Weaviate API
weaviate.io
Open-source AI vector database that stores data objects and vector embeddings to power semantic search, hybrid search, RAG, and agent workflows, available self-hosted or as a managed cloud service.
The Weaviate API API uses api key authentication; has freemium pricing; offers a free tier (Always free tier: 1 cluster/user, 100,000 objects, 1 GB memory, 10 GB disk, 1 collection up to 3 tenants, Embeddings 2,000 req/day + Query Agent 1,000 req/mo); rate limits: Query Agent: 1,000 req/mo (Free), 30,000 req/mo (Flex), unlimited (Premium); Embeddings: 2,000 req/day (Free), usage-based on paid. Verified 2026-07-13 with per-field source links.
Base URL
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no sourceFree tier
Always free tier: 1 cluster/user, 100,000 objects, 1 GB memory, 10 GB disk, 1 collection up to 3 tenants, Embeddings 2,000 req/day + Query Agent 1,000 req/mo
weaviate.io ↗Pricing
Free ($0), Flex pay-as-you-go from $45/mo, Premium prepaid contract from $400/mo; usage-based vector-dimension and storage rates; Embeddings from $0.025/1M tokens; Query Agent $30/organization/mo for 4,000 requests
weaviate.io ↗Rate limits
Query Agent: 1,000 req/mo (Free), 30,000 req/mo (Flex), unlimited (Premium); Embeddings: 2,000 req/day (Free), usage-based on paid
weaviate.io ↗OpenAPI spec
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no sourceMCP server
Built-in MCP server (preview, from v1.37.1) enabled via MCP_SERVER_ENABLED=true, served at /v1/mcp on the REST API port
weaviate.io ↗