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Version: 2.0

Vectara Documentation Changelog

August 2025

✨ New Features​

  • Add content about the Vectara Postman Collection (#487)
  • Add comprehensive documentation for new Vectara Python SDK (#471)

📝 Documentation Changes​

  • Add topic about how to delete an account (#486)
  • Add comprehensive documentation for new Vectara Python SDK (#471)

July 2025

✨ New Features​

  • Add documentation for the Vectara Admin Center, a centralized interface for managing on-premise and VPC deployments (#485)
  • New Consistency-Adjusted Index Capability in Open RAG Eval (#479)

📝 Documentation Changes​

  • Fix body request render in API Reference (#483)
  • Enhance API Reference usability with automated API key type badges (#481)
  • Add detailed mapping of endpoints to required API key types (#477)
  • Update Query History and Configure Queries sections, enhancing descriptions and screenshots (#476)
  • Enhance chatbot tutorial with production readiness guidance (#473)
  • Add guidance on using expected value formats with Intelligent Query Rewriting (#464)

🛠 Documentation Platform Updates​

  • Migrate codeblocks to use the new CodePanel plugin formatting (#482)
  • Enable syntax highlighting in CodePanel component (#478)

June 2025

✨ New Features​

  • Add Query-Aware Hallucination Detection and Correction to the Vectara Hallucination Corrector (#468)
  • Add new supported languages and enhancements with HHEM 2.3 (#467)

📝 Documentation Changes​

  • Enhance API Documentation with Production-Ready Examples for Query, Upload, Index, and Chat Endpoints (#472)
  • Refresh list of currently available generation presets (prompts) (#466)
  • Add tutorial about how to build a chatbot with the Chat API (#463)
  • Update screenshots for console updates (#452)

📋 Example Updates​

  • Enhance API Documentation with Production-Ready Examples for Query, Upload, Index, and Chat Endpoints (#472)

🛠 Documentation Platform Updates​

  • Create new CodePanel component for customizable code samples with language selection, annotations, and layout configuration (#470)

May 2025

✨ New Features​

  • Add documentation for the List Hallucination Correctors API (#453)
  • Add documentation for the tech preview of the Vectara Hallucination Corrector (#442)
  • Add documentation for Table Summarization with Custom Prompts (#436)

📚 API Changes​

  • Update the Correct Hallucinations endpoint in the API Reference (#456)
  • Add Hallucination Correctors endpoint to the API Reference (#454)

📝 Documentation Changes​

  • Improve API Reference description formatting (#460)
  • Update the Correct Hallucinations API Definition (#457)

📋 Example Updates​

  • Update Hallucination Corrector model example (#459)

🛠 Documentation Platform Updates​

  • Update Docusaurus configuration to show last date a topic was updated (#462)

April 2025

✨ New Features​

  • Add documentation for the Chat Completions API (#446)
  • Add documentation for the Evaluate Factual Consistency (HHEM) API (#445)
  • Add documentation for Mockingbird 2 (#439)
  • Add documentation to define a custom LLM configuration to use models from OpenAI, Anthropic, and Google (#437)

📚 API Changes​

  • Add the Evaluate Factual Consistency API and the Chat Completions API to the API Reference (#444)

📝 Documentation Changes​

  • Expand Authentication section with new guides on enterprise access patterns, organizational role scoping, and authorization workflows (#426)

🛠 Documentation Platform Updates​

  • Refine design of heading styles (#450)
  • Install Mermaid for creating diagrams (#443)
  • Update package.json with API documentation build script (#438)
  • Upgrade Docusaurus Platform from 2.4.3 to 3.7 (#422)

March 2025

✨ New Features​

  • Add documentation for the tech preview of the Expanded Encoder Management (#425)
  • Add documentation for the tech preview of the expanded LLM Management APIs (#420)
  • Add content for new integration between Vectara and Confluent (#414)

📚 API Changes​

  • Add List Table Extractors and Get OAuth Token to the API Reference (#430)
  • Add the Delete LLM API, Get LLM API, and Create Encoder API and Chunking Strategy to the API Reference (#423)

📝 Documentation Changes​

  • Update Encoder parameters (#433)
  • Clarify that filterable metadata fields are not encrypted (#427)
  • Update content and screenshots for the File Upload UI, the Documents UI, and the Query UI (#421)
  • Update model_parameters with new llm_name parameter in the advanced summarization options (#419)

📋 Example Updates​

  • Update Encoder examples (#431)

