Persona & Brand Voice Control
Select between friendly, professional, witty, empathetic, or casual brand voice personalities.
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Social comment reply generation API with brand tone control, product context, and custom call-to-actions.
https://test.rsflowhub.com/api/v1/ai/comment-reply
Smart Social Media Comment Reply Generator 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/comment-reply 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.
X-API-Key Header
curl -X POST "https://test.rsflowhub.com/api/v1/ai/comment-reply" \
-H "Content-Type: application/json" \
-H "X-API-Key: rfh_your_api_key" \
-d '{"comment":"Do you ship to Mumbai? I would love to order this today!","business_name":"ArtisanFootwear","business_context":"We are an artisanal e-commerce shop delivering worldwide. Shipping is free within India.","platform":"Instagram","tone":"friendly","instructions":"Include a call to action to visit the link in bio."}'
<?php
$client = new \GuzzleHttp\Client();
$response = $client->post('https://test.rsflowhub.com/api/v1/ai/comment-reply', [
'headers' => [
'Content-Type' => 'application/json',
'X-API-Key' => 'rfh_your_api_key',
],
'json' => array (
'comment' => 'Do you ship to Mumbai? I would love to order this today!',
'business_name' => 'ArtisanFootwear',
'business_context' => 'We are an artisanal e-commerce shop delivering worldwide. Shipping is free within India.',
'platform' => 'Instagram',
'tone' => 'friendly',
'instructions' => 'Include a call to action to visit the link in bio.',
),
]);
echo $response->getBody();
const response = await fetch('https://test.rsflowhub.com/api/v1/ai/comment-reply', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'rfh_your_api_key'
},
body: JSON.stringify({"comment":"Do you ship to Mumbai? I would love to order this today!","business_name":"ArtisanFootwear","business_context":"We are an artisanal e-commerce shop delivering worldwide. Shipping is free within India.","platform":"Instagram","tone":"friendly","instructions":"Include a call to action to visit the link in bio."})
});
const data = await response.json();
console.log(data);
import requests
url = "https://test.rsflowhub.com/api/v1/ai/comment-reply"
headers = {
"Content-Type": "application/json",
"X-API-Key": "rfh_your_api_key"
}
payload = {"comment":"Do you ship to Mumbai? I would love to order this today!","business_name":"ArtisanFootwear","business_context":"We are an artisanal e-commerce shop delivering worldwide. Shipping is free within India.","platform":"Instagram","tone":"friendly","instructions":"Include a call to action to visit the link in bio."}
response = requests.post(url, json=payload, headers=headers)
print(response.json())
Select between friendly, professional, witty, empathetic, or casual brand voice personalities.
Grounds responses in specific product features, pricing, store location, and business policies.
Automatically attaches custom conversion CTAs like "Check link in bio!", "DM us for a promo code!", or website links.
Generates native responses in 50+ languages with optional emoji frequency control.
See how developers integrate this API endpoint into production apps.
Instantly generate friendly replies to buyer product questions on Instagram post comments with call-to-action to check link in bio.
Engage with video viewers by generating thoughtful, encouraging responses matching channel creator personality.
Politely direct dissatisfied social media commenters to customer support DMs or helpdesk email.
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 | Validated JSON envelope | Unstructured markdown or chat format | Brittle custom regex tuples |
| Setup Effort | One POST request, no prompts | Write and maintain prompts + output parsing | Fast, but rule lists miss context and sarcasm |
| Pricing Model | Flat 2 credit/request | Volatile token-based billing | High server maintenance overhead |
| Multi-Turn Hallucination | Zero (Deterministic validators) | Output format can drift between model versions | No semantic AI intelligence |
| Developer Integration | 3 lines cURL, PHP, JS, Python | Complex prompt engineering & retry loop | Fragile manual rule maintenance |
comment
string
Raw social media comment to generate a response for.
business_name
string
Your company, brand, or creator handle name.
business_context
string
Business policies, background knowledge, shipping terms, or FAQ context.
post_context
string
Social media post description, image caption, or video subject.
tone
string
Desired writing tone ("friendly", "professional", "witty", "empathetic"). Default: "friendly".
instructions
string
Custom generation rules (e.g. "Include call to action to visit link in bio").
Every endpoint returns the same envelope: success, request_id, data.result and meta.
{
"success": true,
"request_id": "req_3f9a2c7e-5b1d-4e8a-9c2f-7d6e1a0b4c8d",
"data": {
"result": {
"reply_text": "Thanks so much! It is available in our store right now, link in bio.",
"language": "en",
"tone": "friendly"
}
},
"meta": {
"version": "v1",
"timestamp": "2026-10-05T09:30:00Z"
}
}
Everything you need to know about integrating and using Smart Social Media Comment Reply Generator API.
Get started in minutes with free welcome credits and instant API key generation.
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