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Topic Similarity API

Topic Similarity API

Unlock Deep Topic Relevance Insights with AI-Powered Analysis Compare any piece of content against a target topic to receive clear relevance scores—group related documents, filter by theme, and power smarter recommendations.
Topic Similarity API

The Topic Similarity API evaluates how closely each document aligns with a given topic by analyzing semantic meaning, not just keywords.

  • Meaning-driven relevance scores
  • Fast, scalable processing

Teams and systems that need to filter or prioritize content by topic:

  • News and media monitoring services
  • Research and academic platforms
  • Customer support ticketing
  • Legal and compliance workflows
  • Content curation tools
  • Enterprise knowledge bases

You get topic relevance in three simple steps:

  • Submit Topic & Texts: Provide your topic description and a batch of documents
  • AI Analysis: Deep-learning models compute semantic alignment
  • Receive Scores: Get back a relevance score for each document

25M+
Documents Analyzed
85%
Manual Reviews Eliminated
80%
Document Fraud Reduced

A Smarter Way To AI Adoption

Semantic Topic Matching

Measures conceptual alignment between your topic and each document.

Context-Aware Scoring

Understands related terms, synonyms, and paraphrases for accurate relevance.

Effortless Scaling

Processes both small and very large document sets with consistent speed.

Actionable Outputs

Returns easy-to-interpret scores to rank, filter, or cluster by topic.

Arya APIs Empower Axis Bank to Redefine KYC Workflows

Axis Bank streamlined its KYC workflows with Arya AI’s automated document classification and extraction APIs, achieving a 60-65% reduction in operational Cost
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Real-World Applications

News & Media Monitoring

Automatically surface articles on a chosen topic.

Academic Research

Identify papers most relevant to a research question.

Support Ticket Triage

Route tickets based on topical content.

Legal & Compliance

Filter documents that pertain to specific regulations.

Content Curation

Group blog posts or reports by theme.

Knowledge Base Management

Tag and organize knowledge articles by relevance.

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No Data Storage
Zero Set-up costs
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For Developers

Plug-and-play APIs designed for fast integration, minimizing development effort and maximizing productivity.

Detailed Documentation

Comprehensive documentation to simplify integration and implementation.

SDKs & Libraries

Access resources that eliminate the need to build functionalities from scratch.

Interactive Tutorials & Sandbox

Test API functionalities in a risk-free, simulated setting.

24/7 Technical Support

Round-the-clock support so you have assistance whenever challenges arise.

