1-3 s
Typical Response Time
Loading RSFlowHub...
Automate email inbox triage, auto-replies, urgency classification, and multi-step email workflows with developer-first AI REST endpoints.
Generate intelligent, context-aware email replies based on the original email and optional anal...
/api/v1/ai/email-reply
{
"success": true,
"request_id": "req_3f9a2c7e-5b1d-4e8a-9c2f-7d6e1a0b4c8d",
"data": {
"result": {
"reply_text": "Hi there, thanks for flagging this. I can see the duplicate charge on your March invoice and have started a refund for the second payment. You should see it back on your card within 5-7 business days.",
"confidence_score": 0.91,
"requires_human_escalation": false,
"escalation_reason": null,
"triggered_actions": []
}
},
"meta": {
"version": "v1",
"timestamp": "2026-10-05T09:30:00Z"
}
}
Typical Response Time
With Automatic Fallback
Used for Model Training
How RSFlowHub Email & Communication APIs APIs work, what they return, and where they fit in your product.
RSFlowHub Email & Communication APIs streamline inbox operations by analyzing incoming messages for intent, urgency, and sentiment, while generating contextually grounded, professional drafts. Equipped with automatic HTML stripping and CRM entity extraction, these endpoints reduce customer support response times from hours to milliseconds.
Showing 3 live endpoints with dynamic model failover, strict JSON contracts, and unified credit billing.
Generate intelligent, context-aware email replies based on the original email and optional analysis results. Customize the response with different tones, writing styles, languages, and business instructions to produce professional, human-like replies.
/api/v1/ai/email-reply
Analyze incoming emails using AI to extract structured insights such as category, intent, priority, sentiment, language, entities, and summary.
/api/v1/ai/email-analyze
Determine the most appropriate business action for an email using AI. The API analyzes the email and recommends workflow decisions such as replying, forwarding, assigning, archiving, escalating, or routing to the correct department.
/api/v1/ai/email-workflow
Call any Email & Communication APIs endpoint using standard REST requests in your favorite language. You get structured JSON back, with automatic model fallback and a request ID on every call.
curl -X POST "https://rsflowhub.com/api/v1/ai/email-reply" \
-H "X-API-Key: rfh_your_api_key" \
-H "Content-Type: application/json" \
-d '{
"email_text": "Hi, I was charged twice for my March invoice. Can you refund the duplicate payment?",
"tone": "friendly"
}'
import requests
url = "https://rsflowhub.com/api/v1/ai/email-reply"
headers = {
"X-API-Key": "rfh_your_api_key",
"Content-Type": "application/json"
}
payload = {
"email_text": "Hi, I was charged twice for my March invoice. Can you refund the duplicate payment?",
"tone": "friendly"
}
response = requests.post(url, headers=headers, json=payload)
print(response.json())
const response = await fetch("https://rsflowhub.com/api/v1/ai/email-reply", {
method: "POST",
headers: {
"X-API-Key": "rfh_your_api_key",
"Content-Type": "application/json"
},
body: JSON.stringify({
"email_text": "Hi, I was charged twice for my March invoice. Can you refund the duplicate payment?",
"tone": "friendly"
})
});
const data = await response.json();
console.log(data);
<?php
$ch = curl_init("https://rsflowhub.com/api/v1/ai/email-reply");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
"X-API-Key: rfh_your_api_key",
"Content-Type: application/json"
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, '{
"email_text": "Hi, I was charged twice for my March invoice. Can you refund the duplicate payment?",
"tone": "friendly"
}');
$response = curl_exec($ch);
curl_close($ch);
print_r(json_decode($response, true));
{
"success": true,
"request_id": "req_3f9a2c7e-5b1d-4e8a-9c2f-7d6e1a0b4c8d",
"data": {
"result": {
"reply_text": "Hi there, thanks for flagging this. I can see the duplicate charge on your March invoice and have started a refund for the second payment. You should see it back on your card within 5-7 business days.",
"confidence_score": 0.91,
"requires_human_escalation": false,
"escalation_reason": null,
"triggered_actions": []
}
},
"meta": {
"version": "v1",
"timestamp": "2026-10-05T09:30:00Z"
}
}
How RSFlowHub Email & Communication APIs compares to direct cloud provider SDKs and self-hosted open-source clusters.
| Platform Capability | RSFlowHub Email & Communication APIs | Direct Cloud SDKs | Self-Hosted Models |
|---|---|---|---|
| Triage & Routing | Automated Classification | Custom Prompt Engineering | Fine-Tuned BERT Pipeline |
| Tone Control | Standardized Parametric Tones | Variable Prompt Prompting | Multiple Checkpoints |
| CRM Integration | Ready JSON Webhook Payload | Manual Text Parsing Required | Custom Adapter Layers |
| Security & PII | Zero Email Body Persistence | Subject to Cloud Retention | Local Network Only |
| Pricing Model | 1 Base Credit Per Email | Dynamic Per-Token Billing | Dedicated GPU Server Bill |
Real-world architectures deployed by engineering teams using Email & Communication APIs.
Automatically tag incoming support emails by department (Billing, Tech, Sales) and assign urgency scores to meet customer SLAs.
Generate draft replies to customer inquiries instantly, allowing human agents to review and send with a single click.
Condense multi-turn email threads into concise briefings with identified deadlines and owner assignments.
Technical specifications on Email & Communication APIs latency SLAs, concurrency limits, schema validation, and billing.
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💡 Need a custom endpoint? Tell us what you need and we will scope it with you.