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Customer service 2026 Rank: #1744

RespondThat ✓

AI that handles email, calls & WhatsApp, 24/7

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AIAssistant API Multichannel
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NoSubscription PayPerUse WhatsApp Customer-service
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Trial; then from $0.20

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Verdict

A quick read before you dig into the full page.

Best if
AI that handles email, calls & WhatsApp, 24/7
Skip if
Pay-per-use can be expensive
Pick this when
Manages email and phone communication

Considering Invent | AI Customer Support Agents for any channel instead? Compare side by side

Overview

RespondThat is a pay-per-use AI that handles customer email, voice calls, and WhatsApp in your brand voice — across three channels, in one tool. Instead of a monthly subscription or per-seat fee, you pay only when a customer actually writes: $0.20 per email reply, per voice minute, or per WhatsApp session, with prepaid credits and no contract.

It understands and replies in English, Spanish, Portuguese, French, and German, automatically matching each customer's language, with built-in safeguards that protect personally identifiable information (PII).

There's no setup project: connect your email, phone, or WhatsApp account and it begins managing your communication queue. You can add brand voice, policies, and language preferences so responses always reflect your context, monitor usage in real time, and top up credits as needed.

RespondThat is built for businesses that want AI customer communication without committing to a fixed monthly SaaS bill.

RespondThat website

Access & connections

Where you can use RespondThat, and what it plugs into.

Platforms

Web

Integrations

WhatsApp MCP

API

Public API available

Browse other tools with an API

Capabilities

What this tool accepts, produces, and is strongest at.

Input

  • API
  • Tabular
  • Text

Output

  • Audio
  • Text

Highlights

  • SOTA
  • Agents
  • MCP
  • API

Supported features

  • Agents
  • MCP
  • API

Models

Text

Gemini Embedding 2

Image

Gemini Embedding 2

Audio

Gemini Embedding 2

Video

Gemini Embedding 2

Pros & cons

Pros

  • Manages email and phone communication
  • Customizes replies with brand voice
  • Uses policy guidelines for replies
  • 24/7 call handling
  • Multilingual support
  • Charges per email reply
  • Charges per voice minute
  • Privacy-conscious with PII safeguards
Show 40 more
  • No setup requirement
  • Adherence to user defined policies
  • Usage monitoring features
  • Cost-effective solution
  • Email and phone in one tool
  • Understands native language input
  • Unlimited email replies
  • Unlimited voice minutes
  • Real policy-based responses
  • Email replies with user's brand
  • 24/7 customer communication service
  • Supports multiple languages
  • Pay-per-use charging
  • Trial mode available
  • Compliant by design
  • PII leak prevention
  • Connects with customer's email and phone
  • Customer data protection
  • Customer language detection
  • Inbuilt brand voice & knowledge
  • Blockchain for personal data
  • Handles communication queue
  • Fast and easy setup
  • Automates customer communication
  • Drafts based on factual context
  • No per-agent seat charges
  • No monthly fee
  • On-the-go credit top up
  • Live in minutes
  • Invoice-free payment model
  • Built for online sellers
  • Picks phone in multiple languages
  • Direct customer data use
  • Voice add-on
  • Customizes emails in brand tone
  • Pay when needed
  • Priority drafting
  • Top up from $10
  • Volume rate for calls
  • Grounds reply on real contexts

Cons

  • Limited language support
  • Pay-per-use can be expensive
  • Requires continuous credit top-ups
  • May not replicate brand's voice perfectly
  • Potential delay due to editing drafts
  • Limited to email and phone
  • Not suitable for extensive customer service
  • Lacks wider range of integrations
Show 2 more
  • Doesn't work with all eCommerce platforms
  • Calls only available on early access

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Releases 1

Initial release July 30, 2026 Current
Initial release of RespondThat.

FAQ 12

What is RespondThat?
RespondThat is an artificial intelligence tool made for online vendors to manage customer interaction via two main routes: emails and phone calls. It not only drafts precise email responses using the user's brand voice and policy rules, but it also accommodates customer phone calls at any time, in several languages. It functions on a pay-per-use model, costing per email reply or per voice minute used, and is hyper-aware of privacy, implementing protections for personally identifiable information. There are no setup prerequisites; just connect your email and phone number to the service, and it takes over the management of your communication queue.
How does RespondThat manage customer communication?
RespondThat manages customer communication by combining email and phone channels into a single tool. It drafts accurate email replies using the vendor's brand voice and policy guidelines, and can handle customer calls at any given time. It ensures a consistent brand voice across both channels and also responds according to context set by the user.
Which languages does RespondThat support?
RespondThat supports multiple languages including English, Spanish, Portuguese, French, and German. It uses the language of the customer's input when issuing responses.
How does RespondThat charge for its service?
RespondThat operates on a pay-per-use model, charging its users per email reply or voice minute used. This means there are no monthly or per-seat subscriptions, allowing users to pay only for what they actually use.
What are the privacy features of RespondThat?
RespondThat has built-in safeguards to protect personal identifiable information. It is designed with a privacy-first mindset where it prevents potential leaks of personal data before anything is sent or spoken.
What are the setup requirements for RespondThat?
There is no setup requirement for RespondThat. Users only need to connect their email and phone number with the tool and it begins managing their communication queue.
How does RespondThat use brand voice and policy guidelines?
RespondThat uses brand voice and policy guidelines to draft appropriate responses to emails. It utilizes the existing brand voice, policies, and language preference settings of the user to form its responses. In essence, the responses reflect the brand's own tone-on-voice and adhere to its policies.
How does RespondThat handle emails and calls?
RespondThat drafts email replies in the brand's voice, grounded in real policies and order data ensuring the responses remain factual and on-tone. In addition to emails, it can handle customer phone calls 24/7 and resolve common queries like order status, returns, and store information without human intervention.
Is RespondThat available 24/7?
Yes, RespondThat is available around the clock for handling customer emails and answering calls in different languages. It operates on a 24/7 basis.
How can RespondThat be considered cost-effective?
RespondThat is considered to be cost-effective because it charges per email reply and per voice minute used rather than requiring a monthly or per-seat subscription. This means users only pay for what they actually use, avoiding unnecessary subscription costs.
How can users monitor usage and top up credits in RespondThat?
Users can observe their usage and add more credits whenever necessary with RespondThat. The service includes a usage dashboard where users can monitor and manage their credit levels.
Is RespondThat suitable for all kinds of online sellers?
RespondThat is suitable for all types of online sellers. It is designed to manage customer communication across different selling platforms like Amazon, Shopify, Etsy, eBay, and TikTok Shop. It is flexible and customizable to each seller's unique requirements.
RespondThat Trial; then from $0.20
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