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LlamaIndex API

LlamaIndex API provides developers with robust tools to parse, index, and query large datasets effectively using AI-powered pipelines, ideal for intelligent search applications.

Developed by LlamaIndex, Inc.

Live API
99.95%Uptime
300msLatency
1.2kStars
API KeyAuth
NoCredit Card
RESTStyle
v1Version
API Endpoints

Reference for available routes, request structures, and live examples.

Queries knowledge base using natural language

Full Endpoint URL
https://api.llamaindex.ai/query
Implementation Example
curl -X POST 'https://api.llamaindex.ai/query' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "query": "What's the capital of Australia?",
  "knowledge_base": "geography"
}
Expected Response
{
  "answer": "The capital of Australia is Canberra",
  "sources": [
    "https://en.wikipedia.org/wiki/Canberra"
  ],
  "confidence": 0.92
}
Version:v1
Limit:100 queries/hour
Real-World Applications
  • Building intelligent document search applicationsOptimized Capability
  • Creating automated workflows for invoice processingOptimized Capability
  • Developing chatbots that utilize proprietary dataOptimized Capability
  • Implementing smart search features in analytics applicationsOptimized Capability
Advantages
  • ✓ Supports multiple document types including PDFs and images
  • ✓ Embedding-based semantic search for relevant results
  • ✓ Easy integration via Python and TypeScript SDKs
  • ✓ Robust authentication and secure API key management
Limitations
  • ✗ Rate limiting may restrict high volume applications
  • ✗ Free tier has limited monthly credits
  • ✗ Some advanced features require paid plans
  • ✗ Latency can vary depending on dataset size

FAQs

API Specifications

v1
Pricing Model
Pay-as-you-go beyond free tier
Credit Card
Not Required
Response Formats
JSON
Supported Languages
5 Languages
SDK Support
Python, TypeScript
Time to Hello World

Minutes to a few hours depending on integration complexity

Rate Limit

60 requests per minute

Free Tier Usage

10,000 free credits per month with access to core API features

Use Case: Best For

Developers building AI-powered search and document processing applications

Not Recommended For

Applications requiring unlimited free usage or extremely low latency

Resources

Documentation Official Website Pricing Details Postman Collection
#data-framework#llm

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