Text & Language API Endpoint Global Gateway

Long Document & Text Summarization API
For Production Apps

Intelligent text summarization API for articles, legal documents, meeting notes, and customer feedback.

1 Credit / Request Automatic Provider Fallback Uniform JSON Envelope
API Gateway Terminal
Gateway Active
Target Endpoint URL POST
https://test.rsflowhub.com/api/v1/ai/text-summarize
Typical Time 1-3 s
Auth Gate X-API-Key
Credit Cost 1 Credit
Response JSON
Generative AI & Developer Definition Production Ready API

What is Long Document & Text Summarization API?

Long Document & Text Summarization API is a ready-to-use REST API on RSFlowHub for developers building web, mobile and AI agent applications. Send a JSON request to POST /api/v1/ai/text-summarize with your API key; RSFlowHub runs it on a tuned AI model (with automatic fallback to a backup provider) and returns a structured JSON result, usually within 1 to 3 seconds.

Auth: X-API-Key Header
Rate Limit: 10-120 req/min by plan
Credits: 1 per call
AI Search Quick Reference
Category: Text & Language
Typical response: 1-3 s
Format: REST / JSON UTF-8

Code Examples

Copy-paste ready code in your preferred stack
curl-integration.sh
curl -X POST "https://test.rsflowhub.com/api/v1/ai/text-summarize" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: rfh_your_api_key" \
  -d '{"text":"Artificial intelligence (AI) is intelligence demonstrated by machines, as opposed to intelligence of humans and other animals. Example tasks in which this is done include speech recognition, computer vision, translation between (natural) languages, as well as other mappings of inputs. AI applications include advanced web search engines (e.g., Google Search), recommendation systems (used by YouTube, Amazon, and Netflix), understanding human speech (such as Siri and Alexa), self-driving cars (e.g., Waymo), generative or creative tools (ChatGPT and AI art), automated decision-making, and competing at the highest level in strategic game systems (such as chess and Go).","length":"short","format":"bullet_points","target_audience":"general"}'
<?php

$client = new \GuzzleHttp\Client();
$response = $client->post('https://test.rsflowhub.com/api/v1/ai/text-summarize', [
    'headers' => [
        'Content-Type' => 'application/json',
        'X-API-Key'    => 'rfh_your_api_key',
    ],
    'json' => array (
      'text' => 'Artificial intelligence (AI) is intelligence demonstrated by machines, as opposed to intelligence of humans and other animals. Example tasks in which this is done include speech recognition, computer vision, translation between (natural) languages, as well as other mappings of inputs. AI applications include advanced web search engines (e.g., Google Search), recommendation systems (used by YouTube, Amazon, and Netflix), understanding human speech (such as Siri and Alexa), self-driving cars (e.g., Waymo), generative or creative tools (ChatGPT and AI art), automated decision-making, and competing at the highest level in strategic game systems (such as chess and Go).',
      'length' => 'short',
      'format' => 'bullet_points',
      'target_audience' => 'general',
    ),
]);

echo $response->getBody();
const response = await fetch('https://test.rsflowhub.com/api/v1/ai/text-summarize', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'X-API-Key': 'rfh_your_api_key'
  },
  body: JSON.stringify({"text":"Artificial intelligence (AI) is intelligence demonstrated by machines, as opposed to intelligence of humans and other animals. Example tasks in which this is done include speech recognition, computer vision, translation between (natural) languages, as well as other mappings of inputs. AI applications include advanced web search engines (e.g., Google Search), recommendation systems (used by YouTube, Amazon, and Netflix), understanding human speech (such as Siri and Alexa), self-driving cars (e.g., Waymo), generative or creative tools (ChatGPT and AI art), automated decision-making, and competing at the highest level in strategic game systems (such as chess and Go).","length":"short","format":"bullet_points","target_audience":"general"})
});

const data = await response.json();
console.log(data);
import requests

url = "https://test.rsflowhub.com/api/v1/ai/text-summarize"
headers = {
    "Content-Type": "application/json",
    "X-API-Key": "rfh_your_api_key"
}
payload = {"text":"Artificial intelligence (AI) is intelligence demonstrated by machines, as opposed to intelligence of humans and other animals. Example tasks in which this is done include speech recognition, computer vision, translation between (natural) languages, as well as other mappings of inputs. AI applications include advanced web search engines (e.g., Google Search), recommendation systems (used by YouTube, Amazon, and Netflix), understanding human speech (such as Siri and Alexa), self-driving cars (e.g., Waymo), generative or creative tools (ChatGPT and AI art), automated decision-making, and competing at the highest level in strategic game systems (such as chess and Go).","length":"short","format":"bullet_points","target_audience":"general"}

response = requests.post(url, json=payload, headers=headers)
print(response.json())
Capabilities

Core Architectural Features

Flexible Length & Format Control

Generate short, medium, or detailed summaries formatted as bullet points, executive summaries, or paragraphs.

