No fuss multi-index hybrid vector database / search engine

Meet our innovative vector search solution

SemaDB is a multi-index, multi-vector, document-based vector database / search engine. It is designed to offer a clear and easy-to-use JSON RESTful API.

It is fully open-source and packed with powerful search features such as hybrid search, filtered search, geo indexing and more.

Fully managed cloud hosting

Get started with SemaDB using our hosted solution via RapidAPI which comes with an easy-to-use RESTful API and an interactive playground.

  • Transparent billing

  • From 10k to 1 million vectors

  • Request examples

We can help

We specialise in helping clients unlock the potential of cutting-edge AI technologies like vector search, retrieval augmented generation (RAG), and machine learning. Whether you're looking to build a powerful semantic search engine, enhance your chatbot with accurate and contextually relevant responses, or develop custom AI models to gain valuable insights from your data, our team of experts is here to guide you.


Insert and search for points using a familiar JSON API. No custom clients or initialisation required. The entire API is documented online with examples and tutorials.

Pick your language

SemaDB doesn't require a custom client to interactive with. Instead the RESTful API can be used from any language you prefer with examples for each one for each endpoint.

Head over to RapidAPI to see working examples of how to use SemaDB with your favourite language.