February 2025

✨ New Features​

  • Add documentation for the tech preview of Integrating External LLMs (#413)
  • Add documentation for the tech preview of Document Summarization (#412)
  • Add documentation for the tech preview of Intelligent Query Rewriting (#408)

📚 API Changes​

  • Add the Summarize Document API, Create LLM API, and Compute Corpus Size API to the API Reference (#417)

📝 Documentation Changes​

  • Update UI steps on how to reset or delete the corpus (#404)

January 2025

✨ New Features​

  • Updated to enable Typescript SDK (#393)
  • Update HHEM documentation for HHME-2.2 (#379)
  • Add documentation for the new Knee Reranking feature (#378)
  • Add new HHEM supported languages and some content enhancements (#352)

📚 API Changes​

  • Uploading JSON in API v2 (#394)

📝 Documentation Changes​

  • Improve Getting Started section layout (#396)
  • Uploading JSON in API v2 (#394)
  • Fix broken links in generative prompts (#391)
  • Fix encoder example with correct value (#388)
  • Add documentation changelog workflow (#385)
  • Fix OAuth2 URL and update screenshot (#384)
  • Add a dedicated changelog for documentation updates, API enhancements and bug fixes (#383)
  • Add HHEM 2.2 enhancements to Release Notes (#381)
  • Add new HHEM supported languages and some content enhancements (#352)

📋 Example Updates​

  • Fix encoder example with correct value (#388)

🗑 Deprecated​

  • Uploading JSON in API v2 (#394)

🛠 Documentation Platform Updates​

  • Update Doc Changelog workflow action (#386)

December 2024

✨ New Features​

  • Add documentation for the new Update and Replace Metadata API Definitions (#371)
  • Add documentation for the querying table data feature (#365)
  • Add query observability feature to docs (#362)
  • Add documentation for new chunking strategy parameter (#361)

📚 API Changes​

  • Add documentation for the new Update and Replace Metadata API Definitions (#371)
  • Add API Reference updates for the new tabular data extraction feature (#366)
  • Add documentation for the querying table data feature (#365)
  • Add query observability feature to docs (#362)

📝 Documentation Changes​

  • Improve information architecture of the Capabilities section and metadata content (#374)
  • Update table extract details (#370)
  • Update table_extraction_config parameter (#369)
  • Fix link to the table data blog in release notes (#368)
  • Userfn example supports traditional if statement (#367)
  • Add documentation for the querying table data feature (#365)
  • Add documentation for new chunking strategy parameter (#361)

📋 Example Updates​

  • Userfn example supports traditional if statement (#367)

🗑 Deprecated​

  • Add API v1 deprecation notices (#375)

November 2024

✨ New Features​

  • Add chunking strategy and update descriptions (#351)

📚 API Changes​

  • Add chunking strategy and update descriptions (#351)

📝 Documentation Changes​

  • Update how metadata structuring is handled in API v2 (#358)
  • Update descriptions for Pro and Enterprise (#356)
  • update fern.config.json and generators.yml to use latest version. (#355)
  • Enhance the list of Vectara demos and applications (#354)
  • Move Reranking subsection (#353)
  • Add chunking strategy and update descriptions (#351)

October 2024

✨ New Features​

  • Reflect product transition to free trial across documentation (#350)
  • Add new Integrations section that highlights community collaborations and partnerships (#346)

📚 API Changes​

  • Reflect product transition to free trial across documentation (#350)
  • updated introduction with proper links (#338)
  • Get number of documents and document parts (#332)
  • Add search cutoffs, null handing, and refresh API reference (#331)

📝 Documentation Changes​

  • Reflect product transition to free trial across documentation (#350)
  • Incorrect syntax in the null score usage chain example (#349)
  • Correct udf page misspelling. (#348)
  • Add new Integrations section that highlights community collaborations and partnerships (#346)
  • Update docs for handling filenames with non-ASCII characters in API v2 (#345)
  • Add Release Notes to the docs (#344)
  • Upgrade OpenAPI docs theme. (#340)
  • Add Video Tutorials section. (#334)
  • Get number of documents and document parts (#332)
  • Add search cutoffs, null handing, and refresh API reference (#331)
  • Update Chain Reranker topic about the array and examples (#330)

📋 Example Updates​

  • Incorrect syntax in the null score usage chain example (#349)
  • ✨ Add query snippet example (#342)
  • Update Chain Reranker topic about the array and examples (#330)

September 2024

✨ New Features​

  • Add Chain Reranker content (#320)

📚 API Changes​

  • Add request timeouts in docs (#326)
  • Update corpus API documentation (#324)
  • Add Chain Reranker content (#320)
  • Add Generation Presets content to docs (#318)

