Pricing
Not listed
Official monthly price not confirmed
- API
- Docs index API Reference, SDK Reference, REST endpoints, WebSocket protocol messages, and integration guides.
Fixie Developer Portal
● Identity checkedVoice · Vendor site 2026-10-04
The Ultravox developer docs (Fixie successor) cover agents, calls, telephony, tools, voices, WebSockets, and API references for building on Ultravox voice AI. It is the official documentation hub linked from the Ultravox product site for integration and deployment guides.
- Category
- Voice
- Free access
- Documentation is publicly readable; product usage billing follows Ultravox account tiers on the main site.
- API access
- Docs index API Reference, SDK Reference, REST endpoints, WebSocket protocol messages, and integration guides.
Is Fixie Developer Portal right for you?
A good fit for
Engineers integrating Ultravox voice agents who need official API, telephony, and tooling documentation.
Before you choose
The portal documents platform capabilities but does not publish standalone documentation subscription pricing.
Official Ultravox developer docs
The Fixie developer portal now lives at docs.ultravox.ai with end-to-end guides for building, calling, and securing real-time voice agents on the Ultravox platform.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Documentation scope | Docs homepage indexes agents, telephony, tools, voices, WebSockets, API Reference, and SDK Reference sections. | Facts sourced | 2026-10-04 |
| Ultravox Realtime overview | Primary landing page is Overview: Ultravox Realtime with getting started and scaling guides. | Facts sourced | 2026-10-04 |
Understand the total cost
Fixie Developer Portal pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is Fixie Developer Portal used for?
The Ultravox developer docs (Fixie successor) cover agents, calls, telephony, tools, voices, WebSockets, and API references for building on Ultravox voice AI. It is the official documentation hub linked from the Ultravox product site for integration and deployment guides.
Does Fixie Developer Portal have a free plan?
Documentation is publicly readable; product usage billing follows Ultravox account tiers on the main site.. This record does not confirm an ongoing free plan.
How much does Fixie Developer Portal cost?
A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Fixie Developer Portal through an API?
Docs index API Reference, SDK Reference, REST endpoints, WebSocket protocol messages, and integration guides.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
The portal documents platform capabilities but does not publish standalone documentation subscription pricing.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.