Flow library
The flow behind Calls by LetBe.ai: a caller talks, the agent answers
Calls by LetBe.ai lets a business put a voice agent on its own website. It runs as a LetBe.ai flow: caller speech in, speech to text, a search of the business's pages and documents, a prompt with the goal and manners, a model, and speech back out. This page shows that chain.
Free to start. No card needed.
The block chain
Each caller turn goes round this loop until the call ends; the transcript is filed for the owner afterwards.
The caller's turn, from the call button on the business website.
Turns the turn into text, in the caller's own language.
Finds what the business's own pages and uploaded documents say about services, prices and hours.
Who the agent is, its greeting and manners, and the goal it is held to on every turn. Unknown answers become messages, never guesses.
Writes the reply from the found material and the goal.
Speaks the reply back in the chosen voice; the loop continues until the call ends.
Structure only. The instructions inside the Prompt blocks and the documents behind the search are the product's own and stay private; you write yours.
Try it, build it, keep what is yours
Build the same shape
Paste the description below into the portal's scenario builder. It drafts these blocks with empty prompts.
Fill the gaps yourself
Your instructions, your documents, your rules. The product's own prompt text is never published.
Build this shape in the portal
Open the portal, choose Describe, and paste this. The scenario builder drafts the blocks above with empty prompts, and you fill in your instructions, documents and rules.
Then test it in the chat console next to the canvas, and publish it as a live address or a shareable chat page. Free to start, no card, nothing to host. The AI flow builder page explains each block type.
Calls flow questions
Is this a phone line?
It is a call button on the business website, published from the owner dashboard. The same flow shape works for a phone line if you connect one through the API.
Where does the business knowledge come from?
From the owner's website address and uploaded documents, stored and searched by the document block. Unknown answers become messages, never guesses.
Can I build this without Calls?
Yes. Paste the description into the scenario builder, add your pages and documents, and test it in chat first. Calls by LetBe.ai adds the voice, the call page, the limits and the filed transcripts.
What does a call cost?
Prepaid credits per call, free to start. The owner sets the longest call and calls per visitor per day. The pricing page has the rates.
Free to start. No card, nothing to host. Pricing