📝 Documentation Changes​

  • Update corpus API documentation (#324)
  • Add more UDF examples (#323)
  • Update Quick Start (#322)
  • Add name and description to Update Corpus (#319)
  • Add Generation Presets content to docs (#318)
  • Update metadata filter topics (#312)
  • Update prompt syntax (#283)
  • Update custom prompt topics with Query endpoint details and links (#276)

📋 Example Updates​

  • Add more UDF examples (#323)

August 2024

✨ New Features​

  • Add User Defined Functions Reranker content (#314)

📚 API Changes​

  • Update query order and labels (#310)

📝 Documentation Changes​

  • Improve grpc example for UDF (#317)
  • Add User Defined Functions Reranker content (#314)
  • Update introductions to topics in Getting Started and Capabilities (#313)
  • Update query order and labels (#310)

📋 Example Updates​

  • Improve grpc example for UDF (#317)

July 2024

✨ New Features​

  • Add and update topics for Mockingbird (#308)
  • Add GPT 4o to list of summarizers (#303)

📚 API Changes​

  • Wrap tabs in API reference so they don't get clipped. (#301)

📝 Documentation Changes​

  • Add note about original BM25 (#309)
  • Update corpus key and file upload content (#306)
  • Wrap tabs in API reference so they don't get clipped. (#301)
  • Fix typos and update screenshots (#299)
  • Update part.is_title field description (#216)

📋 Example Updates​

  • Update part.is_title field description (#216)

June 2024

✨ New Features​

  • Add new REST API v2 specifications to the documentation (#250)

📚 API Changes​

  • Rename API Playground references to API Reference. (#295)
  • Update API v2 migration guide (#294)
  • Put generation_end into the reference. (#291)
  • Re-enable accordion transition in API playground, to fix bug in which content height wasn't updated correctly (#287)

📝 Documentation Changes​

  • Fix oauth examples. (#300)
  • Update API v2 download URL (#298)
  • Fix typos in spec. (#296)
  • Rename API Playground references to API Reference. (#295)
  • Change nav from API Playground -> API Reference. (#293)
  • Fix tips in query endpoint (#288)
  • Re-enable accordion transition in API playground, to fix bug in which content height wasn't updated correctly (#287)
  • Fix link to Reranking blog (#286)
  • Add new REST API v2 specifications to the documentation (#250)

📋 Example Updates​

  • Fix oauth examples. (#300)

May 2024

✨ New Features​

  • Update Reranker topic with the new Vectara Multilingual Reranker v1 (#281)
  • Add citation summary feature content (#277)

📝 Documentation Changes​

  • Fix query body request (#285)
  • Point ReactSearch to updated reranker (#280)
  • Update citation section (#279)
  • Fix reranking link (#278)
  • Add examples for functions and operations (#275)
  • Add summarized search (#274)
  • Update Information Architecture with new sections for Capabilities and Use Cases (#259)

April 2024

✨ New Features​

  • Add docs for stream concatenation, React-Chatbot, and Stream-Query-Client (#260)
  • Add Stream Query to the API Playground (#257)
  • Add new Stream Query API Definition content (#256)

📚 API Changes​

  • Improve List Conversations API parameter descriptions (#266)
  • Improve prompt examples in query, and update the enable api key and file upload endpoints (#265)
  • Update prompts to use single-quote in examples (#264)
  • Update Create Corpus default example (#262)
  • Fix values in the query body endpoint (#258)
  • Add Stream Query to the API Playground (#257)

📝 Documentation Changes​

  • Improve List Conversations API parameter descriptions (#266)
  • Improve prompt examples in query, and update the enable api key and file upload endpoints (#265)
  • Add context configuration to Query and Highlighting topics (#261)
  • Fix values in the query body endpoint (#258)

📋 Example Updates​

  • Improve prompt examples in query, and update the enable api key and file upload endpoints (#265)
  • Update prompts to use single-quote in examples (#264)
  • Update Create Corpus default example (#262)
  • Add context configuration to Query and Highlighting topics (#261)
  • Fix values in the query body endpoint (#258)

March 2024

✨ New Features​

  • Update the API Playground with Factual Consistency Score (#254)
  • Add content about the new Factual Consistency Score (#252)

📚 API Changes​

  • Update Playground example for FCS (#255)
  • Update the API Playground with Factual Consistency Score (#254)
  • Update API References examples for Query, Indexing, and API Keys (#251)
  • Update Query example in API Playground (#247)
  • Update API Reference examples for consistency (#240)

