> ## Documentation Index > Fetch the complete documentation index at: https://docs.vectorshift.ai/llms.txt > Use this file to discover all available pages before exploring further. # Add data to a knowledge base ## OpenAPI ````yaml api-reference/knowledge-bases/knowledge_base.json POST /knowledge-base/{id}/index openapi: 3.0.0 info: title: Knowledge Base API version: 1.0.0 description: | API for managing knowledge bases and their documents. Authentication is required for all endpoints using Bearer token. Example: `Authorization: Bearer your-api-key-here` servers: - url: https://api.vectorshift.ai/v1 security: - BearerAuth: [] paths: /knowledge-base/{id}/index: post: tags: - Knowledge Base summary: Index documents in a knowledge base operationId: indexDocuments parameters: - name: id in: path required: true schema: type: string description: Knowledge base ID requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/IndexingRequestJSON' multipart/form-data: schema: $ref: '#/components/schemas/IndexingRequestMultipart' application/x-www-form-urlencoded: schema: $ref: '#/components/schemas/IndexingRequestForm' responses: '200': description: Document indexed successfully content: application/json: schema: type: object properties: status: type: string enum: - success - failed document_ids: type: array items: type: string '400': description: Invalid request content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - BearerAuth: [] components: schemas: IndexingRequestJSON: type: object properties: file_data: type: object properties: file: type: object required: - type - raw_bytes properties: type: type: string enum: - file raw_bytes: type: string format: base64 metadata: type: object properties: name: type: string path: type: string mime_type: type: string custom_metadata: type: object additionalProperties: true required: - file url_data: type: object required: - request - rescrape_frequency properties: request: type: object required: - url - recursive - return_type properties: url: type: string recursive: type: boolean return_type: type: string enum: - CHUNKS - CONTENT url_limit: type: integer ai_enhance_content: type: boolean apify_key: type: string rescrape_frequency: type: string wikipedia: type: string youtube: type: string arxiv: type: string config: type: object properties: index_tables: type: boolean default: false analyze_documents: type: boolean default: false enrichment_tasks: type: array items: type: string enum: - Vision - Oneshot - Summary - Spreadsheet file_processing_implementation: type: string enum: - Default - Textract - Unstructured - LlamaParse - Other default: Default chunk_size: type: integer chunk_overlap: type: integer apify_api_key: type: string oneOf: - required: - file_data - required: - url_data - required: - wikipedia - required: - youtube - required: - arxiv IndexingRequestMultipart: type: object oneOf: - required: - file_data properties: file_data: type: object properties: file: type: string format: binary custom_metadata: type: object additionalProperties: true required: - file - required: - url_data - required: - wikipedia - required: - youtube - required: - arxiv properties: file_data: type: object properties: file: type: string format: binary custom_metadata: type: object additionalProperties: true required: - file url_data: type: object required: - request - rescrape_frequency properties: request: type: object required: - url - recursive - return_type properties: url: type: string recursive: type: boolean return_type: type: string enum: - CHUNKS - CONTENT url_limit: type: integer ai_enhance_content: type: boolean apify_key: type: string rescrape_frequency: type: string wikipedia: type: string youtube: type: string arxiv: type: string config: type: object properties: index_tables: type: boolean default: false analyze_documents: type: boolean default: false enrichment_tasks: type: array items: type: string enum: - Vision - Oneshot - Summary - Spreadsheet file_processing_implementation: type: string enum: - Default - Textract - Unstructured - LlamaParse - Other default: Default chunk_size: type: integer chunk_overlap: type: integer apify_api_key: type: string IndexingRequestForm: type: object oneOf: - required: - file_data properties: file_data: type: object properties: file: type: object required: - type - raw_bytes properties: type: type: string enum: - file raw_bytes: type: string format: base64 metadata: type: object properties: name: type: string path: type: string mime_type: type: string custom_metadata: type: object additionalProperties: true required: - file - required: - url_data - required: - wikipedia - required: - youtube - required: - arxiv properties: file_data: type: object properties: file: type: string format: binary custom_metadata: type: object additionalProperties: true required: - file url_data: type: object required: - request - rescrape_frequency properties: request: type: object required: - url - recursive - return_type properties: url: type: string recursive: type: boolean return_type: type: string enum: - CHUNKS - CONTENT url_limit: type: integer ai_enhance_content: type: boolean apify_key: type: string rescrape_frequency: type: string wikipedia: type: string youtube: type: string arxiv: type: string config: type: object properties: index_tables: type: boolean default: false analyze_documents: type: boolean default: false enrichment_tasks: type: array items: type: string enum: - Vision - Oneshot - Summary - Spreadsheet file_processing_implementation: type: string enum: - Default - Textract - Unstructured - LlamaParse - Other default: Default chunk_size: type: integer chunk_overlap: type: integer apify_api_key: type: string ErrorResponse: type: object properties: status: type: string enum: - failed error: type: string required: - status - error securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: JWT description: Bearer token authentication using API key ````