Automated Next-Best Action Engine
Evaluates incoming email content to choose the optimal action: "reply", "forward", "archive", "assign", or "escalate".
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Automated email decision engine determining routing, forwarding, assignment, archiving, or escalation rules.
https://test.rsflowhub.com/api/v1/ai/email-workflow
AI Email Automation & Auto-Routing Workflow 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/email-workflow 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/email-workflow" \
-H "Content-Type: application/json" \
-H "X-API-Key: rfh_your_api_key" \
-d '{"subject":"Cancel subscription","email_content":"I would like to cancel my subscription from next month, please assist.","allowed_actions":["reply","forward","archive","escalate"],"allowed_departments":["billing","support","sales"],"workflow_first":true}'
<?php
$client = new \GuzzleHttp\Client();
$response = $client->post('https://test.rsflowhub.com/api/v1/ai/email-workflow', [
'headers' => [
'Content-Type' => 'application/json',
'X-API-Key' => 'rfh_your_api_key',
],
'json' => array (
'subject' => 'Cancel subscription',
'email_content' => 'I would like to cancel my subscription from next month, please assist.',
'allowed_actions' =>
array (
0 => 'reply',
1 => 'forward',
2 => 'archive',
3 => 'escalate',
),
'allowed_departments' =>
array (
0 => 'billing',
1 => 'support',
2 => 'sales',
),
'workflow_first' => true,
),
]);
echo $response->getBody();
const response = await fetch('https://test.rsflowhub.com/api/v1/ai/email-workflow', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'rfh_your_api_key'
},
body: JSON.stringify({"subject":"Cancel subscription","email_content":"I would like to cancel my subscription from next month, please assist.","allowed_actions":["reply","forward","archive","escalate"],"allowed_departments":["billing","support","sales"],"workflow_first":true})
});
const data = await response.json();
console.log(data);
import requests
url = "https://test.rsflowhub.com/api/v1/ai/email-workflow"
headers = {
"Content-Type": "application/json",
"X-API-Key": "rfh_your_api_key"
}
payload = {"subject":"Cancel subscription","email_content":"I would like to cancel my subscription from next month, please assist.","allowed_actions":["reply","forward","archive","escalate"],"allowed_departments":["billing","support","sales"],"workflow_first":true}
response = requests.post(url, json=payload, headers=headers)
print(response.json())
Evaluates incoming email content to choose the optimal action: "reply", "forward", "archive", "assign", or "escalate".
Automatically routes emails to correct team queues like billing, technical support, sales, or legal.
Detects urgent legal threats, executive complaints, or chargebacks requiring immediate human intervention.
Evaluates routing rules before drafting reply text to deliver lightning-fast routing execution.
See how developers integrate this API endpoint into production apps.
Route incoming main company contact email inquiries automatically to Billing, Sales, or Legal queues.
Instantly escalate emails containing chargeback threats or legal complaints to senior retention leads.
Assign incoming qualified sales demo requests to regional account executives based on company location.
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 |
email_content
string
Incoming email body or message payload to process.
subject
string
Subject line of the incoming email.
allowed_actions
array
Target allowed workflow actions (e.g. ["reply", "forward", "archive", "escalate"]).
allowed_departments
array
Target departments (e.g. ["billing", "support", "sales"]).
workflow_first
boolean
Prioritize workflow decision over text generation (Default: true).
custom_instructions
string
Custom routing rules or business assignment guidelines.
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": {
"action": "auto_reply",
"department": "billing",
"confidence": 0.9,
"reasoning": "Clear duplicate-charge refund request covered by the standard refund policy.",
"category": "billing",
"intent": "refund_request",
"priority": "high",
"sentiment": "negative",
"language": "en",
"summary": "Duplicate charge on invoice INV-2041; customer requests a refund.",
"reply_text": "Thanks for reaching out. We have refunded the duplicate payment for INV-2041.",
"requires_human_escalation": false,
"escalation_reason": null
}
},
"meta": {
"version": "v1",
"timestamp": "2026-10-05T09:30:00Z"
}
}
Everything you need to know about integrating and using AI Email Automation & Auto-Routing Workflow API.
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