How to Use a SERP API for Keyword Research

How to Use Traject Data’s SERP API for Keyword Research

If you want to level up your keyword strategy, a Search Engine Results Page (SERP) API is a powerful tool. Traject Data’s Scale SERP APIs let you automatically gather rich data from search engine results pages. That includes organic listings,...

Posted byAdam Smith | June 17, 2025 | 6 Minute Read

In This Post

If you want to level up your keyword strategy, a Search Engine Results Page (SERP) API is a powerful tool. Traject Data’s Scale SERP API s let you automatically gather rich data from search engine results pages. That includes organic listings, AI Overviews, Shopping results, Ads and more. So how do you actually use a SERP API for keyword research?

In this post, we’ll break down what a SERP API is, how to choose the right provider, and how to use Traject Data’s SERP API to uncover valuable keyword insights.

What is a SERP API?

A SERP API (Search Engine Results Page API) allows you to programmatically collect data from search engine results—like those shown on Google or Bing—without having to scrape pages manually.

These APIs are essential for keyword research, SEO tracking, and competitive analysis.

What is a SERP?

SERP stands for Search Engine Results Page. It’s the page that appears when a user enters a query into a search engine like Google or Bing. A SERP typically includes a mix of organic results, paid ads, featured snippets, shopping listings. With AI reshaping search, the AI Overview has become an essential part of the SERP.

Key Features of a SERP API for Keyword Research

Is Using a SERP Scraping API for Keyword Research Legal?

In general, scraping publicly available data is legal, but there are a few important caveats:

Always make sure your scraping strategy is compliant with local laws and platform guidelines.

How to Choose the Right SERP API for Keyword Research

Not all SERP APIs are created equal. Here’s what to consider:

✅ Search Engine Coverage

Google is critical—but you may also want coverage for Bing, Yahoo, Amazon, eBay, and even regional engines like Yandex (Russia), Baidu (China), or Naver (Korea).

✅ Structured, Clean Data

Choose a provider that delivers well-structured data—no extra noise, no need for manual parsing. Look for support for rich SERP features like featured snippets, AI Overviews, shopping results, ads, news, and reviews.

✅ Integration and Delivery Options

Can you pipe data into your analytics dashboard or SEO tools easily? Batch exports, scheduled delivery, and API-to-database workflows make a big difference.

✅ Support and Documentation

Clear documentation and responsive support teams are invaluable—especially when building custom keyword research pipelines.

✅ Resilience to SERP Changes

Search engines constantly update their result formats. Choose an API that adapts fast. For instance, some SERP providers had downtime after Google’s latest SERP format changes—Traject Data’s infrastructure held up.

How to Use a SERP API for Keyword Research

Here’s a step-by-step process to use a SERP API for keyword research using Traject Data’s Scale SERP API.

1. Start With Seed Keywords

Begin with a core list of keywords related to your niche—e.g., “shoes for spring.”

2. Define Search Parameters

Use the API’s parameters to customize your search:

3. Make Your API Request

Example: Requesting SERP Data for “Shoes for Spring”

Here’s a simple example using Traject Data’s Scale SERP API to retrieve Google mobile results for the keyword “shoes for spring”:

https://api.scaleserp.com/search?api_key=YOUR_API_KEY&q=shoes+for+spring&location=United+States&device=mobile

Just replace YOUR_API_KEY with your actual API key to get started.

Use Traject Data’s Scale SERP API documentation to explore more query options.

4. Extract Keyword Data Points

Once you receive structured SERP results (usually in JSON), extract:

Analyze the Keyword Data

Once you’ve collected your data, here’s how to turn it into SEO insights:

Real Example: “Shoes for Spring”

Let’s say you’re planning a new blog post or product campaign around the keyword “shoes for spring.”

Start by sending a request to Traject Data’s SERP API using that seed keyword. You’ll receive:

From this, you might uncover valuable related keywords like:

You’ll also gain insight into search intent. Users might be looking for seasonal fashion ideas, weather-appropriate materials, style trends, or online deals—helping you tailor your content or product listings to what shoppers are really searching for.

Boost Your SEO Strategy with Traject Data’s SERP API

Traject Data’s SERP API helps you unlock the full potential of keyword research—without the mess of manual scraping or unreliable data feeds.

With fast, accurate, and structured SERP data, you can:

Ready to try it out? Explore Traject Data’s SERP API offerings and start turning search data into SEO wins.