Agent Mailbox Api
The best 50 Agent Mailbox Api AI tools - Free & Paid
Explore 50 AI for Agent Mailbox Api
API-first platform that provisions and manages email inboxes for AI agents, offering REST endpoints, typed SDKs and webhooks for two-way threaded email, attachments, semantic search and structured data extraction (documents, invoices, OTPs) plus delivery and spam events.
Freemium
- $20/mo
Atomic Mail is an encrypted email service offering end-to-end and zero access encryption. It features multiple aliases for anonymity and includes AI tools like a writing assistant, summarizer, and security helper, compatible across various platforms.
Free
Inbox Zero is an AI‑powered assistant for Gmail and Outlook that auto‑labels mail, drafts replies in the user’s voice, bulk unsubscribes, and syncs with calendars and CRM. It offers privacy‑centric, self‑hostable code and inbox analytics.
Subscription
- $18/mo
sendmux.ai is a unified email API for AI agents that handles inbound, outbound, routing, and delivery events, and returns raw and cleaned JSON email bodies to reduce LLM token consumption. It features agent-shaped mailboxes, provider failover routing with quotas and delivery groups, and real-time in
Freemium
Mails.ai automates cold‑email campaigns—creating, sending, and scheduling follow‑ups—while supporting unlimited Gmail, Outlook, Zoho, or custom SMTP accounts. It verifies addresses, warms mailboxes, generates personalized AI copy, rotates inboxes for deliverability, tracks contacts, reports, and off
Freemium
- $24/mo
Inbox AI is a voice-driven automation tool for macOS that streamlines email management and task processing. It integrates with Apple Mail for smart actions, supports custom voice assistants, and ensures privacy through on-device processing.
Free
Emitrr is an AI receptionist and 24/7 virtual employee that manages business texting from your existing number, appointment scheduling and reminders, automated follow-ups and digital forms, integrates with 500+ CRMs, and centralizes multi-location communications.
Freemium
Inboxly aggregates email, social media, and messaging into one inbox, auto‑organizing and prioritizing content. AI drafts replies, cuts response time, and sends a daily digest for a quick channel overview, saving users time and streamlining outreach.
Subscription
- $4.99/mo
ReachInbox is an AI-powered email outreach tool for optimized cold campaigns. It enhances deliverability through AI warmups and multi-channel strategies, speeds up setup by 700%, offers intelligent personalization, and facilitates scalable outreach automation.
Free trial
- $9.99/mo
InboxIgniter is an AI-powered mailbox warming tool that enhances email deliverability and sender reputation by automating the warmup process for new domains or accounts, ensuring effective email marketing without manual intervention.
Free trial
Abnormal AI provides behavior-based email and identity security for enterprises, detecting and blocking phishing, BEC, malware, quishing and account takeover attempts, automating mailbox triage and real-time response, offering in-email phishing coaching and centralized telemetry.
Freemium
HostBuddy AI centralizes guest communication for short‑term rental hosts, pulling property details from PMS, automating replies, and scheduling messages. It tracks maintenance tickets, sends Slack alerts, and offers analytics on response time and sentiment.
Freemium
Email Verification uses AI to validate and clean email lists, flagging invalid, disposable, spam‑trap, role‑based, and catch‑all addresses. Real‑time API results and downloadable reports improve inbox placement and sender reputation.
Freemium
VoiceDrop delivers ringless voicemail using AI voice cloning from a short sample. Users upload contacts, customize scripts with variables, schedule campaigns, integrate via CRM or API, and monitor compliance‑aware delivery and response analytics.
Subscription
- $95/mo
AI‑powered InboxPro streamlines client acquisition and nurture workflows by auto‑composing, summarizing, and personalizing emails, automating multi‑step follow‑ups, syncing with Google Calendar, tracking opens and clicks, and providing analytics dashboards for data‑driven outreach.
Freemium
- $10/mo
Aidbase unifies chatbot, knowledge base, ticket forms, and email inbox into one AI‑powered support hub. It auto‑trains on documents, web content, PDFs, and video transcripts, integrates via APIs/Webhooks to Slack, Shopify, and more, while ensuring GDPR‑compliant EU data security.
Subscription
- $29/mo
Mailgo is an AI-driven cold email platform that automates lead discovery and campaign management. It offers anti-spam measures, tailored templates, real-time monitoring, and supports Gmail and Outlook with features like inbox warm-up and lead prioritization.
Free trial
Zero Inbox is an AI email organizer that classifies spam, promotions, newsletters, and priority messages, enabling bulk delete or unsubscribe. It supports Gmail, Outlook, Hotmail, Google Workspace, encrypts data end‑to‑end, and offers dashboards for compliance, saving users hours daily.
Subscription
AI Front Desk centralizes customer communication, answering calls 24/7, qualifying leads, scheduling appointments, and handling web chat, SMS, and voice interactions. It syncs with a CRM, routes tickets, and provides analytics dashboards for efficient lead management.
Freemium
- $99/mo
Canary Mail unifies multiple email accounts across Mac, iOS, Android, and Windows in a single inbox. AI drafts replies, summarizes threads, auto‑categorizes mail, and offers read receipts, snooze, templates, and secure PGP/HIPAA‑compliant encryption for enterprise‑grade privacy.
