~/CLIRank

Best Databases & Backend APIs in 2026

Managed databases, backend-as-a-service, and vector database APIs. Store and query data without managing servers.

10 APIs across 6 subcategories

Backend-as-a-Service(2)

FreemiumBackend-as-a-Service
17.9M/wk

Supabase API

Open-source Firebase alternative with PostgreSQL, auth, and storage.

CLI
10
Quality
10
npm i @supabase/supabase-js
FreemiumBackend-as-a-Service
507k/wk

Convex API

Reactive backend with real-time queries and serverless functions.

CLI
9
Quality
7
npm i convex

Document Database(2)

FreemiumDocument Database
11.1M/wk

MongoDB Atlas Data API

Access MongoDB data via HTTPS endpoints without drivers.

CLI
9
Quality
9
npm i mongodb
FreemiumDocument Database
5.4k/wk

Fauna API

Distributed document-relational database with native GraphQL.

CLI
8
Quality
3
npm i fauna

Real-time Database(1)

FreemiumReal-time Database
6.4M/wk

Firebase Realtime Database

NoSQL cloud database with real-time sync across clients.

CLI
9
Quality
10
npm i firebase

Serverless Data(1)

FreemiumServerless Data
2.0M/wk

Upstash API

Serverless Redis, Kafka, and QStash for edge applications.

CLI
9
Quality
8
npm i @upstash/redis

Relational Database(2)

FreemiumRelational Database
1.3M/wk

Neon API

Serverless PostgreSQL with branching, autoscaling, and instant provisioning.

CLI
9
Quality
9
npm i @neondatabase/serverless
FreemiumRelational Database
212k/wk

PlanetScale API

Serverless MySQL platform with branching and non-blocking schema changes.

CLI
9
Quality
6
npm i @planetscale/database

Vector Database(2)

FreemiumVector Database
569k/wk

Pinecone API

Managed vector database for AI similarity search and RAG.

CLI
9
Quality
8
npm i @pinecone-database/pinecone
FreemiumVector Database
551k/wk

Weaviate API

Open-source vector database for semantic search and AI apps.

CLI
9
Quality
7
npm i weaviate-client

Browse other API categories

AI & Machine Learning

25 APIs · 9 subcategories

Developer Tools

23 APIs · 11 subcategories

Communication

16 APIs · 6 subcategories

Finance & Payments

16 APIs · 8 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

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

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

Vector Databases

6 APIs · 6 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