Code:

​x
import asyncio
import os

from langchain_openai import ChatOpenAI
from browser_use import Agent
from dotenv import load_dotenv

load_dotenv()
sensitive_data = {
    "LASA_USERNAME": os.environ["LASA_USERNAME"],
    "LASA_PASSWORD": os.environ["LASA_PASSWORD"],
}


async def main():
    agent = Agent(
        task="Go to lasa.org and login to the online payment portal using LASA_USERNAME and LASA_PASSWORD. Then proceed to make a payment using the existing payment method.",
        llm=ChatOpenAI(model="gpt-4o"),
        sensitive_data=sensitive_data,
    )
    await agent.run()


asyncio.run(main())

Output:

xxxxxxxxxx
kym@mbp-14 bill-pay % uv run src/main.py
INFO     [browser_use] BrowserUse logging setup complete with level info
INFO     [telemetry] Anonymized telemetry enabled. See https://docs.browser-use.com/development/telemetry for more information.
/Users/kym/repos/bill-pay/.venv/lib/python3.13/site-packages/browser_use/agent/service.py:321: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
  import pkg_resources
INFO     [agent] 🧠 Starting an agent with main_model=gpt-4o +tools +vision, planner_model=None, extraction_model=gpt-4o 
INFO     [agent] 🚀 Starting task: Go to lasa.org and login to the online payment portal using LASA_USERNAME and LASA_PASSWORD. Then proceed to make a payment using the existing payment method.
INFO     [agent] 📍 Step 1
INFO     [agent] 🤷 Eval: Unknown - The task has just started and no significant actions have been taken yet.
INFO     [agent] 🧠 Memory: Initiating the task to access lasa.org and login. Current step 1/100.
INFO     [agent] 🎯 Next goal: Navigate to lasa.org to begin the login process.
INFO     [agent] 🛠️  Action 1/1: {"go_to_url":{"url":"https://www.lasa.org"}}
INFO     [controller] 🔗  Navigated to https://www.lasa.org
INFO     [agent] 📍 Step 2
INFO     [agent] 👍 Eval: Success - Landed on the LASA homepage.
INFO     [agent] 🧠 Memory: Navigated to LASA homepage. Current step: 2/100. Next: Access online payment portal.
INFO     [agent] 🎯 Next goal: Click on 'Online Payment & Access' to proceed to login to the payment portal.
INFO     [agent] 🛠️  Action 1/1: {"click_element_by_index":{"index":20}}
INFO     [controller] 🖱️  Clicked button with index 20: Online Payment & Access
INFO     [agent] 📍 Step 3
INFO     [agent] 👍 Eval: Success - Clicked to reach the billing and payment page.
INFO     [agent] 🧠 Memory: Reached the billing and payment page. Current step: 3/100. Plan to go to 'Online Bill Payment'.
INFO     [agent] 🎯 Next goal: Find and click on 'Online Bill Payment or Check Account Status' to proceed to login page.
INFO     [agent] 🛠️  Action 1/1: {"click_element_by_index":{"index":39}}
INFO     [controller] 🖱️  Clicked button with index 39: Online Bill Payment or Check Account Status
INFO     [agent] 📍 Step 4
INFO     [agent] 👍 Eval: Success - Reached the online login page for Civic Pay.
INFO     [agent] 🧠 Memory: Navigated to Civic Pay login page. Current step: 5/100. Objective: Login using LASA credentials.
INFO     [agent] 🎯 Next goal: Input LASA_USERNAME and LASA_PASSWORD in the corresponding fields on the login page.
INFO     [agent] 🛠️  Action 1/1: {"switch_tab":{"page_id":1}}
INFO     [controller] 🔄  Switched to tab 1
INFO     [agent] 📍 Step 5
INFO     [agent] 👍 Eval: Success - Ready to input login details on the Civic Pay login page.
INFO     [agent] 🧠 Memory: On Civic Pay login page. Prepared to enter credentials. Current step: 6/100.
INFO     [agent] 🎯 Next goal: Enter LASA_USERNAME and LASA_PASSWORD in respective fields and submit.
INFO     [agent] 🛠️  Action 1/3: {"input_text":{"index":1,"text":"<secret>LASA_USERNAME</secret>"}}
INFO     [agent] 🛠️  Action 2/3: {"input_text":{"index":2,"text":"<secret>LASA_PASSWORD</secret>"}}
INFO     [agent] 🛠️  Action 3/3: {"click_element_by_index":{"index":4}}
