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Building an AI Agent in Phonely

Step 1: Learn the concepts

Phonely combines a few different technologies together to create AI that accurately answers your phone. We have a few key components that make this happen.

Lets build your agent right now.

Building voice AI agents has never been easier. Get started in just a few simple steps to build the AI that can automate anything, repeatibly, every single time.

Pick a voice

Choose from thousands of pre-built voices, import from leading providers, or clone a custom voice in minutes to match your brand.Manage Your Ai Voices In Phonely Gi

Voice selection interface

Add your knowledge

Upload FAQs, SOPs, and docs to the knowledge base.
Phonely uses retrieval (RAG) to answer policy and product questions anywhere in the call.
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Knowledge base upload view

Design the flow

Use the visual Flow Builder to map greetings, questions, transfers, API calls, scheduling, and post-call actions. Learn best pracrices of flow building here.Flow Builder Canvas Pn

Flow builder canvas

Capture variables

Define what to collect (e.g., name, DOB). Mark key fields required and confirm spelling.
Use auto-gather to collect data exactly when the block needs it.
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Variable configuration panel

Transfer & escalate

Add warm transfers (with voicemail detection and fallback) or cold transfers.
Route by intent, person, or department to keep every call moving toward resolution.
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Transfer configuration options

Integrate actions

Use pre-built integrations like Google Calendar, or call your APIs with the API Request block.
Pass variables such as @name and @dob dynamically.
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API Request block configuration

Publish & test

Click Publish, hit Test, or call your provisioned number to hear your agent live.
Iterate fast and deploy instantly.
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Testing an agent in the dashboard

Once you’ve built and tested your first agent, you’ll start to see how flexible Phonely really is. Every block, variable, and integration can be iterated on in seconds, so you can continuously improve performance and add new capabilities as you scale. From here, you’re ready to explore the deeper concepts that power every Phonely agent: flows, outbound calling, and A/B testing.

Up next

Learn the core concepts used to answer millions of calls by selecting one of the following components below.

FAQ

Most users build a working voice agent in under 10 minutes using the Quick Start tutorial.
If you’re connecting integrations or APIs, expect another few minutes to authenticate and map variables.
You can connect multiple integrations inside a single flow. For example, pull appointment data from Google Calendar, send confirmations via SMS, and log the interaction in HubSpot, all in one call.
If you don’t see your integration listed, you can import any API directly from a cURL command to make it work instantly.
Yes. Use the Test button on the agent design page or call your assigned Phonely number. You can hear the agent in real time, confirm it follows your call flows, and review analytics immediately after.
Check the Call History tab to view transcripts, summaries, and reasoning for every decision the AI made.
From there, you can retrain your flow or tweak prompts.
Each call is logged with topic, sentiment, and variable data for easy troubleshooting.
You can forward, port, or provision a new number with Phonely.
Most users forward their existing line to their Phonely number during setup to start testing immediately.