How we drive customer value

Working with Arya.ai has provided MSIG Life with great support. Their AI applications have been integrated into our operations, addressing key challenges with production-ready models that have made a significant impact. Arya.ai's AI capabilities have helped us enhance our processes, improve security, and increase efficiency across our workflows.
Deekshith and his team have been responsive and have assisted us in streamlining our operations and enhancing the customer experience, enabling us to scale effectively.
Michael Kohan
Head of Digital Solutions
5 stars
Our Team is greatly thankful for the Bank Statement Analyser of Arya AI. Before using the bank analyser, we had a hard time converting large statements, passbooks and different formats across various banks into tangible insights. But with Arya now, we can generate a speedy report.
Faria Rose Santiago
Co-founder & CEO
5 stars
Using Arya APIs, we have automated the process of data extraction from KYC submissions as well as Transaction documents along with translation of certain ID proof(s) originally provided in foreign languages, which has greatly eased the operational workload on our team & also saved us on processing time which in turn enhances our overall customer experience.
Vice President Technology
Axis Bank
5 stars
Appreciate the support we got from Arya in seamlessly processing lakhs of API hits daily. Arya team's expertise provided for excellent guidance and recommendations to help improve the process for large scale integrations. We were able to make this go live in record time of nearly a month. The quality of the work and unwavering dedication brought to the table by Deekshith and team is much appreciated.
Shammi Kapoor
SVP Business Operations
5 stars
With Arya’s Face Verification and Passive Face Liveness Detection  API, we’ve improved the security on our FinTech platform for user verification during transactions. Our Vulnerability to fraud due to identification errors has already reduced by 98% within just six weeks of integrating these APIs. This new process has helped us provide an amazing user experience. Kudos to Arya AI team for ground breaking technology that is making a real good impact on our business.
Sagar Singhal
Co Founder & CEO
5 stars
Using Arya APIs, we have automated the process of data extraction from KYC submissions as well as Transaction documents along with translation of certain ID proof(s) originally provided in foreign languages, which has greatly eased the operational workload on our team & also saved us on processing time.
Vice President Technology
Axis Bank
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
Our Team is greatly thankful for the Bank Statement Analyser of Arya AI. Before using the bank analyser, we had a hard time converting large statements, passbooks and different formats across various banks into tangible insights. But with Arya now, we can generate a speedy report.
Faria Rose Santiago
Co-founder & CEO
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
With Arya’s Face Verification and Passive Face Liveness Detection  API, we’ve improved the security on our FinTech platform for user verification during transactions. Our Vulnerability to fraud due to identification errors has already reduced by 98% within just six weeks of integrating these APIs. This new process has helped us provide an amazing user experience. Kudos to Arya AI team for ground breaking technology that is making a real good impact on our business.
Sagar Singhal
Co-founder & CEO
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
Appreciate the support we got from Arya in Seamless processing lakhs of API hits daily. Arya's team expertise provides for excellent guidance and recommendations to help the process for large scale integrations. we were able to make this go live in a record time of nearly a month. The quality of the work and unwavering dedication brought to the table by Deekshith and the team is much appreciated.
Shammir Kapoor
SVP Business Operations, TATA AIG General Insurance
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
Using Arya APIs, we have automated the process of data extraction from KYC submissions as well as Transaction documents along with translation of certain ID proof(s) originally provided in foreign languages, which has greatly eased the operational workload on our team & also saved us on processing time.
Vice President Technology
Axis Bank
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
Our Team is greatly thankful for the Bank Statement Analyser of Arya AI. Before using the bank analyser, we had a hard time converting large statements, passbooks and different formats across various banks into tangible insights. But with Arya now, we can generate a speedy report.
Faria Rose Santiago
Co-founder & CEO
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
With Arya’s Face Verification and Passive Face Liveness Detection  API, we’ve improved the security on our FinTech platform for user verification during transactions. Our Vulnerability to fraud due to identification errors has already reduced by 98% within just six weeks of integrating these APIs. This new process has helped us provide an amazing user experience. Kudos to Arya AI team for ground breaking technology that is making a real good impact on our business.
Sagar Singhal
Co-founder & CEO
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
Appreciate the support we got from Arya in Seamless processing lakhs of API hits daily. Arya's team expertise provides for excellent guidance and recommendations to help the process for large scale integrations. we were able to make this go live in a record time of nearly a month. The quality of the work and unwavering dedication brought to the table by Deekshith and the team is much appreciated.
Shammir Kapoor
SVP Business Operations, TATA AIG General Insurance
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
Working with Arya.ai has provided MSIG Life with great support. Their AI applications have been integrated into our operations, addressing key challenges with production-ready models that have made a significant impact. Arya.ai's AI capabilities have helped us enhance our processes, improve security, and increase efficiency across our workflows.
Deekshith and his team have been responsive and have assisted us in streamlining our operations and enhancing the customer experience, enabling us to scale effectively.
Michael Kohan
Head of Digital Solutions
5 stars
+360%
More repayments in past 12 months
Read full story
arrow
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A Comprehensive Guide

Everything You Need to Know About Topic Similarity API

Understanding document-to-topic alignment is vital for search, curation, and compliance. With this API you can:

  • Enhance search by ranking results on topic relevance.
  • Automate content tagging and grouping by theme.
  • Streamline compliance by filtering topic-specific documents.
  • Drive recommendations based on conceptual match.

How the Topic Similarity API Works

  • Submit Topic & Documents: Include your topic text and a list of document texts.
  • Semantic Encoding: AI models turn each text into a meaning representation.
  • Similarity Computation: Scores are calculated by measuring alignment between topic and document representations.
  • Retrieve Results: Receive a list of scores you can use to rank, filter, or cluster your documents.

Features of a Good Topic Similarity API

  • Deep Semantic Understanding- Beyond keyword overlap.
  • High Throughput- For large-scale batch processing.
  • Clear, Normalized Scores- For easy thresholding.
  • Low Latency- Suitable for interactive applications.
  • Robust to Noise- Handling typos and informal text.
  • Straightforward Integration- With a simple API interface.

Benefits of Using a Topic Similarity API

  • Improve Relevance of search and recommendation systems.
  • Save Time by automating manual topic filtering.
  • Enhance Insights with transparent, data-driven relevance metrics.
  • Scale Easily from dozens to millions of documents.
  • Make Better Decisions through clear, actionable scores.
  • Integrate Quickly with minimal development effort.
Table of Contents

Frequently Asked Questions

What does the relevance score represent?
How do I supply the topic?
Can I compare hundreds of documents at once?
Which languages are supported?
What’s the typical response time?
How are near-duplicates handled?
Can I adjust sensitivity?
How do I integrate this API?