How to choose an AI voice agent in Spanish: criteria for small businesses
Criteria to choose an AI voice agent in Spanish: voices and accents, actions on the call, WhatsApp, phone numbers, per-minute billing, testing and records.
Two kinds of tools
Developer platforms provide voice and telephony building blocks to assemble a custom agent; ready-to-use products are configured from a dashboard. A small business without a technical team usually moves faster with a ready product; a company with its own systems and developers gets more control from a platform.
Ten criteria to compare
| Criterion | What to ask | How Wenzy handles it |
|---|---|---|
| Voices and accents | Does it sound natural in your customers' accent? | 25+ voices with accents from Mexico, Colombia, Spain, Latin America, Brazil, the US and the UK |
| Languages | Does it switch language on the same call? | Spanish, English and Portuguese, switching automatically |
| Actions on the call | Does it only inform or also book, quote and reserve? | Books appointments, quotes and reserves rooms, sends WhatsApp and transfers |
| Do the call and the chat share history? | Same agent and the contact's same conversation | |
| Calendar and integrations | Does it write to your calendar or PMS? | Built-in calendar synced with Google Calendar and a connected hotel PMS |
| Numbers | Which countries have numbers? Can I keep mine? | Numbers in eight countries and your own SIP trunk |
| Billing | Minute bundles or pay as you go? | Prepaid balance from US$0.18/min, unanswered calls are free |
| Transfer | How does it hand off to a person? | With a briefing first, to a phone or a teammate in the browser |
| Testing | Can I hear it before going live? | Browser test or a call to your phone with a live transcript |
| Records | What's kept from each call? | Recording, summary, transcript, cost and dashboard metrics |
How to test before deciding
- 1Use your real callsWrite down the five questions you get most by phone and test them with real accents and background noise.
- 2Ask for a complete actionBook, reschedule or quote end to end, not just answer a question.
- 3Force a transferCheck what your teammate hears and what the customer hears while waiting.
- 4Review the recordsRecording, summary and transcript from each test.
- 5Estimate a month's costInbound and outbound minutes at your country's rate, plus the number fee.
Frequently asked questions
Which works better, a minute bundle or pay as you go?
With pay as you go you pay only for the minutes you talk. Wenzy bills per started minute from a prepaid balance and doesn't bill unanswered calls.
Do I need a developer to use Wenzy?
No. The agent is configured in the app and tested with a call to your own phone.
Can I start with WhatsApp and add voice later?
Yes. Each agent runs as text only, voice only or both, with the same prompt and knowledge base.
What doesn't Wenzy do on voice?
It doesn't clone voices instantly, port numbers or make WhatsApp calls, and it doesn't check external do-not-call registries.
TRY WENZY
Try the voice agent on your own phone
Create your free account: a 14-day trial with US$1.80 of voice balance and no card. Have the agent call you before you go live.
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