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Anthropic Claude API

The Anthropic Claude API offers developers free access to a powerful AI language model for natural language understanding and generation, suitable for various NLP applications.

Developed by Anthropic

View Source
99.90%Uptime
900msLatency
150Stars
API KeyAuth
NoCredit Card
RESTStyle
v1Version
API Endpoints

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

Generates human-like text completions using Claude model

Full Endpoint URL
https://api.anthropic.com/complete
Implementation Example
curl -X POST 'https://api.anthropic.com/complete' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "model": "claude-2.1",
  "prompt": "\n\nHuman: Explain quantum computing\n\nAssistant:",
  "max_tokens_to_sample": 300
}
Expected Response
{
  "model": "claude-2.1",
  "usage": {
    "input_tokens": 15,
    "output_tokens": 178
  },
  "completion": "Quantum computing uses quantum bits...",
  "stop_reason": "stop_sequence"
}
Version:v1
Limit:100,000 tokens/day

Real-World Applications
  • Building AI chatbotsOptimized Capability
  • Automated customer supportOptimized Capability
  • Content generation and summarizationOptimized Capability
  • Virtual assistantsOptimized Capability
  • Language translationOptimized Capability
Advantages
  • ✓ Easy-to-use RESTful interface
  • ✓ Comprehensive official documentation
  • ✓ High uptime and reliability
  • ✓ Scalable for enterprise use
  • ✓ Broad geographical coverage
Limitations
  • ✗ No open-source backend
  • ✗ May not support some niche languages
  • ✗ Usage subject to rate limits
  • ✗ Premium plans required for high volume
  • ✗ No offline support

FAQs

API Specifications

v1
Pricing Model
Freemium with pay-as-you-go for additional usage
Credit Card
Not Required
Response Formats
JSON
Supported Languages
8 Languages
SDK Support
Python, Node.js, Java
Time to Hello World

5-10 minutes

Rate Limit

Up to 100 requests per minute for paid plans

Free Tier Usage

Includes 10,000 tokens per month at no cost

Use Case: Best For

Developers and businesses building conversational AI tools, chatbots, and NLP applications at scale.

Not Recommended For

Projects requiring open-source or on-premise deployment, high volume free usage, or custom model training.

Resources

Documentation Official Website Source Code Pricing Details Postman Collection
#conversational#ai

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