RelviosRelvios
Now in public - Unified Inbox API

The Ultimate Unified Inbox
for modern teams.

Consolidate all your messages into one all-in-one inbox. Turn your fragmented communications into a seamless unified mailbox that your entire team can access.

See how it works
SOC 2 ReadyEnd-to-end encrypted99.9% uptime SLA
Integrates with
Gmail
Outlook
Slack
Discord
WhatsApp
Instagram
Messenger
Telegram
SMTP / IMAP
Webhooks
Product Preview
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Channel integrations
0+
Messages processed daily
0.9%
Uptime guarantee
0ms
Avg. API response
Core Features

Why choose our
unified inbox solution?

Stop switching tabs. Bring everything into one inbox. Our platform provides the most robust all-in-one inbox experience for emails, chats, and social media.

Unified Inbox

One API for email, chat, social messaging, bots, and webhooks. All messages normalized into a single schema.

AI Classification

Auto-tag by intent and sentiment. Context-aware draft replies generated instantly.

MCP Protocol

Native integration with Claude Code, Gemini CLI, OpenCode, Codex CLI, and ZeroClaw to empower AI agents.

Secure OAuth

Managed OAuth, encrypted credentials, webhook verification, and bot-token based channels where platforms require it.

Smart Routing

Route messages to team members or AI agents based on content, platform, or priority rules.

Real-Time Webhooks

HMAC-signed webhook notifications for new messages, connection changes, and status updates.

Integrations

Connect the channels
that matter

Gmail

Secure OAuth with automated incoming thread syncing.

Outlook

Connect Microsoft 365 Exchange mailboxes via OAuth.

SMTP/IMAP

Standard encrypted mail protocol for generic inboxes.

Slack

Sync channels and direct messages into the triage flow.

Discord

Listen to server channels using custom bot integrations.

WhatsApp

Read and respond to WhatsApp Business messages via Meta.

Instagram

Bring Instagram direct messages into the shared inbox.

Messenger

Handle Facebook Page messages from one workspace.

Telegram

Connect bot conversations through webhook or polling.

Webhooks

Inbound POST requests normalized into conversations.

For Developers

Three steps to
go live

01

Connect your channels

Securely link Gmail, Outlook, Slack, Discord, WhatsApp, Instagram, Messenger, Telegram, SMTP/IMAP servers, and webhook endpoints.

Terminal
$ POST /v1/connections { "provider": "gmail" }
02

Create an API key

Configure your workspace and get your access tokens from the settings panel.

Terminal
$ curl -X POST https://api.relvios.com/v1/keys
03

Read, route & reply

Fetch normalized streams, let AI draft replies, and track conversations via REST API or MCP protocol.

Terminal
$ GET /v1/threads?status=unread

Simple, transparent
pricing

Scale as your message volume grows. Save 30% on yearly plans.

Ready to unify
your inbox?

Start with a 3-day free trial. Connect your channels, integrate your AI agents, and experience unified messaging in minutes.

What is a Unified Inbox?

A unified inbox is an essential tool for modern businesses that want to streamline their communication. By bringing all your channels into one inbox, you eliminate the need to constantly switch between different apps and tabs.

Our all-in-one inbox solution connects your email, social media, and chat platforms. This creates a powerful unified mailbox where your team can collaborate, assign conversations, and respond faster than ever before.

Whether you are looking to manage customer support or just keep your personal communication organized, a unified inbox gives you the visibility and control you need.