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.

Collections

Milvus REST API

OPEN

GraphQL

Milvus GraphQL API

Milvus is an open-source vector database built for scalable similarity search. The API covers collection and index management, data insertion, vector search with filtering, part...

GRAPHQL

Pricing Plans

Milvus Plans Pricing

1 plans

PLANS

Rate Limits

Milvus Rate Limits

1 limits

RATE LIMITS

FinOps

Milvus Finops

FINOPS

Resources

Sources

opencollection: 1.0.0
info:
  name: Milvus REST API
  version: 2.5.x
request:
  auth:
    type: bearer
    token: '{{bearerToken}}'
items:
- info:
    name: Collections
    type: folder
  items:
  - info:
      name: Create a collection
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/create
      body:
        type: json
        data: '{}'
    docs: Create a collection
  - info:
      name: Describe a collection
      type: http
    http:
      method: GET
      url: http://localhost:19530/v2/vectordb/collections/describe
      params:
      - name: collectionName
        value: ''
        type: query
    docs: Describe a collection
  - info:
      name: List collections
      type: http
    http:
      method: GET
      url: http://localhost:19530/v2/vectordb/collections/list
    docs: List collections
  - info:
      name: Drop a collection
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/drop
      body:
        type: json
        data: '{}'
    docs: Drop a collection
  - info:
      name: Load a collection into memory
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/load
      body:
        type: json
        data: '{}'
    docs: Load a collection into memory
  - info:
      name: Release a collection from memory
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/release
      body:
        type: json
        data: '{}'
    docs: Release a collection from memory
  - info:
      name: Rename a collection
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/rename
      body:
        type: json
        data: '{}'
    docs: Rename a collection
  - info:
      name: Flush collection data to storage
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/flush
      body:
        type: json
        data: '{}'
    docs: Flush collection data to storage
  - info:
      name: Compact a collection
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/compact
      body:
        type: json
        data: '{}'
    docs: Compact a collection
  - info:
      name: Alter collection properties
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/collections/alter-properties
      body:
        type: json
        data: '{}'
    docs: Alter collection properties
  - info:
      name: Get a collection's load state
      type: http
    http:
      method: GET
      url: http://localhost:19530/v2/vectordb/collections/get-load-state
      params:
      - name: collectionName
        value: ''
        type: query
    docs: Get a collection's load state
- info:
    name: Entities
    type: folder
  items:
  - info:
      name: Insert entities/vectors
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/entities/insert
      body:
        type: json
        data: '{}'
    docs: Insert entities/vectors
  - info:
      name: Upsert entities
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/entities/upsert
      body:
        type: json
        data: '{}'
    docs: Upsert entities
  - info:
      name: Delete entities
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/entities/delete
      body:
        type: json
        data: '{}'
    docs: Delete entities
  - info:
      name: Get entities by id
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/entities/get
      body:
        type: json
        data: '{}'
    docs: Get entities by id
  - info:
      name: Query entities with a scalar filter
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/entities/query
      body:
        type: json
        data: '{}'
    docs: Query entities with a scalar filter
  - info:
      name: Vector similarity search
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/entities/search
      body:
        type: json
        data: '{}'
    docs: Vector similarity search
  - info:
      name: Hybrid (multi-vector) search
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/entities/hybrid_search
      body:
        type: json
        data: '{}'
    docs: Hybrid (multi-vector) search
- info:
    name: Indexes
    type: folder
  items:
  - info:
      name: Create an index
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/indexes/create
      body:
        type: json
        data: '{}'
    docs: Create an index
  - info:
      name: Drop an index
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/indexes/drop
      body:
        type: json
        data: '{}'
    docs: Drop an index
  - info:
      name: List indexes for a collection
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/indexes/list
      body:
        type: json
        data: '{}'
    docs: List indexes for a collection
  - info:
      name: Describe an index
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/indexes/describe
      body:
        type: json
        data: '{}'
    docs: Describe an index
- info:
    name: Partitions
    type: folder
  items:
  - info:
      name: Create a partition
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/partitions/create
      body:
        type: json
        data: '{}'
    docs: Create a partition
  - info:
      name: Drop a partition
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/partitions/drop
      body:
        type: json
        data: '{}'
    docs: Drop a partition
  - info:
      name: List partitions for a collection
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/partitions/list
      body:
        type: json
        data: '{}'
    docs: List partitions for a collection
- info:
    name: Users
    type: folder
  items:
  - info:
      name: Create a user
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/users/create
      body:
        type: json
        data: '{}'
    docs: Create a user
  - info:
      name: List users
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/users/list
    docs: List users
- info:
    name: Roles
    type: folder
  items:
  - info:
      name: Create a role
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/roles/create
      body:
        type: json
        data: '{}'
    docs: Create a role
  - info:
      name: List roles
      type: http
    http:
      method: POST
      url: http://localhost:19530/v2/vectordb/roles/list
    docs: List roles
bundled: true