Learn to Build AI Phone Agents
Everything here shows you how to build an AI phone agent with Flowyte, the AI agent studio for phone and chat. You describe your business, AI drafts the agent, and you shape it in plain English - then publish it to your number and website chat.
The guides are written for the people who actually pick up the phone: owners and operators who want calls answered around the clock, and developers who want to drive the same agent from the API.
Every walkthrough is written and tested against the shipped product by the team that builds it, with screen recordings from the real studio - not mockups.
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Build an Agentic AI Phone Agent with Flowyte
Describe your phone agent in plain English, then review, customize, test, and launch it in the Flowyte studio. A no-code, step-by-step guide.
Give Your AI Phone Agent Skills with Flowyte
Build AI phone agent skills with no code in Flowyte. Let your agent collect details, send an email or text, transfer, or look up records — all in plain English.
How to Use the Flowyte API to Build AI Phone Agents
Flowyte is API-first: create, configure, publish, and test an AI phone agent over the API with a scoped key — or let an AI coding agent build it for you.
Read the docs
The full developer documentation: every endpoint, guide, and reference at docs.flowyte.com.
Evaluating for your business?
You're calling a real Flowyte agent. Standard rates apply.
The AI Answering Service for a Real Estate Brokerage (A Day and a Night of Leads)
Watch a real estate answering service run a brokerage's phone, day and night — answering listings, booking showings, capturing leads, and paging the on-call agent for an after-hours buyer.
After-Hours Emergency Call Handling: Triage, On-Call Routing, and Warm Transfer
It's 11:47 PM and a pipe bursts. See how an AI front desk triages after-hours emergencies, books routine jobs, and warm-transfers the real ones to a person.
AI Receptionist vs Human Receptionist: Cost, Coverage, and When You Still Want a Person
AI receptionist vs human receptionist is a staffing question, not a fight. See what each does best on cost, coverage, and judgment — and why you don't have to choose.
The AI Answering Service for an HVAC Company (A Day and a Night of Calls)
Watch an AI answering service run an HVAC company's phone across a day and a night — booking a tune-up and routing an 11 PM gas-smell call to the on-call tech.
The AI Answering Service for a Plumbing Company (A Day and a Night of Calls)
Watch an AI answering service run a plumbing company's phone for a day and a night — quoting, booking, capturing leads, and routing a 2 AM emergency to a person.
Let an AI Assistant Build Your Voice Agent — Securely, in Your Tenant
Hand an AI assistant only the keys you choose. From any MCP client it builds a voice agent in your tenant through real operations — live only when you approve.
Flowyte MCP Server: Let Your AI Agent Manage Your Phone Agent
The Flowyte MCP server lets any MCP client — like Claude Code — configure, publish, and manage your AI phone agent over the Model Context Protocol, with your scoped key and the same authorization the dashboard uses.
Build an AI Agent With No Code — Describe It, Assist Builds It
Describe your business in one sentence and AI Assist drafts a working no-code AI agent for phone and chat in about a minute — then refine it by talking.
How to Analyze Every Call Your AI Agent Handles (Full Walkthrough)
A full walkthrough of conversation intelligence and call analytics for your AI phone and chat agents — from containment at a glance to per-call receipts.
Call Center Metrics That Matter (and the Dashboard to Track Them)
The call center metrics and KPIs worth tracking for an AI phone agent — containment, topics, sentiment, cost per conversation — and how to build a dashboard to watch them.
Connect HubSpot to Your AI Phone Agent
Connect HubSpot to your Flowyte AI phone agent in about two minutes. It greets returning callers, looks up records mid-call, and logs calls to HubSpot for you.
Add SMS to Your AI Agent: Inbound Texting Setup
Add inbound SMS to your Flowyte AI agent so it texts customers back automatically. See the carrier-approved 10DLC setup, TCR registration, and exact fees, explained plainly.
AI Agent Guardrails: Rules Your Voice Agent Cannot Break
AI agent guardrails are deterministic never-do rules your voice agent cannot break, enforced on every call. See how they hold and the pre-publish report.
What Is an AI Phone Number? How to Get One and What It Costs
An AI phone number is a real phone line answered by an AI agent. Learn how to get one for $2 a month, what calls cost at $0.11 a minute, and what it can do.
