SignalWire AI Agent API
Developer platform combining carrier-grade call control, direct-media AI pipelines, telephony, tools, and an open-source Python agents SDK.
- Pricing at a glance
- Usage-based AI, telephony, number, model, and optional service costs
- Starting price
- Usage-based
- Setup
- Developer build
- Pricing model
- Usage Based
- Try it
- Public web demo
Explore the vendor's configured voice-agent example.
Your call routing and custom application behavior remain untested.
At a glance
Calls & telephony
- DetailCalls
Inbound & outbound
- SupportedHuman handoff
Yes
- SupportedPhone numbers included
Yes
- SupportedBring your own carrier
Yes
- SupportedSIP trunking
Yes
Buy numbers in-platform; BYOC and SIP endpoints/gateways supported
Trust & access
- With conditionsHIPAA
Enterprise plans
BAA via sales; price not published; BYO carrier outside BAA scope
- SupportedSOC 2
Type II
- Not publishedGDPR
Not published
- DetailLanguages
Multilingual
- Not publishedFree to start
Not published
- SupportedDeveloper API
Yes
Morak scorecard
How we score →- Ease of setupDeveloper build
Expect developers to build call logic, integrations and deployment.
- Pricing transparencyNo public rates
Billed by usage, but rates depend on the models and carriers you pick.
- Try before you buyWeb demo
A public web demo shows the experience, not your own setup.
- Call & telephony controlFull control
Documented: inbound, outbound, human handoff, phone numbers, bring-your-own carrier and SIP.
- Compliance readinessGood
Published: SOC 2 Type II and HIPAA on enterprise plans.
- Integration coverage2 of 4 covered
Connects to phone system and automation or API. Not listed: customer records (CRM, EHR or POS) and calendar.
Typical score among developer APIs
Build custom agents close to call control
What you get
Use telecom capabilities and agent APIs or SDKs for programmable voice workflows.
What to account for
Engineers still own the application and telecom obligations. A working demo does not establish your integration or routing rules.
Best for
- Telephony developers
- AI IVR
- Deterministic call control
- Python voice agents
Not a fit for
- Non-technical teams wanting a finished agent
- Buyers needing one bundled provider
- Projects without telecom compliance ownership
What the platform provides
- Telephony controls
- Call state, SIP and PSTN, messaging, deterministic controls and failover for AI IVRs and phone agents.
- Application development
- Prompts and tools run in the communications control plane, with an open-source Python SDK.
Connections & compatibility
Telephony
- PSTN
- SIP
- WebRTC
- SignalWire Markup Language
Automation & APIs
- Python Agents SDK
- MCP
- Custom APIs
Data access & permissions
What an agent built on SignalWire AI Agent API can touch once deployed. These are the first questions a security review will ask.
- Reads customer dataYes
- Writes to your systemsYes
- Sends messagesYes
- Triggers workflowsYes
- Records callsYes
- Needs API keysYes
- Human approval stepYes
Use scoped project tokens, authenticated webhooks, deterministic tool exposure, redacted DTMF for sensitive data, recording consent, telecom registration, and strict outbound authorization.
Pricing & terms
SignalWire pricing is component-based across AI, telephony, phone numbers, messaging, recording, and selected models. Verify current product pricing for the chosen geography and stack.
Before committing
Fail a tool or carrier connection. Inspect call recovery, transfer behavior and the logs available to the team maintaining the SDK deployment.
How it compares
Side by side with two alternatives buyers weigh against it, on the same facts and scorecard.
| Detail | SignalWire AI Agent API This productDeveloper platform combining carrier-grade call control, direct-media AI pipelines, telephony, tools, and an open-source Python agents SDK. | Similar product Voice-agent platform combining orchestration, models, telephony, numbers, and carrier infrastructure. | Similar product Telephony and communications platform that developers can combine with AI models to build custom voice agents. |
|---|---|---|---|
| Starting price | Usage-based | Usage-based | From $0.014/min |
| Free to start | Not published | Free credits | Free trial |
| Calls | Inbound & outbound | Inbound & outbound | Inbound & outbound |
| HIPAA | Enterprise plans | BAA available | Enterprise plans |
| Morak scorecard How we score | |||
| Ease of setup | 2 of 5, Developer build | 2 of 5, Developer build | 2 of 5, Developer build |
| Pricing transparency | 2 of 5, No public rates | 2 of 5, No public rates | 5 of 5, Plans published |
| Try before you buy | 3 of 5, Web demo | 4 of 5, Self-serve trial | 4 of 5, Self-serve trial |
| Call & telephony control | 5 of 5, Full control | 4 of 5, Broad | 5 of 5, Full control |
| Compliance readiness | 4 of 5, Good | 5 of 5, Strong | 5 of 5, Strong |
| Integration coverage | 3 of 5, 2 of 4 covered | 3 of 5, 2 of 4 covered | 4 of 5, 3 of 4 covered |