Automated Spelling & Punctuation
Instantly detects and fixes typos, spelling mistakes, missing commas, and run-on sentences.
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Sub-200ms automated spelling, punctuation, and grammar correction API with tone adjustment and error explanations.
https://www.rsflowhub.com/api/v1/ai/grammar-fix
AI Grammar Fix & Sentence Enhancer API is a production-ready cloud REST API endpoint hosted on RSFlowHub designed for developers building high-throughput web, mobile, and AI agent applications. It accepts structured JSON payloads via POST /api/v1/ai/grammar-fix, executes sub-180ms inference across global edge regions, and returns deterministic, type-safe JSON envelopes without unpredictable hallucination.
X-API-Key Header
curl -X POST "https://www.rsflowhub.com/api/v1/ai/grammar-fix" \
-H "Content-Type: application/json" \
-H "X-API-Key: rsh_live_your_api_key_here" \
-d '{"text":"I went to the store yesterday bcuz I need milk.","tone":"professional","dialect":"US","return_explanations":true}'
<?php
$client = new \GuzzleHttp\Client();
$response = $client->post('https://www.rsflowhub.com/api/v1/ai/grammar-fix', [
'headers' => [
'Content-Type' => 'application/json',
'X-API-Key' => 'rsh_live_your_api_key_here',
],
'json' => array (
'text' => 'I went to the store yesterday bcuz I need milk.',
'tone' => 'professional',
'dialect' => 'US',
'return_explanations' => true,
),
]);
echo $response->getBody();
const response = await fetch('https://www.rsflowhub.com/api/v1/ai/grammar-fix', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'rsh_live_your_api_key_here'
},
body: JSON.stringify({"text":"I went to the store yesterday bcuz I need milk.","tone":"professional","dialect":"US","return_explanations":true})
});
const data = await response.json();
console.log(data);
import requests
url = "https://www.rsflowhub.com/api/v1/ai/grammar-fix"
headers = {
"Content-Type": "application/json",
"X-API-Key": "rsh_live_your_api_key_here"
}
payload = {"text":"I went to the store yesterday bcuz I need milk.","tone":"professional","dialect":"US","return_explanations":true}
response = requests.post(url, json=payload, headers=headers)
print(response.json())
Instantly detects and fixes typos, spelling mistakes, missing commas, and run-on sentences.
Adjust writing tone between professional, casual, academic, or technical while switching dialects (US/UK/AU).
Optionally returns detailed breakdown array of detected mistakes, grammar rules, and applied corrections.
Safely preserves HTML tags, markdown elements, and inline code snippets without corrupting markup.
See how developers integrate this API endpoint into production apps.
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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 | Strict typed JSON envelope | Unstructured markdown or chat format | Brittle custom regex tuples |
| Latency Performance | 120ms - 220ms edge cached | 1,500ms - 4,000ms streaming | 50ms (Zero semantic capability) |
| Pricing Model | Flat 1 credit/request | Volatile token-based billing | High server maintenance overhead |
| Multi-Turn Hallucination | Zero (Deterministic validators) | Frequent schema drift & hallucinations | No semantic AI intelligence |
| Developer Integration | 3 lines cURL, PHP, JS, Python | Complex prompt engineering & retry loop | Fragile manual rule maintenance |
text
string
The raw text payload containing spelling or grammar mistakes.
tone
string
Desired writing tone (e.g. "professional", "casual", "academic", "friendly").
dialect
string
Target language dialect (e.g. "US", "UK", "AU").
return_explanations
boolean
Return detailed list of detected errors and explanations (Default: false).
All API endpoints return uniform JSON envelopes with status code, execution metadata, and data payload.
{
"status": "success",
"code": 200,
"message": "Processed successfully",
"data": {
"result": "Sample output result"
},
"meta": {
"credits_deducted": 1,
"execution_time_ms": 142
}
}
Everything you need to know about integrating and using AI Grammar Fix & Sentence Enhancer API.
Get started in minutes with free welcome credits and instant API key generation.
⚡ 24h Bug Fix SLA: If you face any issues, submit them & we fix them within 24 hours.
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