Getting started
Do I need to write code to use Nixflex?
Do I need to write code to use Nixflex?
How long does it take to get set up?
How long does it take to get set up?
You can have an agent answering real calls in a few minutes. The Quickstart walks through it end to end.
Do I need my own phone number?
Do I need my own phone number?
Yes — Nixflex is bring-your-own-carrier. Your numbers stay in your own Twilio or Telnyx account, and you connect them to Nixflex. See the Quickstart.
Which carriers are supported?
Which carriers are supported?
Twilio and Telnyx. Everything works the same on either one. See Phone numbers.
Capabilities
Can it handle both inbound and outbound calls?
Can it handle both inbound and outbound calls?
Yes — the same agent handles inbound calls and outbound calls.
Can one number do voice and text?
Can one number do voice and text?
Yes. The same number is a call agent and an SMS agent — when someone texts, your AI replies automatically. See SMS agent.
Can the agent book appointments?
Can the agent book appointments?
Yes, when you connect a calendar. The agent checks availability and books live during the call. See Cal.com or Google Calendar.
What languages are supported?
What languages are supported?
Fifteen languages, with automatic switching across ten of them. Arabic, Hebrew, Korean, Chinese, and Polish are fully supported but the agent must be locked to them. See Languages.
Can visitors talk to the agent on my website?
Can visitors talk to the agent on my website?
Yes — add the web agent for voice and chat in the browser, no phone number needed. See Web agent.
Pricing and billing
How much does it cost?
How much does it cost?
Voice is a flat $0.08 per minute. Calls someone listened to with Live Monitor, and calls placed from the browser, bill at $0.09 per minute - enabling either feature costs nothing, and calls that do not use it stay at $0.08. Web chat is $0.01 per message. Full detail on the Pricing page.
Are there setup fees or monthly minimums?
Are there setup fees or monthly minimums?
No setup fees, no monthly minimums, and no per-feature charges. See Pricing.
How does billing work?
How does billing work?
Pay-as-you-go from a credit balance you top up (minimum $5), with optional auto-top-up so you never run out mid-call. See Pricing.
What do I pay my carrier directly?
What do I pay my carrier directly?
Phone numbers, carrier voice minutes, and SMS messages are billed by your own Twilio or Telnyx account — Nixflex never marks them up. See Pricing.
How do I check if Nixflex is up?
How do I check if Nixflex is up?
Our live status page shows per-service uptime for the API, engine, dashboard, and docs, with our own daily history going back 90 days and any incidents as they happen. Worth bookmarking before you need it.
How is my data protected?
How is my data protected?
Your data is isolated at the database level, encrypted in transit and at rest, stored in the EU, and backed up daily. You can erase any call - record, transcript, and recording - with a single API request. Full detail on our Trust and Security page.