Freemium

Anthropic Claude API

Anthropic Claude API is an advanced AI language model designed to deliver high-quality natural language understanding and generation. It offers developers a powerful interface to build conversational agents, content generation tools, and other NLP applications. This API uses API Key authentication and supports scalable rate limits depending on subscription. It’s an AI-powered, freemium API suitable for use in global markets including India, the USA, and the UK.

2

Endpoints

0

Views

Jul 20, 2025

Last Checked

10,000 tokens/day

Rate Limit

API Endpoints

Generates human-like text completions using Claude model

Full URL

https://api.anthropic.com/v1/complete

Code Examples

curl -X POST 'https://api.anthropic.com/v1/complete' \
  -H 'Authorization: Bearer YOUR_API_KEY'

Parameters

{
  "model": "claude-2.1",
  "prompt": "\n\nHuman: Explain quantum computing\n\nAssistant:",
  "max_tokens_to_sample": 300
}

Example Response

{
  "model": "claude-2.1",
  "usage": {
    "input_tokens": 15,
    "output_tokens": 178
  },
  "completion": "Quantum computing uses quantum bits...",
  "stop_reason": "stop_sequence"
}

Version

v1

Rate Limit

100,000 tokens/day

Tags
aiconversational
Technical Details
Authentication
API Key
Response Formats
JSON
Availability
global
Status
Published
Rate Limits

10,000 tokens/day (free)

Supported Languages
PythonJavaScript
Use Cases
chatbots
research
https://www.anthropic.com/

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Anthropic Claude API – Advanced AI Language Model | FreeAPIHub