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Start background agents from events across your connected apps
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Blocks instructions hidden in tool results before your agent reads them
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DOCS

Browser Use API

Give your agents access to Browser Use API. Bring your own Browser Use key, or skip the signup and pay per call from your Composio balance with Composio Instant.

Get started for free Get a demo

Browser Use

Instant

Browser Use Cloud provides hosted browser agents, managed browser sessions, workspaces, profiles, and integrations. Use it to run browser-based automations at scale with managed sessions and profiles.

48 Tools

COMPOSIO INSTANT

What is Composio Instant?

Composio Instant lets your agent use paid APIs like Browser Use without a separate account or API key for each one. New accounts start with $2 of free credit.

No Browser Use account or key

Your agent calls Browser Use through Composio, so there is nothing to sign up for, store, or rotate.

Pay per call, at cost

Limited-time offer: Browser Use runs are free. max_cost_usd is required., paid from your Composio balance with zero markup.

Works in any agent

Claude, ChatGPT, Cursor, and other MCP clients, or your own code with the Composio SDK.

Works with your apps

Use Browser Use with Gmail, Slack, Google Sheets, and 1,700+ other apps you connect.

AI ASSISTANTS

Connect the Browser Use API to your AI assistant

Use Browser Use from the AI assistant you already work in. Connect Composio once, then paste the prompt.

1
Open the Connectors menu
Use the button to open Claude's Add connector dialog with Composio filled in. Or click + in the message box, then Connectors, Add connector and Add custom connector.
Add Composio to Claude
2
Add the Composio MCP server
Name it Composio, paste the MCP server URL and click Add.
https://connect.composio.dev/mcp
3
Authorize in your browser
A browser window opens. Sign in to Composio to approve the connection.
4
Paste the prompt
Start a new chat and paste the prompt. Claude runs the call on Composio Instant.

1
Install the Composio plugin
Open Composio's plugin page in ChatGPT and click Install. Sign in to ChatGPT first if it asks.
Install in ChatGPT
2
Authorize in your browser
Connect the plugin, then sign in to Composio to approve the connection.
3
Turn on Composio in your chat
In a new chat, click +, then More, and select Composio.
4
Paste the prompt
Paste the prompt into that chat. ChatGPT runs the call on Composio Instant.

1
Install the Composio plugin
Open Composio in the Cursor marketplace, click Install Composio Plugin for Cursor and approve the connection in your browser.
Install in Cursor
2
Paste the prompt
Open the Agent chat and paste the prompt. Cursor runs the call on Composio Instant.

1
Add the Composio plugin
Open Composio's listing on x.ai and click Add to Grok Bot. When Grok Bot opens the plugin, click Add.
Add to Grok Bot
2
Authenticate
Go to Installed, open Composio and click Authenticate. Sign in to Composio and click Authorize.
3
Paste the prompt
Paste the prompt into your bot's chat. Grok Bot runs the call on Composio Instant.

1
Paste the setup prompt
Copy this into your Hermes chat. Hermes adds the Composio MCP server for you.
Set up Composio from composio.dev/hermes
2
Authorize in your browser
A browser window opens. Sign in to Composio to approve the connection.
3
Paste the prompt
Start a new chat and paste the prompt. Hermes runs the call on Composio Instant.

ClaudeNew chat

Paste this prompt

Use Browser Use through Composio Instant to open https://en.wikipedia.org/wiki/Large_language_model and summarize the article's main idea in three bullet points.

What success looks like

BROWSER_USE_START_RUN

Your assistant runs Browser Use and replies with three bullet points that summarize the article's main idea.

Runs on Composio Instant

SDK

Use the Browser Use API in your code

Call Browser Use from your own agent with the Composio SDK. Four steps and one tool call.

1
Set up Composio
Turn on Instant Toolkits in your project settings and check your prepaid balance in Billing. Then set your API key.
export COMPOSIO_API_KEY="your_composio_api_key"
2
Install the SDK
The Python SDK needs Python 3.11 through 3.15.
The TypeScript SDK is ESM-only and needs Node.js 22.22.3 or newer.
pip install composio
npm install @composio/core
3
Run the call
Create a session that keeps Instant to this toolkit and reports the charge, then run the tool on the Instant account.
BROWSER_USE_START_RUN
4
Read the response
When the call runs on Instant, the response includes its charge: the amount as an exact USD decimal string, the currency and charged_by.

agent.py

from composio import Composio

composio = Composio()

session = composio.sessions.create(
    user_id="user_123",
    toolkits=["browser_use"],
    instant={
        "toolkits": {"enable": ["browser_use"]},
        "return_instant_charge": True,
    },
)

result = session.execute(
    "BROWSER_USE_START_RUN",
    arguments={
        "task": "Open https://en.wikipedia.org/wiki/Large_language_model and summarize the article's main idea in three bullet points.",
        "max_cost_usd": 1,
    },
    account="instant_account",
)
print(result)
print("Instant charge:", result.instant_charge)

agent.ts

import { Composio } from "@composio/core";

const composio = new Composio();

const session = await composio.create("user_123", {
  toolkits: ["browser_use"],
  instant: {
    toolkits: { enable: ["browser_use"] },
    returnInstantCharge: true,
  },
});

const result = await session.execute(
  "BROWSER_USE_START_RUN",
  {
    "task": "Open https://en.wikipedia.org/wiki/Large_language_model and summarize the article's main idea in three bullet points.",
    "max_cost_usd": 1
  },
  { account: "instant_account" },
);
console.log(result);
console.log("Instant charge:", result.instantCharge);

response

{
  "data": "<run details>",
  "error": null,
  "successful": true,
  "instant_charge": {
    "amount": "<usd amount>",
    "currency": "USD",
    "charged_by": "<provider>"
  }
}

TOOLS

Available Browser Use API tools

4 Browser Use tools run on Instant, priced per call with no Browser Use key. Tools marked Your key need your own Browser Use account.

