What changed in Wixzel Voice

Soniox TTS v2 on the classic engine, soniox/tts-rt-v2. Its voices speak every language it supports, Malayalam, Telugu, Kannada and Urdu included, so Soniox can both hear and speak for one agent. Read more

Voice engines, carriers and apps as filterable catalogs: /engines has each engine with the models it allows and its price per minute, /carriers each carrier's own published prices, and /apps the app directory. /models opens /engines. Read more

OpenAI GPT-Live as a voice engine, openai_live. GPT-Live listens and speaks, and the language model you choose on the agent writes the answers. Read more

More models on the classic engine: ElevenLabs Scribe v2 Realtime and Soniox for speech-to-text, and ElevenLabs v4 and v3, Gemini 3.8 Flash TTS and Flash-Lite TTS, Azure neural voices, Cartesia Sonic 3.6 and Inworld TTS 2 for speech. Classic speaks Telugu, Kannada, Bengali, Marathi, Gujarati, Punjabi, Assamese, Urdu, Malayalam and Odia when the agent's models do. Read more

Sarvam: Bulbul v4 Flash voices, Hinglish ones included, and Saaras v4 as the default speech-to-text. Read more

Language models: GPT-6 Luna is the default, and GPT-6.1 Terra, Mercury 3, Grok 4.3, Gemini 3.6 Flash, Gemma 4 26B A4B, Nemotron 3.5 Lightning, GPT-OSS 120B, Qwen3.7 Flash and MiMo v2.6 Flash can be chosen. On calls every model is asked for the least reasoning it allows, so answers start sooner. Read more

Announced model shutdowns apply on their date: agents on Claude Sonnet 4.5 move to Sonnet 5.5 on 30 November 2026, and agents on GPT-4o mini, GPT-4o or GPT-4.1 mini move to GPT-6 Luna on 14 January 2027. Read more

Buy Exotel numbers on your own Exotel account, from the console or with POST /v1/phone-numbers/purchase. In beta. Read more

Mobily is in Connect a carrier, set up by hand. Read more

Telnyx connections set up from the console keep their media in Mumbai, which Telnyx's Indian mobile numbers need, and the SIP trunk guide explains India's rules for automated calls. Read more

A setup guide for Mobily SIP Trunk in Saudi Arabia. Read more

The site and console are in Spanish, Arabic, Hindi, Japanese, Korean and Traditional Chinese as well as English, from the language menu.

Recording links work for classic, Deepgram Agent and Sarvam calls. A trunk password changed with PATCH /v1/sip-trunks/{id} is saved, and a default_caller_id with spaces is reduced to digits or refused with invalid_caller_id.

Security hardening: a number another account holds is refused unless its carrier confirms it, webhooks and webhook tools are always signed, OAuth consent shows every scope it grants, idle connector keys expire after 90 days, console and sign-in pages cannot be framed, and closing an account also deletes its voices, carrier connections and logs. Read more

Metered seconds round up once per call instead of on every five-second tick. Work outside a call, such as post-call analysis, building an agent or mascot, importing knowledge and voice previews, is charged for its provider usage at the same rates with no orchestration fee. API requests past 100,000 a month are charged from November 2026. Read more

wixzel-voice 0.13.0, wixzel_voice 0.11.0 and wixzel-voice-mcp 0.11.0: meetings, with signed-in bots. Read more

The site and console load no third-party analytics or scripts. The privacy policy says what is counted and what the browser stores. Read more

WhatsApp: connect a business number through Meta, and an agent answers its chats and voice notes. During a call an agent can send the caller a template, a knowledge-base file or a reminder, and booked appointments get a confirmation and a reminder. $0.002 per message; Meta bills its own fees to the business. Read more

Write and delete WhatsApp message templates in the console or with POST /v1/whatsapp/templates and DELETE /v1/whatsapp/templates/{id}. A new template goes to Meta for review. Read more

Meetings: send an agent into a Zoom, Google Meet or Teams meeting through your own Attendee account with POST /v1/meetings. It speaks when someone names it, and is billed like a web session from the moment it is in the meeting. Read more

Meeting bots can join Google Meet and Teams signed in, as an account set up in your Attendee, with signed_in_bots on the integration or signed_in on one meeting. Read more

wixzel-voice 0.11.0, wixzel_voice 0.9.0 and wixzel-voice-mcp 0.9.1: WhatsApp numbers, templates, messages and conversations. Read more

Every agent has a mascot, in its mascot field, starting with the default green look. POST /v1/agents/generate makes an agent, its knowledge base and its mascot from a website. /v1/mascots is gone: use PATCH /v1/agents/{id}/mascot and POST /v1/agents/{id}/mascot/generate. Share links and widgets keep their ids. Read more

Callers: see who called through the share link, the website widget, the app or your phone number, with an approximate location, browser, device and page. Choose who can call (anyone, a name and contact, or Google sign-in) and block callers per agent. GET /v1/callers and Call.caller. Read more

wixzel-voice 0.10.0 adds wixzel-voice/mascot, which draws an agent's mascot in a web page and lip-syncs it to a live call. wixzel_voice 0.8.0 adds callers, and wixzel-voice-mcp 0.8.0 adds caller tools. Read more

wixzel_voice_flutter 0.1.0 on pub.dev: AgentMascotView draws an agent's mascot in a Flutter app, and MascotRealtimeLink lip-syncs it to a realtime call. Read more

Share links open in the Android app when it is installed.

