application/json: schema: type: object properties: statusCode: type: integer statusMessage: type: string message: type: string components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: API Key description: API key starting with `sk_case_` ````