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Haystack API

Haystack API empowers developers to build and deploy AI-driven applications focused on retrieval-augmented generation, semantic search, and question answering.

Developed by deepset

Live API
99.90%Uptime
200msLatency
24.6kStars
No AuthAuth
NoCredit Card
RESTStyle
v1Version
API Endpoints

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

Extracts text and metadata from documents

Full Endpoint URL
https://haystack.deepset.ai/extract
Implementation Example
curl -X POST 'https://haystack.deepset.ai/extract' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "file": "binary_pdf_data",
  "params": {
    "clean": true
  }
}
Expected Response
{
  "meta": {
    "pages": 5,
    "author": "John Doe"
  },
  "content": "Lorem ipsum dolor sit amet..."
}
Version:v1
Limit:50 documents/hour
Real-World Applications
  • Building production-ready AI applications with semantic search capabilitiesOptimized Capability
  • Deploying modular RAG workflows for enterprise-scale knowledge managementOptimized Capability
  • Integrating conversational AI chatbots with advanced QA functionalitiesOptimized Capability
  • Creating full-stack AI solutions using large language models and vector databasesOptimized Capability
  • Embedding context-aware information retrieval in business workflowsOptimized Capability
Advantages
  • ✓ Open-source and community-driven with strong GitHub presence
  • ✓ Flexible configuration and easy deployment via CLI and REST API
  • ✓ Supports cutting-edge AI techniques like RAG and semantic search
  • ✓ No mandatory authentication simplifies rapid prototyping
Limitations
  • ✗ No built-in authentication could pose security risks in production
  • ✗ Limited official SDKs beyond Python requiring custom integrations
  • ✗ Rate limits are modest for very high-volume applications
  • ✗ Documentation could be more detailed on advanced pipeline customization

FAQs

API Specifications

v1
Pricing Model
Open-source with optional commercial enterprise support
Credit Card
Not Required
Response Formats
JSON
Supported Languages
5 Languages
SDK Support
Python
Time to Hello World

Less than 30 minutes to get a basic server and pipeline running

Rate Limit

1000 requests per minute

Free Tier Usage

Unlimited free usage with no authentication required; suitable for development and small deployments

Use Case: Best For

Enterprises and developers needing scalable AI semantic search and QA integrations

Not Recommended For

Applications requiring strict security or heavy commercial SLAs without added security layers

Resources

Documentation Official Website Pricing Details Postman Collection
#search#nlp

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