New AI Actions are now available for every agent. Learn more
Now with AI Actions: let your agent book, refund & update orders

AI agents for magical customer experiences

ReplyHarbor is the complete platform for building and deploying AI support agents. Train on your docs, website and help center, then resolve customer questions 24/7 across every channel.

Book demo
Loved by 10,000+ support teams
Acme Support
Typically replies instantly
Message…
Resolution rate
87%
Action completedRefund issued · $49.00

Powering support at fast-growing companies

Northwind Lumora Pinecrest Vantage Orbitly Halcyon
app.replyharbor.app/acme/activity
Chat logsLast 7 days
Emma Wilson

How do I get a refund for order #4821?

Action
Lucas Martín

¿Puedo cambiar mi plan a anual?

Resolved
Aisha Khan

Does the API support webhooks?

Resolved
Noah Becker

I was charged twice this month

Escalated
Yuki Tanaka

Can I export my chat history?

Resolved
EW
Emma WilsonWebsite widget · London, UK
Refund issued
Hi! How do I get a refund for order #4821? It arrived damaged 😕
I'm sorry about that, Emma! Order #4821 is within our 30-day window, so you're eligible for a full refund.
stripe.create_refund · $49.00
Done. Your $49.00 refund is on its way and should appear in 3–5 business days. Anything else I can help with? refund-policy.pdf
That was fast, thank you!! 🙌
Positive sentiment Resolved by AI in 38s
Platform

Everything you need to automate support

From training to deployment to analytics: one platform, built for teams who care about customers.

Train on your own data

Upload files, crawl your website, connect Notion or paste Q&A pairs. Your agent learns your product and answers only from your sources.

  • PDFs, DOCX, TXT & CSV files
  • Automatic website crawling & re-sync
  • Notion, Google Drive & Zendesk help centers
product-guide.pdf48 KB · 12,402 characters
Trained
acme.com142 pages crawled · auto-sync daily
Trained
Notion · Help Center36 pages
Syncing
Q&A pairs24 answers
Trained
Retrain agent

Go beyond answers. Take action.

Connect your tools so your agent can update subscriptions, look up orders, book meetings and hand off to a human when it matters.

  • Stripe, Shopify & Cal.com actions
  • Custom API actions with no code
  • Smart escalation to your human team
Can I upgrade to the yearly plan?
Running stripe.update_subscription
Subscription updated to Pro (Yearly)
Done! You're now on Pro yearly and will save $240/year. A receipt is on its way to your inbox.

Deploy everywhere your customers are

Embed a chat widget with one line of code, or connect WhatsApp, Messenger, Instagram, Slack and more. One agent, every channel.

  • Fully brandable widget
  • Multilingual, 95+ languages
  • REST API & webhooks
index.html
<!-- Add to your site's <head> -->
<script
  src="https://cdn.replyharbor.app/embed.js"
  data-agent-id="ag_7Hq2x9"
  defer></script>
WebsiteWhatsAppMessengerInstagramSlackAPI

Understand every conversation

See what customers ask, where your agent struggles and how sentiment trends over time. Turn insights into better answers with one click.

  • Topic & sentiment analysis
  • Unanswered question reports
  • Revise answers inline
Conversations12,480+18%
Resolved by AI87%+4%
CSAT4.8+0.2
MonTueWedThuFriSatSun
10,000+businesses using ReplyHarbor
35M+conversations handled
80%of tickets resolved by AI
95+languages supported
Why ReplyHarbor

Built for accuracy, safety and scale

Everything an enterprise support team needs, without the enterprise setup time.

Powered by frontier models

Choose from the latest models from leading AI labs. Swap any time and your training data stays put.

ClaudeGPTGeminiLlama

Guardrails built in

Agents stay on-topic and only answer from your sources. No made-up policies.

95+ languages

Detects the customer's language and replies natively, even if your docs are English-only.

Enterprise-grade security

SOC 2 Type II, GDPR compliant, encrypted at rest and in transit. Your data is never used to train models.

SOC 2 Type IIGDPRSAML SSOAES-256

Human handoff

Escalate to your team in Zendesk, Intercom or email with the full transcript attached.

Always up to date

Auto-sync re-crawls your website and docs on a schedule so answers never go stale.

On-brand by default

Match your colors, logo, tone of voice and welcome messages. Remove our branding entirely.

How it works

Live in minutes, not months

No engineers, no long onboarding. Most teams launch on day one.

  1. 01

    Add your sources

    Drop in docs, paste a URL or connect your help center. We handle chunking and indexing.

  2. 02

    Customize your agent

    Set the tone, instructions, colors and actions. Test it in the playground before going live.

  3. 03

    Deploy & improve

    Embed on your site or connect channels. Review chats and refine answers as you grow.

Integrations

Works with the tools you already use

Connect your stack in a few clicks, or build anything with our API and webhooks.

S
SlackMessaging
W
WhatsAppMessaging
Z
ZendeskHelpdesk
S
StripePayments
S
ShopifyE-commerce
N
NotionKnowledge
Z
ZapierAutomation
H
HubSpotCRM
S
SalesforceCRM
M
MessengerMessaging
C
Cal.comScheduling
W
WordPressWebsite

Browse all 40+ integrations

Customers

Loved by support teams

Teams of every size use ReplyHarbor to answer faster and scale without hiring.

−99%first-response time
"We cut first-response time from 4 hours to 4 seconds. Our agent now resolves 80% of tickets without a human."
MR
Maya RodriguezHead of Support, Lumora
1 dayfrom signup to launch
"Setup took one afternoon. The analytics showed us gaps in our docs we never knew existed."
DK
Daniel KimCX Lead, Pinecrest
30countries served natively
"Customers in 30 countries get answers in their own language. It feels like we tripled the team overnight."
SA
Sara AhmedCOO, Orbitly
Book a demo

See ReplyHarbor working on your own support content

In a 30-minute call, we'll build a live agent on your website and show you how many tickets it could resolve.

  • A working agent trained on your website, built live
  • Estimated resolution rate and hours saved for your team
  • Walkthrough of AI Actions, integrations & security
  • A plan tailored to your conversation volume
30 minutes With a product specialist

We'll reply within one business day to pick a time.

FAQ

Frequently asked questions

What is ReplyHarbor?

ReplyHarbor lets you build an AI agent trained on your own content and deploy it to your website and messaging channels to answer customer questions and take actions automatically.

What data can I train my agent on?

Files (PDF, DOCX, TXT, CSV), website URLs and sitemaps, Notion, Google Drive, help centers, and custom Q&A pairs.

Does it support multiple languages?

Yes. Your agent understands and replies in 95+ languages, even if your training data is only in English.

Is my data secure?

Your data is encrypted at rest and in transit, stored on secure infrastructure, and never used to train third-party models. We're SOC 2 Type II and GDPR compliant.

Can the agent hand off to a human?

Absolutely. Set escalation rules and the agent will route conversations to your team via Zendesk, Intercom, Slack or email with the full transcript.

How long does it take to go live?

Most teams launch the same day. After your demo, a product specialist helps you connect your sources and channels.

Still have questions?

Make customer support your superpower

See it working on your own content in a 30-minute demo.

Book demo

30-minute call · Live agent built on your site · No commitment