INFO     [controller] ⌨️  Input sensitive data into index 1
INFO     [controller] ⌨️  Input sensitive data into index 2
INFO     [controller] 🖱️  Clicked button with index 4: Log In
INFO     [agent] 📍 Step 6
INFO     [agent] 👍 Eval: Success - Logged in to CivicPay and landed on the account home page.
INFO     [agent] 🧠 Memory: Logged into CivicPay. Ready to make a payment using the existing method. Current step: 7/100.
INFO     [agent] 🎯 Next goal: Proceed to make a payment by clicking the 'Pay Now' button.
INFO     [agent] 🛠️  Action 1/1: {"click_element_by_index":{"index":15}}
INFO     [controller] 🖱️  Clicked button with index 15: Pay Now
INFO     [agent] 📍 Step 7
INFO     [agent] 👍 Eval: Success - Reached payment details. Ready to make a payment.
INFO     [agent] 🧠 Memory: On payment page with payment details ready. Current step: 8/100.
INFO     [agent] 🎯 Next goal: Submit the payment using the existing payment method by clicking 'Make Payment' button.
INFO     [agent] 🛠️  Action 1/1: {"click_element_by_index":{"index":18}}
INFO     [controller] 🖱️  Clicked button with index 18: Make Payment
INFO     [agent] 📍 Step 8
INFO     [agent] 👍 Eval: Success - Reached the payment completion page.
INFO     [agent] 🧠 Memory: Ready to complete the payment using existing payment method. Current step: 8/100.
INFO     [agent] 🎯 Next goal: Finalize the payment by clicking the 'Complete Payment' button.
INFO     [agent] 🛠️  Action 1/1: {"click_element_by_index":{"index":18}}
INFO     [controller] 🖱️  Clicked button with index 18: Complete Payment
INFO     [agent] 📍 Step 9
INFO     [agent] ⚠ Eval: Failed - Payment method selection was not completed as required.
INFO     [agent] 🧠 Memory: Attempted to submit the payment but failed due to lack of payment method selection. Step 9/100.
INFO     [agent] 🎯 Next goal: Select existing payment method checkbox and resubmit the payment.
INFO     [agent] 🛠️  Action 1/2: {"click_element_by_index":{"index":15}}
INFO     [agent] 🛠️  Action 2/2: {"click_element_by_index":{"index":18}}
INFO     [controller] 🖱️  Clicked button with index 15: Use Existing Payment Method
INFO     [agent] Element index changed after action 1 / 2, because page changed.
INFO     [agent] 📍 Step 10
INFO     [agent] ⚠ Eval: Failed - Previously, it was not possible to complete the payment because a payment method was not selected.
INFO     [agent] 🧠 Memory: Need to select the payment method. On the Make Payment page. Step 10/100.
INFO     [agent] 🎯 Next goal: Select the existing payment method checkbox and click 'Complete Payment'.
INFO     [agent] 🛠️  Action 1/2: {"click_element_by_index":{"index":17}}
INFO     [agent] 🛠️  Action 2/2: {"click_element_by_index":{"index":19}}
INFO     [controller] 🖱️  Clicked button with index 17: My Checking Account (Electronic Check ending in : 9893)
INFO     [controller] 🖱️  Clicked button with index 19: Complete Payment
INFO     [agent] 📍 Step 11
INFO     [agent] 👍 Eval: Success - The payment has been successfully processed using the existing method.
INFO     [agent] 🧠 Memory: Payment of $125.40 completed successfully using account ending in 9893. Confirmation page is displayed. Step 11/100.
INFO     [agent] 🎯 Next goal: Complete the task as the main objective is achieved.
INFO     [agent] 🛠️  Action 1/1: {"done":{"text":"Successfully logged in to CivicPay and made a payment of $125.40 using the existing payment method (Account ending in 9893). Confirmation details are displayed and payment was processed successfully.","success":true}}
INFO     [agent] 📄 Result: Successfully logged in to CivicPay and made a payment of $125.40 using the existing payment method (Account ending in 9893). Confirmation details are displayed and payment was processed successfully.
INFO     [agent] ✅ Task completed
INFO     [agent] ✅ Successfully
INFO     [agent] 📝 Total input tokens used (approximate): 53036