Best Vector Databases APIs in 2026

Browse the top Vector Databases APIs used by developers worldwide.

6 APIs across 6 subcategories

Managed Vector DB(1)

FreemiumManaged Vector DB

Pinecone

Managed vector database for similarity search and AI applications.

npm i @pinecone-database/pinecone

AI-native Vector DB(1)

FreemiumAI-native Vector DB

Weaviate

Open-source vector database with hybrid search, modules, and multi-tenancy.

npm i weaviate-client

Vector Search Engine(1)

FreemiumVector Search Engine

Qdrant

High-performance vector similarity search engine with filtering and payloads.

npm i @qdrant/js-client-rest

Embedding Database(1)

FreeEmbedding Database

Chroma

Open-source AI-native embedding database for building LLM applications.

npm i chromadb

Distributed Vector DB(1)

FreeDistributed Vector DB

Milvus

Open-source distributed vector database built for scalable similarity search.

npm i @zilliz/milvus2-sdk-node

Serverless Vector DB(1)

Pay-per-useServerless Vector DB

Turbopuffer

Serverless vector database with fast queries and cost-efficient storage.

npm i @turbopuffer/turbopuffer

Browse other API categories

AI & Machine Learning

22 APIs · 8 subcategories

Communication

16 APIs · 6 subcategories

Maps & Geolocation

15 APIs · 7 subcategories

Data & Information

15 APIs · 11 subcategories

Fintech & Banking

14 APIs · 6 subcategories

Payments & Commerce

13 APIs · 6 subcategories

Developer Tools

13 APIs · 10 subcategories

Authentication & Identity

12 APIs · 5 subcategories

Social Media

12 APIs · 7 subcategories

Shipping & Logistics

12 APIs · 6 subcategories

CRM & Marketing

12 APIs · 7 subcategories

Automation & Integration

12 APIs · 6 subcategories

Cloud & Infrastructure

11 APIs · 6 subcategories

Databases & Backend

10 APIs · 6 subcategories

CRM & Sales

10 APIs · 3 subcategories

Analytics & Monitoring

9 APIs · 5 subcategories

Media & Streaming

9 APIs · 6 subcategories

PDF & Document

8 APIs · 5 subcategories

Translation & NLP

8 APIs · 3 subcategories

Calendar & Scheduling

7 APIs · 2 subcategories

Project Management

7 APIs · 3 subcategories

Video & Media

7 APIs · 5 subcategories

Search & Data

6 APIs · 3 subcategories

Content Management

6 APIs · 3 subcategories

Realtime & WebSockets

6 APIs · 5 subcategories

Forms & Surveys

6 APIs · 2 subcategories

KYC & Identity

6 APIs · 1 subcategories

Feature Flags

6 APIs · 2 subcategories

Queue & Messaging

6 APIs · 6 subcategories

Image Processing

6 APIs · 5 subcategories

Customer Support

6 APIs · 3 subcategories

Logging & Observability

6 APIs · 4 subcategories

Subscription & Billing

6 APIs · 3 subcategories

Travel & Hospitality

5 APIs · 4 subcategories

Push Notifications

5 APIs · 3 subcategories

E-Signatures

5 APIs · 2 subcategories

CDN & Edge

5 APIs · 2 subcategories

DNS

5 APIs · 3 subcategories

Secrets Management

5 APIs · 4 subcategories

Tax & Compliance

5 APIs · 4 subcategories

SEO & Web Analytics

5 APIs · 3 subcategories

Blockchain & Crypto

5 APIs · 4 subcategories

HR & Payroll

5 APIs · 4 subcategories

Weather

4 APIs · 2 subcategories

News & Content

4 APIs · 3 subcategories

Security

3 APIs · 3 subcategories