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In this article:

  • HTTP request
  • Path parameters
  • Body parameters
  • CreateVectorStoreFileRequest
  • AutoChunkingStrategyRequestParam
  • StaticChunkingStrategyRequestParam
  • StaticChunkingStrategy
  • Response
  • FileCounts
  1. API references
  2. OpenAI-compatible APIs
  3. Vector stores
  4. createVectorStoreFileBatch

REST: Create vector store file batch

Written by
Yandex Cloud
Updated at December 30, 2025
  • HTTP request
  • Path parameters
  • Body parameters
  • CreateVectorStoreFileRequest
  • AutoChunkingStrategyRequestParam
  • StaticChunkingStrategyRequestParam
  • StaticChunkingStrategy
  • Response
  • FileCounts

Create a vector store file batch.

HTTP requestHTTP request

POST https://ai.api.cloud.yandex.net/v1/vector_stores/{vector_store_id}/file_batches

Path parametersPath parameters

Field

Description

vector_store_id

string

Required field. The ID of the vector store for which to create a File Batch.

Body parametersBody parameters

Request schema: application/json

{
  "file_ids": [
    "string"
  ],
  "files": [
    {
      "file_id": "string",
      "chunking_strategy": {
        "<anyOf>": [
          {
            "description": "string",
            "name": "string",
            "parameters": "object"
          },
          {
            "type": "string",
            "static": {
              "max_chunk_size_tokens": "integer",
              "chunk_overlap_tokens": "integer"
            }
          }
        ]
      },
      "attributes": "unknown"
    }
  ],
  "chunking_strategy": {
    "<anyOf>": [
      {
        "description": "string",
        "name": "string",
        "parameters": "object"
      },
      {
        "type": "string",
        "static": {
          "max_chunk_size_tokens": "integer",
          "chunk_overlap_tokens": "integer"
        }
      }
    ]
  },
  "attributes": "unknown"
}

Field

Description

file_ids[]

string

files[]

CreateVectorStoreFileRequest

Required field.

chunking_strategy

Any of AutoChunkingStrategyRequestParam | StaticChunkingStrategyRequestParam

attributes

Any of object (map<string, string>) | null

CreateVectorStoreFileRequestCreateVectorStoreFileRequest

Field

Description

file_id

string

Required field. A file ID that the vector store should use. Useful for tools like file_search that can access files.

chunking_strategy

Any of AutoChunkingStrategyRequestParam | StaticChunkingStrategyRequestParam

attributes

Any of object (map<string, string>) | null

AutoChunkingStrategyRequestParamAutoChunkingStrategyRequestParam

Schema reference for server-to-client Realtime events. Servers emit JSON messages where the type field selects the event schema.

Field

Description

description

string

A description of what the function does, used by the model to choose when and how to call the function.

name

string

Required field. The name of the function to be called. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with a maximum length of 64.

parameters

object

The parameters the functions accepts, described as a JSON Schema object.

StaticChunkingStrategyRequestParamStaticChunkingStrategyRequestParam

Customize your own chunking strategy by setting chunk size and chunk overlap.

Field

Description

type

enum

Required field. Always static.

  • static

static

StaticChunkingStrategy

Required field.

StaticChunkingStrategyStaticChunkingStrategy

Field

Description

max_chunk_size_tokens

integer

Required field. The maximum number of tokens in each chunk. The default value is 800. The minimum value is 100 and the maximum value is 4096.

chunk_overlap_tokens

integer

Required field. The number of tokens that overlap between chunks. The default value is 400. Note that the overlap must not exceed half of max_chunk_size_tokens.

ResponseResponse

HTTP Code: 200

OK

Response schema: application/json

{
  "id": "string",
  "object": "string",
  "created_at": "integer",
  "vector_store_id": "string",
  "status": "string",
  "file_counts": {
    "in_progress": "integer",
    "completed": "integer",
    "failed": "integer",
    "cancelled": "integer",
    "total": "integer"
  }
}

A batch of files attached to a vector store.

Field

Description

id

string

Required field. The identifier, which can be referenced in API endpoints.

object

enum

Required field. The object type, which is always vector_store.file_batch.

  • vector_store.files_batch

created_at

integer

Required field. The Unix timestamp (in seconds) for when the vector store files batch was created.

vector_store_id

string

Required field. The ID of the vector store that the file is attached to.

status

enum

Required field. The status of the vector store files batch, which can be either in_progress, completed, cancelled or failed.

  • in_progress
  • completed
  • cancelled
  • failed

file_counts

FileCounts

Required field.

FileCountsFileCounts

Field

Description

in_progress

integer

Required field. The number of files that are currently being processed.

completed

integer

Required field. The number of files that have been processed.

failed

integer

Required field. The number of files that have failed to process.

cancelled

integer

Required field. The number of files that where cancelled.

total

integer

Required field. The total number of files.

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