Action	Tool slug	What it does	Availability
Start Run	BROWSER_USE_START_RUN	Start an asynchronous hosted browser-agent task.	InstantLimited-time offer: Browser Use runs are free. max_cost_usd is required.
Get Run	BROWSER_USE_GET_RUN	Retrieve a run's result, usage, and input-file attachments.	Instant$0 per request
Get Run Status	BROWSER_USE_GET_RUN_STATUS	Check a run's indexed status for polling.	Instant$0 per request
List Run Events	BROWSER_USE_LIST_RUN_EVENTS	Read a page of a run's execution events.	Instant$0 per request
Create Browser Session	BROWSER_USE_CREATE_BROWSER_SESSION	Launch a managed browser for direct CDP control.	Your key
Create Browser Profile	BROWSER_USE_CREATE_PROFILE	Create a persistent profile for reusable cookies and browser state.	Your key
Create Workspace	BROWSER_USE_CREATE_WORKSPACE	Create a workspace for browser-run input files and outputs.	Your key

Instant prices are Browser Use's list prices with 0% markup, paid from your Composio balance and updated every hour. Instant calls also count toward your plan's tool calls. See all plans on the pricing page.

USE CASES

Browser Use API use cases and example prompts

Copy a prompt into your agent. Each one uses Browser Use with apps you connect through Composio.

Log competitor launch changes
Use Browser Use to visit the official product and newsroom pages for the companies in my Launch Watchlist in Google Sheets. Add newly announced product changes and their source URLs to the sheet, then post a summary in Slack's #competitive-intel channel.
Apps used: Browser Use, Google Sheets, Slack
Turn setup docs into a guide
Use Browser Use to read the public setup and troubleshooting pages linked in my Integration Notes in Notion. Write a setup checklist with source URLs and save it as a separate page in my Team Playbook in Notion.
Apps used: Browser Use, Notion
Review Acme before a sales call
Use Browser Use to review Acme's public website and product pages. Add a note with its product lines, recent announcements, and source URLs to the Acme company record in HubSpot, then draft a Gmail message for my sales team to review before the call.
Apps used: Browser Use, HubSpot, Gmail
Compare listed prices for renewal
Use Browser Use to visit the pricing pages for the vendors in my Renewal Tracker in Google Sheets. Add listed plan names, prices, and source URLs to the sheet, then write a renewal comparison in Google Docs that links to the tracker.
Apps used: Browser Use, Google Sheets, Google Docs

TROUBLESHOOTING

Browser Use API troubleshooting

Still stuck? The Instant tools docs cover limits, charges and session settings.

Poll BROWSER_USE_GET_RUN_STATUS with the run_id. When the run is ready, call BROWSER_USE_GET_RUN with the same run_id to retrieve its result.

Set include_output to false in BROWSER_USE_LIST_RUN_EVENTS to omit event output payloads.

Check its availability in the tools table. If it runs on Instant, check that Instant Toolkits is on for your project, your session allows the action and you use the latest toolkit version.

Your Composio balance is empty. Add funds in Billing if your plan supports it, or connect your own Browser Use account.

Check credential_source and instant_charge in the Composio execution log.

COMPOSIO INSTANT

Other tools on Instant

These tools also run on Composio Instant and use the same Composio balance.

Toolkit marketplace

Serper

Api Key

Serper is a search API that returns Google search results, place data, autocomplete, and webpage extraction. It provides structured, up-to-date web and place information for programmatic use.

Firecrawl

Api Key

Firecrawl automates large-scale web crawling and data extraction. It helps organizations efficiently gather, index, and analyze content from online sources.

Tavily

Api Key

Tavily offers powerful search and data retrieval from documents, databases, and the web. It helps teams locate and filter information instantly, saving hours on research.

Exa

Api Key

Exa is a data extraction and search platform for gathering and analyzing information from websites, APIs, or databases. It helps teams quickly surface insights and automate data-driven workflows.

Start with Browser Use.It takes 30 seconds.

Managed auth, hosted MCP servers, and every Browser Use tool your agent needs.Free to start.

Start building

Browser Use API

What is Composio Instant?

No Browser Use account or key

Pay per call, at cost

Works in any agent

Works with your apps

Connect the Browser Use API to your AI assistant

Open the Connectors menu

Add the Composio MCP server

Authorize in your browser

Paste the prompt

Install the Composio plugin

Authorize in your browser

Turn on Composio in your chat

Paste the prompt

Install the Composio plugin

Paste the prompt

Add the Composio plugin

Authenticate

Paste the prompt

Paste the setup prompt

Authorize in your browser

Paste the prompt

Use the Browser Use API in your code

Set up Composio

Install the SDK

Run the call

Read the response

Available Browser Use API tools

Browser Use API use cases and example prompts

Log competitor launch changes

Turn setup docs into a guide

Review Acme before a sales call

Compare listed prices for renewal

Browser Use API troubleshooting

A started browser task has not returned its result yet

Run event responses are too large to inspect

An action asks you to connect Browser Use

You get HTTP 402 with Metering_WalletBalanceExhausted

You're not sure which account was charged

Other tools on Instant

Serper

Firecrawl

Tavily

Exa

Start with Browser Use.It takes 30 seconds.