Search and filter calls by who called, where from, their device and the source (share link, website, app or phone), and export the matching calls as CSV. GET /v1/calls takes the same filters. Read more

Knowledge bases take documents: upload PDF, DOCX, TXT, MD, CSV or HTML files and agents search them during calls. A knowledge base can be drafted from a website or a document first. Read more

Agent tools: webhook tools call your server during a call, and client tools run in the caller's app or on your website. Create them with /v1/tools. Read more

Mascots: an animated face for an agent, built from a website or a description, that people can call from a share link or a widget on your website. Public calls are billed to you within caps you set. Read more

New agents start from your website or one of eight templates, and the agent editor has a test panel. A new account starts by turning its website into an agent with a mascot.

Ring a phone in the agent editor now places a real call with the agent, in its own engine and voice.

Models: ElevenLabs v4 Turbo and v3 Conversational stream on the classic engine, Sarvam's Saaras v4 can be chosen, and agents saved on the retired Gemini 2.5 Flash models run on their replacements. Read more

wixzel-voice 0.7.0, wixzel_voice 0.6.0 and wixzel-voice-mcp 0.6.0: mascots, tools and knowledge-base documents. Read more

The Wixzel Voice app for Android, for owners: set up an agent from your website, connect a carrier and numbers, see calls, and share the mascot. Credit is added on the web. It is not on Google Play yet.

A press page with logos, brand images and a description to quote. Read more

A light theme. The site and console follow your system, with a Light, Dark or System switch.

The /mcp page installs the MCP server in your assistant, most in one click or one command, including Claude Code, Codex and Cursor. Read more

Buy a number on your own Twilio, Telnyx, Plivo, Vobiz or Vonage account: search with GET /v1/sip-trunks/{id}/available-numbers and buy with POST /v1/phone-numbers/purchase. Your carrier bills it at its own price. Read more

wixzel-voice 0.6.0, wixzel_voice 0.5.0 and wixzel-voice-mcp 0.5.0: voice cloning and buying numbers. Read more

Voice cloning: make a voice from your own recordings with POST /v1/voices and give it to an agent. ElevenLabs clones speak on the classic and deepgram_agent engines, Sarvam clones on sarvam. $1.00 per clone, up to 3 per account. Read more

Integrations reads an app's tools from its MCP server and shows them before you connect it. Read more

Integrations has an app directory: connect HubSpot, Cal.com, GoHighLevel, Stripe, Razorpay and about 30 other apps with official MCP servers without looking up their URL or sign-in details. Read more

The carrier setup guides moved from /integrations to /carriers. Old links redirect. Read more

Called Wixzel Voice again, at voice.wixzel.com. Links to phone.wixzel.com redirect, and api.phone.wixzel.com and mcp.phone.wixzel.com keep serving.

Packages renamed to wixzel-voice and wixzel_voice 0.4.0, and wixzel-voice-mcp 0.4.0. The old client class names stay as deprecated aliases. Read more

Self-host license: run Wixzel Phone on your own servers, $499 once. Read more

The realtime API: put an agent in a web page or an app over a WebSocket, with no SIP trunk and no phone number. Read more

SDKs 0.3.0, with realtime clients for browsers and Flutter, and MCP server 0.3.0, which can mint realtime sessions.

Webhooks on /v1, signed with X-Wixzel-Signature, with a delivery log you can read. Read more

The metadata you attach to POST /v1/calls is stored and echoed back on the call and in its webhooks.

SDKs 0.2.0 and MCP server 0.2.2: webhooks, engine languages and voices, and test calls.

Human transfer: an agent can hand a live caller to a person you listed, as a blind transfer over your trunk. Test calls with POST /v1/agents/{id}/test-call. Read more

Compose your own engine: name the speech-to-text, language and text-to-speech models on each agent, and be billed for the models you named. Read more

Renamed to Wixzel Phone, at phone.wixzel.com.

Terms of Service, Privacy Policy, Acceptable Use Policy, Credits and Refunds policy and Data Processing Addendum published. Read more

Delete a call with its transcript and recording through DELETE /v1/calls/{id}, and close an account, with everything in it, from the console.

The MCP server: connect Claude Code, claude.ai or Claude Desktop to the API with OAuth sign-in or a bearer key. Read more

Official SDKs for TypeScript on npm and Dart on pub.dev, 0.1.0, covering every /v1 endpoint. Read more

Carrier setup guides for Telnyx, Plivo, Vonage, Bandwidth, Exotel and Vobiz, alongside Twilio. Read more

Failed calls explain themselves: failure_code (the carrier's Q.850 cause) and failure_reason (what to do) on every call that did not connect. Read more

Diagnose a SIP trunk from the API with GET /v1/sip-trunks/{id}/status, GET /v1/sip-trunks/{id}/logs and POST /v1/sip-trunks/{id}/test.

SIP trunks return origination_uri, the address your carrier sends inbound calls to. Read more

Calls carry cost_micros, what the call cost, once it settles.

Sign out of every console session at once.

Security hardening: TLS redirect and HSTS on the API, stored third-party credentials encrypted, webhook URLs that point inside the network refused, and inbound SIP rate-limited per source. Read more

API request logs in the console, one row for every /v1 request with its status and error code.

SIP trunks gained send_plus, to dial bare digits for carriers that cannot parse a leading +. Read more

Every SIP trunk returns platform_ip, the address to allowlist at your carrier. Read more

The developer console: sign up, create API keys and add credit without the API.

Wixzel Voice launched: the /v1 API with scoped API keys, four voice engines (classic, sarvam, gemini_live and deepgram_agent) over your own SIP trunk, and prepaid credit metered per second. Read more

Credit top-ups through Dodo Payments, as merchant of record. Read more

The documentation site, with an API reference generated from the OpenAPI document. Read more