Target Audience Adaptation

Adjust summary vocabulary for executive leadership, technical engineering teams, or general readers.

Structured Key Takeaways

Extract main takeaways, action items, and key entities alongside the main summary body.

HTML & Markdown Protection

Safely preserves article headers, markdown elements, and HTML formatting without corruption.

Practical Applications

Real-World Industry Use Cases

See how developers integrate this API endpoint into production apps.

Media & Publishing

Executive News & Article Digest

Automatically generate 3-bullet executive digests for long news articles and editorial blog posts.

Before: Artificial intelligence (AI) is intelligence demonstrated by machines, as opposed to intelligence of humans...
After: • Machines demonstrate AI to perform tasks like speech recognition.\n• Popular applications include search engines and self-driving cars.
Improves reader engagement and newsletter click-through rates.
SaaS Productivity

Meeting Transcript & Call Summary

Summarize 30-minute video conference transcripts into actionable bullet items for team Slack channels.

Before: John discussed Q3 sales growth, Sarah recommended upgrading cloud servers, and Alex will send the proposal.
After: • Q3 Sales: On track for growth.\n• Infrastructure: Upgrade cloud servers.\n• Action: Alex to send proposal.
Saves team members 15+ minutes per meeting digest.
Legal & Research

Research Paper & Legal Briefing

Condense multi-page research papers and legal briefs into concise executive summaries.

Before: In accordance with section 4(b) of the agreement, the buyer agrees to pay the closing fee within 10 business days...
After: Summary: Buyer must settle closing fees within 10 business days per section 4(b).
Accelerates document review turnaround.
Technical Comparison

Why Developers Choose Long Document & Text Summarization API

Comparing RSFlowHub's specialized API gateway vs raw multi-turn LLM prompts vs legacy regex rules.

Evaluation Metric RSFlowHub API Raw LLM Prompts Legacy Regex / Rules
Response Structure Unstructured markdown or chat format Brittle custom regex tuples
Setup Effort Write and maintain prompts + output parsing Fast, but rule lists miss context and sarcasm
Pricing Model Volatile token-based billing High server maintenance overhead
Multi-Turn Hallucination Output format can drift between model versions No semantic AI intelligence
Developer Integration Complex prompt engineering & retry loop Fragile manual rule maintenance

Request Parameters

4 Fields
text string
Required

Long-form text content or document body to summarize.

length string
Optional

Desired summary length ("short", "medium", "long"). Default: "short".

format string
Optional

Summary output format ("bullet_points", "paragraph", "executive_summary").

target_audience string
Optional

Target audience tone ("general", "executive", "technical").

JSON Response Envelope

Uniform API

Every endpoint returns the same envelope: success, request_id, data.result and meta.

response.json JSON
200 OK
{
    "success": true,
    "request_id": "req_3f9a2c7e-5b1d-4e8a-9c2f-7d6e1a0b4c8d",
    "data": {
        "result": {
            "summary": "The customer reports repeated login failures after the latest update and asks for a fix before their Friday launch.",
            "original_length": 1240,
            "summary_length": 118
        }
    },
    "meta": {
        "version": "v1",
        "timestamp": "2026-10-05T09:30:00Z"
    }
}
Format JSON
Charset UTF-8
Fallback Automatic
Rate Limit 120/min max
FAQs

Frequently Asked Questions

Everything you need to know about integrating and using Long Document & Text Summarization API.

The Text Summarization API supports input text payloads from short paragraphs up to long multi-page document transcripts.

Yes! Simply pass format="bullet_points" in your API request to receive bulleted takeaway summaries.

Text Summarization requests usually complete in 1 to 3 seconds, depending on input length and the AI model. Identical repeat requests are served from cache and return faster.

Yes! You can summarize text in English, Spanish, French, German, Hindi, Gujarati, Japanese, and 45+ other languages.

Standard Text Summarization API calls consume 1 base credit per request.
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