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AI Agent API - Features | SignalWire

Everything You need to Build Real-Time Voice Agents

From transcription and translation to live data access and memory, SignalWire’s Agent SDK gives you full control. No telecom setup or glue code required.

Live_Transcribe & Live_translate
Live_Transcribe & Live_translate

Convert speech to text instantly during live conversations to enable visibility, compliance, and downstream automation.

Multi-Agent Architecture
Multi-Agent Architecture

Host multiple agents on a single serve. Transfer callers between them with context intact.

Live Backend Integration
Live Backend Integration

Call external APIs mid-conversation to fetch data, trigger actions, or update systems without using webhooks or glue code.

Knowledge Retrieval
Knowledge Retrieval

Pull accurate answers from vectorized PDFs, wikis, or structured docs to ground agent responses and reference company level information.

Native Telecom
Native Telecom

Native support for SIP, PSTN, WebRTC, and SMS with no need to configure carriers or media servers.

Modular Agent Logic
Modular Agent Logic

Compose agent behavior using reusable tools, skills, and contexts. Add or swap logic without rewriting your app.