< 180ms
P95 Router Latency
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
{
"status": "success",
"code": 200,
"data": {
"intent": "billing_refund_request",
"urgency": "high",
"suggested_reply": "Hi there, thank you for reaching out. We sincerely apologize for the duplicate charge. Our billing team has been notified and is issuing an immediate refund to your original payment method.",
"action_items": [
"verify_transaction",
"initiate_refund"
]
},
"telemetry": {
"latency_ms": 142
}
}
P95 Router Latency
Language & Model Coverage
Data Persistence (Zero-Trust)
How RSFlowHub Email & Communication APIs delivers high-throughput inference with sub-180ms latency and guaranteed JSON contracts.
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. Get strict JSON output with dynamic model routing and credit telemetry.
curl -X POST "https://api.rsflowhub.com/api/v1/email/generate-reply" \
-H "X-API-Key: rf_live_your_api_key" \
-H "Content-Type: application/json" \
-d '{
"email_body": "Hi, I was billed twice for my subscription this month. Can you please refund the extra charge?",
"tone": "empathetic",
"customer_tier": "enterprise"
}'
import requests
url = "https://api.rsflowhub.com/api/v1/email/generate-reply"
headers = {
"X-API-Key": "rf_live_your_api_key",
"Content-Type": "application/json"
}
payload = {
"email_body": "Hi, I was billed twice for my subscription this month. Can you please refund the extra charge?",
"tone": "empathetic",
"customer_tier": "enterprise"
}
response = requests.post(url, headers=headers, json=payload)
print(response.json())
const response = await fetch("https://api.rsflowhub.com/api/v1/email/generate-reply", {
method: "POST",
headers: {
"X-API-Key": "rf_live_your_api_key",
"Content-Type": "application/json"
},
body: JSON.stringify({
"email_body": "Hi, I was billed twice for my subscription this month. Can you please refund the extra charge?",
"tone": "empathetic",
"customer_tier": "enterprise"
})
});
const data = await response.json();
console.log(data);
<?php
$ch = curl_init("https://api.rsflowhub.com/api/v1/email/generate-reply");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
"X-API-Key: rf_live_your_api_key",
"Content-Type": "application/json"
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, '{
"email_body": "Hi, I was billed twice for my subscription this month. Can you please refund the extra charge?",
"tone": "empathetic",
"customer_tier": "enterprise"
}');
$response = curl_exec($ch);
curl_close($ch);
print_r(json_decode($response, true));
{
"status": "success",
"code": 200,
"message": "Email reply generated.",
"data": {
"intent": "billing_refund_request",
"urgency": "high",
"suggested_reply": "Hi there, thank you for reaching out. We sincerely apologize for the duplicate charge. Our billing team has been notified and is issuing an immediate refund to your original payment method.",
"action_items": [
"verify_transaction",
"initiate_refund"
]
}
}
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 | Sub-160ms 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.
Yes! You can pass custom tone parameters such as "professional", "friendly", "formal", or "empathetic" to align with your brand voice.
Yes. The API automatically sanitizes HTML formatting while extracting the core message semantics, avoiding prompt injection or token bloat.
The classification engine analyzes semantic signals, churn risk markers, SLA triggers, and financial/billing keywords to calculate a calibrated urgency score.
Never. Inbound emails and generated drafts are processed strictly in volatile memory with zero disk logging, ensuring complete GDPR and corporate privacy compliance.
Yes. RSFlowHub returns uniform JSON envelopes with clean status codes, making it simple to trigger via standard webhooks from any automation platform.
Get production API keys, access developer documentation, and test requests live in our interactive playground with 1,000 free credits.
⚡ 24h Bug Fix SLA: If you face any issues, submit them & we fix them within 24 hours.
💡 Custom APIs: Need custom AI models or APIs? Tell us and we will build them for you.