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If you need information from Google Maps, like place details or reviews, you are in the right place! Scraping this data is valuable whether you're looking to scout locations or gather insights on local businesses. Let's learn how to scrape Google Maps places data and its reviews using Python and a simple API by SerpApi.
How do you scrape Google Maps data results?
There are at least three ways to do this:
- Using SerpApi (Recommended)
- Places API by Google
- Create your DIY Google Maps scraper solution
- Using SerpApi (Recommended)
SerpApi provides a nice structured JSON with all the relevant information we need from the local Maps results. It also offers complete data like reviews and photos. So you can save time and energy to collect data from Google Maps without building your own Google Maps Scraper.
Link: Google Maps API Documentation.
This blog post covers precisely how to scrape Google Maps data using SerpApi.
- Using places API by Google
We can use the places API by Google. But first, we must set up a Google Cloud project and complete the setup instructions before getting the API Key. We can then use the HTTP Post request or the Python SDK to perform a search.
Con: The initial setup is complicated to get the API key.
- Create your DIY Google Maps scraper solution.
Google Maps load their data dynamically. To scrape this, we need to use a tool like Puppeteer to scrape Javascript-rendered websites properly. We can use Selenium, pyppeteer, or Playwright-python package to run a headless browser. After that, we can start parsing the relevant data from Google Maps.
Con: Building our web scraper is time-consuming, and we'll face many challenges, like getting blocked, setting up multiple proxies, and many more!
Scrape Google Maps Data and Reviews with Python Video Tutorial
If you prefer to watch a video tutorial, here is our YouTube video on quickly scraping Google Maps with a simple API.
Step-by-step scraping Google Maps data with Python
Without further ado, let's start and collect data from Google Maps.
Step 1: Tools we're going to use
We'll use the new official Python library by SerpApi: serpapi-python .
That's the only tool that we need!
As a side note: You can use this library to scrape search results from other search engines, not just Google.
Usually, you'll write your DIY solution using something like BeautifulSoup, Selenium, Selenium, Puppeteer, Requests, etc., to scrape Google Maps. You can relax now since we perform all these heavy tasks for you. So, you don't need to worry about all the problems you might've encountered while implementing your web scraping solution.
Step 2: Setup and preparation
- Sign up for free at SerpApi. You can get 100 free searches per month.
- Get your SerpApi Api Key from this page.
- Create a new
.envfile, and assign a new env variable with value from API_KEY above.SERPAPI_KEY=$YOUR_SERPAPI_KEY_HERE - Install python-dotenv to read the
.envfile withpip install python-dotenv - Install SerpApi's Python library with
pip install serpapi - Create new
main.pyfile for the main program.
Your folder structure will look like this:
|_ .env
|_ main.py
Step 3: Write the code for scraping basic Google Maps result
Let's say we want to find places for pizza keywords in New York. This API needs an ll parameter, which is the latitude and longitude of an area. So, I'm going to use a free online tool to find the ll for a certain place.
I'm using https://www.latlong.net/ for this. Just type a city name or area, and it will return the latitude and longitude numbers. We'll combine these numbers and separate them with a comma sign.
Example for New York:
lat: 40.712776
long: -74.005974
So the ll value will be @40.712776,-74.005974
The alternative way to get the ll value
If you want to find the ll value programmatically, we have a Location API: https://serpapi.com/locations-api. You can pass an area, city, or country name to the API, and then it will return an array of locations ordered by reach. Locations that reach the most people will be first.
The returned item will have a gps attribute, so you can use this to construct your ll parameter programmatically. Most importantly, This API is free to use.
Here is the complete Python code once you already have your ll value:
import os
import serpapi
from dotenv import load_dotenv
load_dotenv()
api_key = os.getenv('SERPAPI_KEY')
client = serpapi.Client(api_key=api_key)
results = client.search({
'engine': 'google_maps',
'q': 'pizza',
'll': '@40.7455096,-74.0083012,15.1z',
'type': 'search',
})
print(results)Try to run this program with python main.py or python3 main.py from your terminal.
