Free-tier search

Canopy API

Canopy API is an API service for retrieving Amazon product data, including product titles, descriptions, pricing, sales estimates, reviews, and search results. It exposes the data through REST, GraphQL, MCP, and Skills for LLMs, and includes documentation and example repositories for integration.

Exa

Exa provides a web search API, website crawler tools, and deep research endpoints for applications that need current web data. The product includes Search, Contents, Answer, and Websets, with API access through the dashboard and documentation for search, page contents, and structured outputs.

Weaviate

Weaviate is a vector database and AI database platform for building search, retrieval-augmented generation, and agentic AI applications. It supports hybrid search, vector search, multi-tenancy, embeddings, ranking, and auto-scaling through Weaviate Cloud or self-managed deployments.

Qdrant

Qdrant is a vector search engine and vector database for building AI retrieval systems. It supports dense and sparse hybrid search, metadata filtering, multivector retrieval, reranking, and real-time indexing through REST, gRPC, and official clients.

Meilisearch

Meilisearch is a search and retrieval platform that provides full-text search, semantic search, hybrid search, multi-modal search, federated search, vector storage, filtering, faceting, sorting, geose...

Chroma

Chroma is an open-source search infrastructure product for AI applications. It provides serverless search over vector, full-text, regex, sparse vector, and metadata indexes, with support for object-storage-backed storage and query-aware tiering.

Convex

Convex is a backend platform for building applications in TypeScript. It combines a reactive database, file storage, text search, vector search, auth, crons, webhooks, and Node.js actions in a single ...

histre

histre is an AI-powered knowledge system for individuals and teams that helps organize, find, collaborate on, and publish information. It captures research, ideas, bookmarks, notes, and team knowledge...

MongoDB

MongoDB is a modern data platform built for developers who need a flexible, scalable database foundation for cloud-native applications. It combines a document database with integrated capabilities for search, vector search, stream processing, analytics, and application services.

Anara is an AI workspace designed for scientists, students, and research teams who need to search, understand, organize, and write about scholarly material with greater speed and rigor. It brings toge...

Algolia

Algolia is an AI search and retrieval platform that helps businesses deliver fast, relevant discovery experiences across websites, apps, and internal tools.

Pinecone

Pinecone is a fully managed vector database platform built to help teams develop knowledgeable AI applications at production scale. It provides fast similarity search, hybrid retrieval, namespaces for data partitioning, and real-time indexing for dynamic datasets.