Freemium
Reply.io automates personalized cold email and LinkedIn outreach, using AI-driven customization and real‑time B2B contact data. It offers multichannel sequences, inbox‑optimization tools, API integration, and meeting‑scheduling to streamline lead qualification and accelerate sales pipelines.
Freemium
paperclip is an open-source, self-hosted AI orchestration platform for creating and managing autonomous companies and agent teams—providing role-based hiring, goal-driven task delegation, budgeting, audit trails, multi-tenant deployment, extensible LLM integrations, and monitoring dashboards.
Free
AIMLAPI.com offers a unified API endpoint for over 400 AI models spanning chat, image, video, audio, voice, text, 3D, and OCR. It supports sandbox testing, granular access control, batch requests, and an OpenClaw runtime for secure, human‑in‑the‑loop workflows.
Freemium
MailMaestro is an AI email assistant for Outlook, Outlook Web, and Gmail that drafts, summarizes, and tags emails in 20+ languages, extracts deadlines and action items, nudges follow‑ups, and adds a Teams meeting‑notes extension.
Freemium
Salesforge combines email and LinkedIn outreach, automating prospecting with AI personalization and an AI Sales Development Representative. It offers unlimited mailboxes, mailbox rotation, warm‑up, inbox monitoring, and integrations with CRMs, Zapier, Slack, Salesforce for streamlined pipeline manag
Free trial
- $48/mo
Spark Mail unifies IMAP, iCloud, Exchange, Outlook, Yahoo, and Google accounts on one screen, featuring a Smart Inbox, Gatekeeper, and priority highlights. It offers AI summaries, drafting, translation, scheduling tools, and real‑time team collaboration, all encrypted on Google Cloud.
Subscription
Mailtester.ai is an email deliverability testing tool that evaluates SPF, DKIM, DMARC, and DNS configurations. It offers a deliverability score, spam score analysis, and actionable content recommendations to enhance email engagement and improve inbox placement.
Subscription
mxHero is an AI-driven email management tool that enhances security and productivity by classifying and routing emails, protecting sensitive content, and optimizing cloud storage, while reducing email data sprawl and supporting sustainability efforts.
Free
Missive turns an inbox into a workspace, letting teams view, tag, assign, and comment on messages. It creates tasks from emails, automates actions with rules and AI, and integrates with Gmail, Outlook, calendars, and 25+ apps while keeping security.
Paid
- $14/mo
Mailoptimal is an email warm-up and deliverability testing tool that automates warm-up processes for unlimited accounts, providing insights on inbox placement, monitoring blacklist listings, and offering customizable strategies to enhance email engagement and ensure successful delivery.
Free trial
- $19/mo
AutoResponder.ai automates messaging on WhatsApp, Facebook Messenger, Instagram, Telegram, Signal, and Viber by delivering predefined replies. Users set unlimited custom rules, out‑of‑office messages, and integrate with ChatGPT, Gemini, Dialogflow, and Tasker for AI‑powered, automated workflows.
Free
TempMail.bot is a tool that instantly creates disposable email addresses with a temporary inbox for anonymous sign-ups and one-time message receipt, helping users avoid spam and protect their personal inbox during verification workflows.
Freemium
Enso Connect centralizes guest communication across email, SMS, WhatsApp, and OTA channels, automating check‑in/out messages, guidebooks, smart‑lock access, and identity verification. It inserts upsell offers, tracks tasks with a CRM, and delivers real‑time analytics across 30+ integrations.
Subscription
Mailr is a Chrome extension that generates complete emails with a single click. Users specify an email goal and choose a tone, and the AI writes a full message, cutting drafting time for professionals.
Freemium
- $4.99/mo
Modern Realty is an AI‑powered real estate CRM that consolidates SMS, email, and social DM into one inbox, auto‑generates replies, scores leads in real time, prioritizes top prospects, and offers MLS property matching.
Subscription
- $149/mo
Mailvio boosts email marketing by prioritizing inbox placement, automating IP/domain warm‑up, and using a 3‑wave sending strategy aligned with AI spam filters. Its AI writer, RFM segmentation, and real‑time dashboards improve deliverability and engagement.
Subscription
- $1066.67/mo
Eloquens AI is a smart email assistant that automates routine emails, books appointments, and filters spam in 160+ languages. It learns user preferences, operates continuously, and provides performance analytics.
Free trial
Replify provides gyms and fitness chains with a 24/7 AI receptionist and sales suite that handles inbound calls, outbound calls/texts, appointment scheduling, lead qualification, billing automation and live staff transfers, integrating with CRMs, booking systems and calendars.
Free
- $300/mo
Mailshake centralizes multi-channel B2B outreach—cold email, dialing, and social—combining an AI email writer, prospect search, automated follow-ups, deliverability tools, lead management, analytics, and CRM/API integrations for scalable lead generation and campaign automation.
Freemium
- $12/mo
Yelp Auto Responder is an AI voice agent that answers leads across Yelp, Thumbtack, Facebook and Google, instantly qualifying inquiries, generating quotes, booking appointments, running batch campaigns, integrating with CRMs, and providing analytics and call recording for automated follow-up.
Free trial