How Much Does an Answering Service Cost? Real 2026 Prices
Real answering service costs for 2026: live services run $300-2,100/mo, flat-rate AI $29-99/mo, and credits-based AI about $33/mo for 100 calls. See the math.
Build an AI Answering Service for Your HVAC Company
An AI answering service for your HVAC company: it answers every after-hours call, triages by your rules, books routine visits, and warm-transfers emergencies.
15 Professional Business Voicemail Greeting Examples
15 professional business voicemail greeting examples you can copy and paste, grouped by use case, plus a way to stop sending callers to voicemail at all.
Connect Your AI Phone Agent to Your Database
Connect your AI phone agent to your Postgres or MySQL database so it answers order status and account lookups live on the call - no code, just a form.
How to Edit Your AI Agent in Plain English
Change a live AI agent by typing what you want: add a Spanish greeting, set a never-do rule, review the change chips, and publish with a pre-flight report.
How to Build an AI Voice Agent in 6 Steps
How to build an AI voice agent in six steps — describe it, review the draft, add knowledge and skills, test it, then publish with a pre-flight report.
Warm Transfer vs Cold Transfer: Differences and When to Use Each
A warm transfer briefs the next person before connecting the caller. A cold transfer sends the call blind. See the differences, and when each one is right.
What Is an Answering Service? Types, Costs, and the AI Shift
An answering service answers business calls when your team can't. Compare human, IVR, and AI types, what each costs, and how to tell when you need one.
What Is Call Screening? How It Works and Why It Matters
Call screening checks who's calling and why before you answer. How human, carrier, and AI screening work — and how AI screening qualifies and routes callers.
What Is IVR (Interactive Voice Response)? A Plain-English Guide
IVR (interactive voice response) is the automated phone menu that answers and routes calls. How IVR works, its history, and where AI voice agents fit now.
Set Business Hours So Your AI Answering Service Works After Hours
Set business hours in Flowyte and choose what your AI answering service does after hours: closed messages, emergency lines, and skills that book jobs at 1 AM.
How to Choose Your AI Voice Agent's Voice in Flowyte
Choose your AI voice agent's voice: preview 300+ voices, filter by accent and tone, describe what you want in plain English, and map one to every language.
Flowyte Playbooks: Repeatable Call Procedures for AI Phone Agents
Playbooks give your AI phone agent a fixed procedure it runs the same way on every call. Learn when to use one, and how we built two for a real pizza shop.
Say It or Press It: DTMF Keypad Input for AI Phone Agents
Let callers say a value or press it on the keypad. How DTMF keypad entry on a Flowyte Collect step captures zip codes and order numbers without mistakes.
Build an Agentic AI Phone Agent with Flowyte
Describe your phone agent in plain English, then review, customize, test, and launch it in the Flowyte studio. A no-code, step-by-step guide.
Give Your AI Phone Agent Skills with Flowyte
Build AI phone agent skills with no code in Flowyte. Let your agent collect details, send an email or text, transfer, or look up records — all in plain English.
How to Use the Flowyte API to Build AI Phone Agents
Flowyte is API-first: create, configure, publish, and test an AI phone agent over the API with a scoped key — or let an AI coding agent build it for you.
Give Your AI Phone Agent the Right Voice in 30+ Languages
Set up a multilingual AI receptionist: pick from 300+ voices, map one to each language, and let callers switch to Spanish mid-call - the agent follows.
Build an AI Dispatch Agent for Your Plumbing Business
Turn after-hours plumbing calls into booked jobs. Build an AI dispatcher that answers 24/7, books on Google Calendar, and transfers real emergencies fast.
Build an AI Receptionist in About a Minute
Build an AI receptionist free: describe your business or paste your website and Flowyte drafts it in under a minute. Shape it, test it, and publish when ready.
FAQ
AI phone agent questions, answered
The questions people ask before they build their first agent.
How do I build an AI phone agent without writing code?
How much does an AI phone agent cost to run?
Can the agent handle callers who speak other languages?
What if a caller presses a key instead of speaking?
Can callers still reach a human?
Put your first agent on a phone number
Describe your business, shape the agent in plain English, and hear it answer. Free credits at signup, no credit card required.
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