Feel free to change the value of theq parameterwith any keyword you want to search for.
The local results are available at result['local_results'] or result['place_results'].
Difference between place results and local results
Our Google Maps API supports two types of search. The default search type is search, which will return an array of results inside the local_results key:
The other type is place. The type can be set manually to place, alongside the data parameter to provide details of a specific location or business. This type of search returns place_results.
If you perform a search with type=search for a very specific location, i.e you provide the full address, Google will infer type=place and return place_results for that location:
More broadly, local_results are a list that is provided when the search is more general. On the other hand place_results are details of a specific place that are provided when the query is very specific, or you use place_id or data and typ=place to get results for a specific location.
Available data
There are a lot of data we can get from this API, for example:
- title
- GPS coordinates
- reviews summary
- average rating
- price
- type
- address
- operating hour information
- phone
- website
- service option
- etc.
You can assume all the data when you select a particular result on maps.google.com are available on our API response.
Paginate Google Maps results
Based on Google Search Maps Results API documentation, we can get the second, third page, and so on, using the start parameter. By default, Google Maps returns 20 results per page, and the value for the start parameter is 0. We don't have to provide this information to get the first-page result.
Here is an example to get a second page:
results = client.search({
'engine': 'google_maps',
'q': 'pizza',
'll': '@40.7455096,-74.0083012,15.1z',
'type': 'search',
'start': 20
})For the third page
results = client.search({
'engine': 'google_maps',
'q': 'pizza',
'll': '@40.7455096,-74.0083012,15.1z',
'type': 'search',
'start': 40
})So, you need to increase the start page by 20 for each page.
We recommend a maximum of 100 (page six) which is the same behavior as with the Google Maps web app. More than that, the result might be duplicated or irrelevant.Here is how you can do this programmatically (to scrape all the results):
client = serpapi.Client(api_key=api_key)
start = 0
while True:
results = client.search({
'engine': 'google_maps',
'q': 'pizza',
'll': '@40.7455096,-74.0083012,15.1z',
'type': 'search',
'start': start
})
# If no local_results key or if it's empty, break out of the loop.
if 'local_results' not in results:
print('No more local results')
break
## Warning!
# This could lead to infinite loop (or very high number) since there is not maximum number, make sure to add a hardcoded number to limit your pagination.
start += 20 # Get the next page of results.
print(len(results['local_results'])) # Print the number of job results.Warning on pagination
Here is from our Google Maps API documentation:
We recommend starting with0and increasing by20for the next page. There is no hard limit on the maximum offset number, but we recommend a maximum of100(page six) which is the same behavior as with the Google Maps web app. More than that, the result might be duplicated or irrelevant.
Make sure to limit your pagination after certain number to not run a very high number of pagination.
Exports Google Maps results to CSV.
What if you need the data in csv format ? You can add the code below. This code sample shows you how to store all the local_results in the CSV file. For this example, we're saving the title, address, phone, and website.
client = serpapi.Client(api_key=api_key)
results = client.search({
'engine': 'google_maps',
'q': 'pizza',
'll': '@40.7455096,-74.0083012,15.1z',
'type': 'search',
})
local_results = results['local_results']
with open('maps-results.csv', 'w', newline='') as csvfile:
csv_writer = csv.writer(csvfile)
# Write the headers
csv_writer.writerow(["Title", "Address", "Phone Number", "Website"])
# Write the data
for result in local_results:
csv_writer.writerow([result["title"], result["address"], result["phone"], result["website"] if "website" in result else "" ])
print('Done writing to CSV file.')Since the "website" key is not always available, we store it with a conditional statement.
Here are the results in a CSV file:
How to get Google Maps Reviews
SerpApi also provides a Google Maps Reviews API to get all the details of reviews from a specific place.
