AI Summarization API docs
Summarize articles, documents, or any text using state-of-the-art NLP models. Supports extractive and abstractive modes.
Authentication
All AI Summarization API requests authenticate via two headers. Get your API key from your RapidAPI dashboard after subscribing on the Basic (free) tier or higher.
X-RapidAPI-Key: YOUR_API_KEY X-RapidAPI-Host: ai-summarization-by-helix-api.p.rapidapi.com
Base URL
https://ai-summarization-by-helix-api.p.rapidapi.com
Endpoints
POST
/summarizeSummarize text
POST
/summarize/urlSummarize a web page
POST
/bullet-pointsExtract key bullet points
Code Examples
Python
import requests
url = "https://ai-summarization-by-helix-api.p.rapidapi.com/summarize"
headers = {
"X-RapidAPI-Key": "YOUR_API_KEY",
"X-RapidAPI-Host": "ai-summarization-by-helix-api.p.rapidapi.com",
}
response = requests.post(url, headers=headers)
print(response.json())JavaScript
const response = await fetch(
"https://ai-summarization-by-helix-api.p.rapidapi.com/summarize",
{
method: "POST",
headers: {
"X-RapidAPI-Key": "YOUR_API_KEY",
"X-RapidAPI-Host": "ai-summarization-by-helix-api.p.rapidapi.com"
}
}
);
const data = await response.json();cURL
curl -X POST "https://ai-summarization-by-helix-api.p.rapidapi.com/summarize" \ -H "X-RapidAPI-Key: YOUR_API_KEY" \ -H "X-RapidAPI-Host: ai-summarization-by-helix-api.p.rapidapi.com"
Response Format
All endpoints return JSON in this consistent envelope:
{
"status": "ok",
"data": { /* endpoint-specific payload */ },
"meta": {
"cached": false,
"latency_ms": 142,
"request_id": "req_abc123"
},
"timestamp": "2026-05-21T12:00:00Z"
}Error Codes
| HTTP | Code | Meaning |
|---|---|---|
| 400 | BAD_REQUEST | Missing or invalid parameter |
| 401 | UNAUTHORIZED | Invalid or missing API key |
| 403 | FORBIDDEN | Your plan doesn't include this endpoint |
| 429 | RATE_LIMIT_EXCEEDED | Too many requests — back off and retry |
| 500 | INTERNAL_ERROR | Something went wrong on our side |
| 503 | UPSTREAM_UNAVAILABLE | A third-party data source is down |
Common Use Cases
News readers
Research tools
Email tl;dr
Content curation
Meeting notes
Legal document summarization
Earnings call summaries
Academic paper abstracts
Support ticket summarization
Slack channel digests
Podcast transcript summaries
Product review aggregation
Medical report summarization
Job listing summaries
Book chapter summaries
Competitor blog monitoring
Regulatory filing summaries
RSS feed digests
Knowledge base article condensing
Customer feedback analysis