Milvus

Milvus is an Apache 2.0 open-source vector database. It exposes a versioned REST API alongside gRPC and language SDKs (Python, Go, Java, Node.js). Maintained by Zilliz; LF AI & Data Foundation graduated project.

2 APIs 0 Features

Vector DatabaseAIEmbeddingsOpen SourceCloud-Native

APIs

Milvus REST API v2

Milvus v2 REST API covers collections, partitions, vectors, search, query, indexes, and role/RBAC management. Authentication: Bearer token formed from `username:password` when a...

Milvus gRPC API

gRPC is the canonical, high-throughput interface to Milvus. The official SDKs are gRPC-based; the REST API is a thin wrapper for non-Go/Python/Java clients.

Resources

Sources

aid: milvus
url: https://raw.githubusercontent.com/api-evangelist/milvus/refs/heads/main/apis.yml
name: Milvus
x-type: opensource
description: >-
  Milvus is an Apache 2.0 open-source vector database. It exposes a versioned REST API
  alongside gRPC and language SDKs (Python, Go, Java, Node.js). Maintained by Zilliz;
  LF AI & Data Foundation graduated project.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - Vector Database
  - AI
  - Embeddings
  - Open Source
  - Cloud-Native
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
  - aid: milvus:milvus-rest-api-v2
    name: Milvus REST API v2
    humanURL: https://milvus.io/api-reference/restful/v2.5.x/About.md
    baseURL: http://{milvus_host}:19530/v2/vectordb
    tags:
      - REST
      - Collections
      - Vectors
      - Index
      - Partitions
    description: >-
      Milvus v2 REST API covers collections, partitions, vectors, search, query, indexes,
      and role/RBAC management. Authentication: Bearer token formed from
      `username:password` when auth is enabled (off by default in self-hosted dev).
    properties:
      - type: Documentation
        url: https://milvus.io/api-reference/restful/v2.5.x/About.md
      - type: Authentication
        url: https://milvus.io/api-reference/restful/v2.5.x/About.md
      - type: SDK
        title: Python (pymilvus)
        url: https://github.com/milvus-io/pymilvus
      - type: SDK
        title: Go (milvus-sdk-go)
        url: https://github.com/milvus-io/milvus-sdk-go
      - type: SDK
        title: Java (milvus-sdk-java)
        url: https://github.com/milvus-io/milvus-sdk-java
      - type: SDK
        title: Node.js (milvus-sdk-node)
        url: https://github.com/milvus-io/milvus-sdk-node
  - aid: milvus:milvus-grpc
    name: Milvus gRPC API
    humanURL: https://milvus.io/docs/grpc.md
    baseURL: grpc://{milvus_host}:19530
    tags:
      - gRPC
      - High Throughput
    description: >-
      gRPC is the canonical, high-throughput interface to Milvus. The official SDKs are
      gRPC-based; the REST API is a thin wrapper for non-Go/Python/Java clients.
    properties:
      - type: Documentation
        url: https://milvus.io/docs/
common:
  - type: Website
    url: https://milvus.io/
  - type: Portal
    url: https://milvus.io/docs/
  - type: SourceCode
    url: https://github.com/milvus-io/milvus
  - type: Foundation
    title: LF AI & Data
    url: https://lfaidata.foundation/projects/milvus/
  - type: CommercialOffering
    title: Zilliz Cloud
    url: https://zilliz.com/
  - type: Plans
    url: plans/milvus-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/milvus-rate-limits.yml
  - type: FinOps
    url: finops/milvus-finops.yml
maintainers:
  - FN: Kin Lane
    email: [email protected]