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Beyond Browsing: API-Based Web Agents

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arxiv 2410.16464 v3 pith:VWZEQQW7 submitted 2024-10-21 cs.CL cs.MA

Yueqi Song , Frank Xu , Shuyan Zhou , Graham Neubig This is my paper
classification cs.CLcs.MA
keywords agentsbrowsingapistasksonlineagentaloneapi-based
verification ladder T0 review T1 audit T2 compute T3 formal
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Web browsers are a portal to the internet, where much of human activity is undertaken. Thus, there has been significant research work in AI agents that interact with the internet through web browsing. However, there is also another interface designed specifically for machine interaction with online content: application programming interfaces (APIs). In this paper we ask -- what if we were to take tasks traditionally tackled by Browsing Agents, and give AI agents access to APIs? To do so, we propose two varieties of agents: (1) an API-calling agent that attempts to perform online tasks through APIs only, similar to traditional coding agents, and (2) a Hybrid Agent that can interact with online data through both web browsing and APIs. In experiments on WebArena, a widely-used and realistic benchmark for web navigation tasks, we find that API-Based Agents outperform web Browsing Agents. Hybrid Agents out-perform both others nearly uniformly across tasks, resulting in a more than 24.0% absolute improvement over web browsing alone, achieving a success rate of 38.9%, the SOTA performance among task-agnostic agents. These results strongly suggest that when APIs are available, they present an attractive alternative to relying on web browsing alone.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Experience-Evolving Multi-Turn Tool-Use Agent with Hybrid Episodic-Procedural Memory

    cs.LG 2025-12 conditional novelty 6.0 of 10

    An LLM agent that builds a tool-transition graph with state summaries from past experience improves tool selection and RL exploration by large margins on multi-turn benchmarks.

  2. Doc2Agent: Scalable Generation of Tool-Using Agents from API Documentation

    cs.CL 2025-06 reject novelty 6.0 of 10

    Doc2Agent automatically converts unstructured REST API documentation into validated, Python-based tools for AI agents, reporting a 55% relative WebArena improvement over direct API calling.

  3. Branch-and-Browse: Efficient and Controllable Web Exploration with Tree-Structured Reasoning and Action Memory

    cs.AI 2025-10 conditional novelty 5.0 of 10

    Branch-and-Browse, a tree-structured web agent with page-level action memory, reports 35.8% success and up to 40.4% less time than the cited Tree Search baseline on WebArena.

  4. Cybernaut: Towards Reliable Web Automation

    cs.SE 2025-08 reject novelty 4.0 of 10

    A demonstration-to-SOP framework plus robust element identification and a trace similarity metric improves enterprise web automation success rates on an internal benchmark, with a fine-tuned consistency classifier rea...

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