> ## Documentation Index > Fetch the complete documentation index at: https://docs.langchain.com/llms.txt > Use this file to discover all available pages before exploring further. # Create Run Batch > Create a batch of runs and return immediately. ## OpenAPI ````yaml /langsmith/agent-server-openapi.json post /runs/batch openapi: 3.1.0 info: title: LangSmith Deployment version: 0.1.0 servers: [] security: [] tags: - name: Assistants description: An assistant is a configured instance of a graph. - name: Threads description: A thread contains the accumulated outputs of a group of runs. - name: Thread Runs description: >- A run is an invocation of a graph / assistant on a thread. It updates the state of the thread. - name: Stateless Runs description: >- A run is an invocation of a graph / assistant, with no state or memory persistence. - name: Crons description: >- A cron is a periodic run that recurs on a given schedule. The repeats can be isolated, or share state in a thread - name: Store description: >- Store is an API for managing persistent key-value store (long-term memory) that is available from any thread. - name: A2A description: >- Agent-to-Agent Protocol related endpoints for exposing assistants as A2A-compliant agents. - name: MCP description: >- Model Context Protocol related endpoints for exposing an agent as an MCP server. - name: System description: System endpoints for health checks, metrics, and server information. paths: /runs/batch: post: tags: - Stateless Runs summary: Create Run Batch description: Create a batch of runs and return immediately. operationId: run_batch_stateless_runs_post requestBody: content: application/json: schema: $ref: '#/components/schemas/RunBatchCreate' required: true responses: '200': description: Success content: application/json: schema: {} '404': description: Not Found content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '409': description: Conflict content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' components: schemas: RunBatchCreate: type: array items: $ref: '#/components/schemas/RunCreateStateless' minItems: 1 title: RunBatchCreate description: Payload for creating a batch of runs. ErrorResponse: type: object required: - detail properties: detail: type: string description: Human-readable error message title: ErrorResponse description: Error response returned from the server RunCreateStateless: properties: assistant_id: anyOf: - type: string format: uuid title: Assistant Id - type: string title: Graph Id description: >- The assistant ID or graph name to run. If using graph name, will default to first assistant created from that graph. input: anyOf: - type: object - type: array - type: string - type: number - type: boolean - type: 'null' title: Input description: The input to the graph. command: anyOf: - $ref: '#/components/schemas/Command' - type: 'null' title: Input description: The input to the graph. metadata: type: object title: Metadata description: Metadata to assign to the run. config: properties: tags: items: type: string type: array title: Tags recursion_limit: type: integer title: Recursion Limit configurable: type: object title: Configurable type: object title: Config description: The configuration for the assistant. context: type: object title: Context description: Static context added to the assistant. webhook: type: string maxLength: 65536 minLength: 1 format: uri-reference title: Webhook description: Webhook to call after LangGraph API call is done. stream_mode: anyOf: - items: type: string enum: - values - messages - messages-tuple - tasks - checkpoints - updates - events - debug - custom type: array - type: string enum: - values - messages - messages-tuple - tasks - checkpoints - updates - events - debug - custom title: Stream Mode description: The stream mode(s) to use. default: - values feedback_keys: items: type: string type: array title: Feedback Keys description: >- Generate pre-signed URLs for assigning feedback keys to the run. For each key specified, a unique URL will be generated that can be called to assign the feedback key to the run. See [LangSmith Feedback](https://docs.langchain.com/langsmith/observability-concepts#feedback) for more details. stream_subgraphs: type: boolean title: Stream Subgraphs description: Whether to stream output from subgraphs. default: false stream_resumable: type: boolean title: Stream Resumable description: >- Whether to persist the stream chunks in order to resume the stream later. default: false on_completion: type: string enum: - delete - keep title: On Completion description: >- Whether to delete or keep the thread created for a stateless run. Must be one of 'delete' or 'keep'. default: delete after_seconds: type: number title: After Seconds description: >- The number of seconds to wait before starting the run. Use to schedule future runs. checkpoint_during: type: boolean title: Checkpoint During description: >- Whether to checkpoint during the run. Deprecated. Use `durability` instead to control checkpoint persistence behavior during the run. deprecated: true default: false durability: type: string enum: - sync - async - exit title: Durability description: >- Durability level for the run. Must be one of `sync`, `async`, or `exit`. See [durability modes](https://docs.langchain.com/oss/python/langgraph/durable-execution#durability-modes) for more details. default: async type: object required: - assistant_id title: RunCreateStateless description: Payload for creating a run. Command: type: object title: Command description: The command to run. properties: update: type: - object - array - 'null' title: Update description: An update to the state. resume: type: - object - array - number - string - boolean - 'null' title: Resume description: A value to pass to an interrupted node. goto: anyOf: - $ref: '#/components/schemas/Send' - type: array items: $ref: '#/components/schemas/Send' - type: string - items: type: string type: array - type: 'null' title: Goto description: >- Name of the node(s) to navigate to next or node(s) to be executed with a provided input. Send: type: object title: Send description: A message to send to a node. properties: node: type: string title: Node description: The node to send the message to. input: type: - object - array - number - string - boolean - 'null' title: Message description: The message to send. required: - node - input ````