First, we need to get either a place_id or data_id , which is available in our initial response on each item.
For simplicity's sake, we'll be using place_id in this post. My teammate, Ryan, wrote another blog post on how to structure a data_id for Google Maps in this post: https://serpapi.com/blog/scraping-business-reviews-from-google-maps-with-serpapi/#getting-the-dataid-with-a-placeid-or-vice-versa.
Here is the code sample for how to scrape the Google Maps reviews data:
client = serpapi.Client(api_key=api_key)
results = client.search({
'engine': 'google_maps_reviews',
'type': 'search',
'place_id': 'ChIJN1t_tDeuEmsRUsoyG83frY4',
})
print(results)
Remember to replace the place_id with the id of the place, you want to look for.The response will include the review's link, rating, user detail, snippet, and amount of likes. You can sort the rating from the highest or lowest using sort_by parameter.
How to paginate all the reviews from Google Maps?
We can get all the reviews data by paginating the search using next_page_token value that is available from each of Google Maps reviews API responses.
client = serpapi.Client(api_key=api_key)
results = client.search({
'engine': 'google_maps_reviews',
'type': 'search',
'place_id': 'ChIJN1t_tDeuEmsRUsoyG83frY4',
'next_page_token': "VALUE_FROM_PREVIOUS_RESPONSE"
})
print(results)
Make sure to update the next_page_token value with the original value you're getting from the previous response.
That's how you can scrape Google Maps data and places reviews.
If you're interested in scraping Google search, feel free to read: How to scrape Google search results with Python .
FAQ
Is it legal to scrape Google Maps Data?
Scraping publicly accessible data is legal in the U.S., including scraping Google Maps.
"SerpApi, LLC promotes ethical scraping practices by enforcing compliance with the terms of service of search engines and websites. By handling scraping operations responsibly and abiding by the rules, SerpApi helps users avoid legal repercussions and fosters a sustainable web scraping ecosystem." - source: Safeguarding Web Scraping Activities with SerpApi.
How to scrape Google Maps without getting blocked?
- Use Proxies: Rotate multiple IP addresses to prevent your main IP from being blocked. This makes it harder for Google to pinpoint scraping activity from a single source.
- Set Delays: Don't send requests too rapidly. Wait a few seconds between requests to mimic human behavior and avoid triggering rate limits.
- Change User Agents: Rotate user agents for every request. This makes it seem like the requests come from different devices and browsers.
- Use CAPTCHA Solving Services: Sometimes, if Google detects unusual activity, it will prompt with a CAPTCHA. Services exist that can automatically solve these for you.
While these methods can help when scraping manually, you don't have to worry about rotating proxies, setting delays, changing user agents, or solving CAPTCHAs when using SerpApi. It makes getting search results easier and faster since we will solve all those problems for you.
What does Google Maps API cost?
The official Google Maps API varies depending on your usage https://mapsplatform.google.com/pricing/. While at SerpApi, you can use all APIs, including Google Maps, with a monthly subscription. You'll get 100 free search credits per month. Optionally, the developer plan starts with 50$.
Why scrape Google Maps?
Scraping Google Maps data can be beneficial for several reasons:
- Competitor Analysis: Businesses use Google Maps scrapers to collect data on competitors' locations, customer reviews, and ratings, which helps in understanding the market and strategizing accordingly.
- Lead Generation: Google Maps is a valuable lead source, as local and online businesses list their data on the platform to attract customers. Marketers can use scraped data from Google Maps to boost sales by targeting potential customers effectively.
- Information Database: Google Maps is a central hub for information on various locations like restaurants, shops, service providers, and institutions. Scraping this information can help in building databases for different purposes.
- Market Research: The insights gained from Google Maps scraping can be used for market research, further understanding customer behavior and preferences, and developing targeted marketing strategies.
That's it!
I hope this blog post can help you to collect any place data from Google Maps. Thank you for reading!