📝 Documentation Changes​

  • Update file formats and document structuring (#253)
  • Update API Reference examples for consistency (#240)
  • Update Chat APIs overview (#237)
  • Update API Reference section with improved structure and flow (#231)
  • Add Content-Disposition header to set the Document ID (#214)

📋 Example Updates​

  • Update Playground example for FCS (#255)
  • Update file formats and document structuring (#253)
  • Add content about the new Factual Consistency Score (#252)
  • Update API References examples for Query, Indexing, and API Keys (#251)
  • Update Query example in API Playground (#247)
  • Update API Reference examples for consistency (#240)
  • Add Content-Disposition header to set the Document ID (#214)

February 2024

✨ New Features​

  • Add Generative Prompts section (#238)
  • Add documentation for the new Vectara Chat (#235)
  • Add documentation for the Personal API Key, Index, and Query Keys (#233)

📚 API Changes​

  • Add custom prompts to Query (#239)
  • Update the API Playground for Chat APIs (#236)
  • Add documentation for the new Vectara Chat (#235)
  • Update API Playground for the Personal API Keys (#234)

📝 Documentation Changes​

  • Add Generative Prompts section (#238)
  • Update the API Playground for Chat APIs (#236)
  • Add documentation for the Personal API Key, Index, and Query Keys (#233)
  • Update console and corpus content around account and corpus creation (#224)

📋 Example Updates​

  • Add custom prompts to Query (#239)
  • Add documentation for the new Vectara Chat (#235)

January 2024

✨ New Features​

  • Add Create-UI and refine copy and layout of Build Apps landing page (#230)
  • Add Get Usage Metrics to API Playground (#226)
  • Add List Documents content to Console and API Reference (#218)
  • Add Account and Corpus Management APIs to Playground (#217)
  • Add Read Corpus and Update Corpus Enablement topics (#211)

📚 API Changes​

  • Add Get Usage Metrics to API Playground (#226)
  • Update File Upload API specs (#220)
  • Add List Documents to API Playground (#219)
  • Add List Documents content to Console and API Reference (#218)
  • Add Account and Corpus Management APIs to Playground (#217)
  • Add Read Corpus and Update Corpus Enablement topics (#211)

📝 Documentation Changes​

  • Add Create-UI and refine copy and layout of Build Apps landing page (#230)
  • Add Build Applications section (#229)
  • Update banner with Airbyte partnership information (#225)
  • Update File Upload API specs (#220)
  • Fix reranker URL and update search topic with new formatting (#213)
  • Improve the Index API Definition content (#208)

📋 Example Updates​

  • Update List Documents response example (#221)
  • Add Read Corpus and Update Corpus Enablement topics (#211)

December 2023

✨ New Features​

  • Add Manager User and List Users to API Playground (#206)
  • Add List Users and Manage Users topics (#204)
  • create, delete, enable, list API keys (#201)

📝 Documentation Changes​

  • Fix Q&A redirect (#209)
  • Indexing documentation is out of date. (#205)
  • Migrate from data store term to corpus. (#203)
  • Add API Keys topics to API Reference (#195)
  • Improve Information Architecture and update several examples (#193)
  • Add MMR to the Reranking topic (#191)
  • Add content about Data Ingestion (#188)
  • Add content about the Index Request Headers (#187)
  • Updated content about the English and MMR rerankers (#185)

📋 Example Updates​

  • Improve Information Architecture and update several examples (#193)

🛠 Documentation Platform Updates​

  • Support deep-linking to a search. (#200)
  • Support search on narrower screens (e.g. mobile) (#197)

November 2023

✨ New Features​

  • Add update filter attributes and list jobs to the OpenAPI spec (#176)

📝 Documentation Changes​

  • Update banner for the new metadata filtering capability (#182)
  • Add update filter attributes and list jobs to the OpenAPI spec (#176)
  • Add content about structuring document data (#155)
  • Update Code Samples with specific category for Query Operations (#151)
  • Update Quick Start with steps, field names, and screenshots (#149)
  • Add the grpc-timeout option in header to several topics (#148)

📋 Example Updates​

  • Update Code Samples with specific category for Query Operations (#151)

🛠 Documentation Platform Updates​

  • Customize Not Found page. (#184)
  • Make search more prominent. (#183)
  • Add a console button to the navigation bar (#168)
  • Update search with Ctrl-K shortcut. (#164)
  • Ensure rendering a single instance of search (#163)
  • Fix rendering of API Playground code in dark mode. (#159)
  • Add TopicButton, Grid, and Spacer components. (#147)