tech
March 11, 2026
Agent API: A Managed Runtime for Agentic Workflows
Today we are releasing the Perplexity Agent API, a managed runtime for building agentic workflows with integrated search, tool execution, and multi-model orchestration.

TL;DR
- The Perplexity Agent API is a managed runtime for building agentic workflows.
- It integrates search, tool execution, and multi-model orchestration into a single API.
- The API replaces model routers, search layers, embedding providers, sandbox services, and monitoring stacks.
- It operates on an agentic loop compute model where a language model plans and executes tasks.
- The API supports model-agnostic orchestration with fallback chains for high availability.
- Built-in tools include web_search and fetch_url with advanced filtering options.
- Developers can also connect custom functions to their own backends and APIs.
- Optimized frontier model presets are available for specific use cases like factual lookups and deep analysis.
- The Deep Research 2.0 preset powers Perplexity's consumer product for multi-step reasoning.
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