Changelog
v1.0.0 — February 2026
Section titled “v1.0.0 — February 2026”Initial release of the RAG API.
Features
Section titled “Features”- Knowledge Base CRUD — Create, list, get, update, and delete knowledge bases
- Document Upload — Multipart file upload with 16 supported file types (9 Tier 1 parsed, 7 Tier 2 direct)
- Text Ingestion — Ingest raw text via JSON body, same pipeline as file uploads
- Document Replacement — Full re-process via PUT
- Search — Natural language search with Voyage AI embeddings + cross-encoder reranking
- Metadata Filtering — Filter search results by document metadata ($eq, $ne, $gt, $gte, $lt, $lte, $in, $nin)
- Chunk Listing — Inspect how documents were segmented, cursor-paginated
- Usage Tracking — Monitor pages processed and search queries consumed
- Rate Limiting — Per-plan rate limits with clear error responses
- SDKs — TypeScript and Python SDKs with full type coverage
Search Quality
Section titled “Search Quality”- Embedding model: Voyage AI voyage-4 (1024 dimensions)
- Reranking model: Voyage AI rerank-2.5
- Benchmark: nDCG@10 = 0.94 on SciFact dataset