Agent API: A managed runtime for agentic workflows

Perplexity has released the Agent API, a managed runtime for building agentic workflows that combines search, tool execution, multi-model orchestration, retrieval, monitoring, and custom integrations through a single endpoint. Unlike conventional deterministic computing or simple model-routing services, the API uses frontier language models to plan tasks, select and execute tools, evaluate results, and iterate toward an objective, such as combining CRM history with web research for sales-call preparation. It includes built-in web_search and fetch_url tools with filtering and content controls, while custom functions can connect agents to proprietary databases, backends, and APIs. The model-agnostic platform supports fallback chains for high availability and offers transparent, continually updated presets for use cases ranging from quick factual queries to deep institutional research, including the Deep Research 2.0 engine that conducts extensive multi-step searches and source analysis.

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