Global API Testing Market Size Study & Forecast, by Application Type, Deployment Type, Industry Vertical, Test Category, Tool Type and Regional Forecasts 2025-2035

Description

The Global API Testing Market is valued at approximately USD 4.07 billion in 2024 and is projected to grow at a CAGR of 20.99% over the forecast period of 2025-2035. API Testing has emerged as a cornerstone of modern software quality assurance, enabling enterprises to validate functionality, performance, security, and compliance of their application programming interfaces before deployment. APIs form the connective tissue of digital ecosystems, powering communication between software components, mobile applications, databases, and cloud systems. As businesses expand digital transformation initiatives and integrate more complex architectures, the demand for robust API testing solutions intensifies. The market is fueled by the growing importance of seamless user experiences, rising security concerns, and an ever-increasing reliance on cloud-native applications.

The momentum of API Testing adoption has accelerated due to heightened reliance on microservices, DevOps practices, and continuous integration/continuous deployment (CI/CD) pipelines. Enterprises across industries are leveraging API Testing tools to prevent defects, minimize downtime, and ensure regulatory compliance. According to industry surveys, APIs now account for the majority of internet traffic, making their reliability and resilience paramount. This surge in API adoption has created fertile ground for innovations in automated and AI-driven API testing tools, which reduce time-to-market and strengthen enterprise agility. Despite its impressive growth trajectory, challenges such as high implementation costs, skill gaps in testing teams, and complexities associated with testing in dynamic multi-cloud environments may hamper adoption for smaller organizations during the forecast window.

The detailed segments and sub-segments included in the report are:

By Application Type:

Web API Testing
Mobile API Testing
Database API Testing
SOA API Testing
Cloud API Testing

By Deployment Type:

On-premises
Cloud-based

By Industry Vertical:

IT & Telecom
Healthcare
BFSI
Retail
Manufacturing

By Test Category:

Functional Testing
Performance Testing
Security Testing
Compliance Testing

By Tool Type:

Open-source
Commercial
SaaS

By Region:

North America
- U.S.
- Canada
Europe
- UK
- Germany
- France
- Spain
- Italy
- Rest of Europe
Asia Pacific
- China
- India
- Japan
- Australia
- South Korea
- Rest of Asia Pacific
Latin America
- Brazil
- Mexico
Middle East & Africa
- UAE
- Saudi Arabia
- South Africa
- Rest of Middle East & Africa
Cloud-based deployment is expected to dominate the market across the forecast period. Organizations are steadily migrating to cloud-native environments where agility, scalability, and real-time monitoring become critical. Cloud-based API testing platforms empower enterprises with distributed testing capabilities, reduced infrastructure overheads, and enhanced collaboration for development and quality assurance teams. Although on-premises deployments continue to attract industries with stringent data sovereignty or security compliance requirements, cloud adoption is accelerating at a remarkable pace, positioning it as the growth engine of the segment.
When segmented by tool type, open-source tools currently generate the lion's share of revenue, reflecting the wide adoption of cost-effective and flexible testing frameworks by developers and QA teams globally. These tools provide freedom to customize and integrate within agile environments, making them especially popular among SMEs and DevOps teams. However, commercial and SaaS-based testing tools are projected to be the fastest-growing subsegment, propelled by enterprises seeking enterprise-grade support, automation, and advanced analytics capabilities. The duality of open-source dominance and SaaS-led acceleration paints a dynamic landscape where enterprises balance cost efficiency with functionality and scalability.
From a regional perspective, North America remains the leader in the API Testing Market, supported by its robust IT infrastructure, mature cloud ecosystem, and rapid adoption of DevOps methodologies. The U.S. in particular serves as the innovation hub for API-driven businesses, continuously fueling demand for advanced testing tools. Asia Pacific, however, is anticipated to be the fastest-growing market due to accelerated digitalization, expanding e-commerce, and heightened investments in cloud platforms in countries such as India and China. Europe maintains a strong foothold, driven by stringent GDPR compliance and a rapidly evolving fintech sector, while Latin America and the Middle East & Africa are increasingly adopting API Testing solutions in response to rising digital penetration and cross-industry modernization efforts.

Major market players included in this report are:

SmartBear Software
Parasoft Corporation
Tricentis GmbH
Broadcom Inc.
IBM Corporation
Oracle Corporation
Micro Focus International Plc
Postman Inc.
Sauce Labs Inc.
Vector Informatik GmbH
Akamai Technologies Inc.
Google LLC
Microsoft Corporation
Amazon Web Services Inc.
Infosys Limited

Global API Testing Market Report Scope:

Historical Data - 2023, 2024
Base Year for Estimation - 2024
Forecast period - 2025-2035
Report Coverage - Revenue forecast, Company Ranking, Competitive Landscape, Growth factors, and Trends
Regional Scope - North America; Europe; Asia Pacific; Latin America; Middle East & Africa
Customization Scope - Free report customization (equivalent to up to 8 analysts' working hours) with purchase. Addition or alteration to country, regional & segment scope*

The objective of the study is to define market sizes of different segments and countries in recent years and to forecast the values for the coming years. The report is designed to incorporate both qualitative and quantitative aspects of the industry within the countries involved in the study. The report also provides detailed information about crucial aspects, such as driving factors and challenges, which will define the future growth of the market. Additionally, it incorporates potential opportunities in micro-markets for stakeholders to invest, along with a detailed analysis of the competitive landscape and product offerings of key players. The detailed segments and sub-segments of the market are explained below:

Key Takeaways:

Market Estimates & Forecast for 10 years from 2025 to 2035.
Annualized revenues and regional-level analysis for each market segment.
Detailed analysis of the geographical landscape with country-level analysis of major regions.
Competitive landscape with information on major players in the market.
Analysis of key business strategies and recommendations on future market approach.
Analysis of the competitive structure of the market.
Demand side and supply side analysis of the market.

Chapter 1. Global API Testing Market Report Scope & Methodology

1.1. Research Objective
1.2. Research Methodology
- 1.2.1. Forecast Model
- 1.2.2. Desk Research
- 1.2.3. Top Down and Bottom-Up Approach
1.3. Research Attributes
1.4. Scope of the Study
- 1.4.1. Market Definition
- 1.4.2. Market Segmentation
1.5. Research Assumption
- 1.5.1. Inclusion & Exclusion
- 1.5.2. Limitations
- 1.5.3. Years Considered for the Study

Chapter 2. Executive Summary

2.1. CEO/CXO Standpoint
2.2. Strategic Insights
2.3. ESG Analysis
2.4. key Findings

Chapter 3. Global API Testing Market Forces Analysis

3.1. Market Forces Shaping The Global API Testing Market (2024-2035)
3.2. Drivers
- 3.2.1. Growing importance of seamless user experiences
- 3.2.2. Rising security concerns
3.3. Restraints
- 3.3.1. High implementation costs
3.4. Opportunities
- 3.4.1. Ever-increasing reliance on cloud-native applications

Chapter 4. Global API Testing Industry Analysis

4.1. Porter's 5 Forces Model
- 4.1.1. Bargaining Power of Buyer
- 4.1.2. Bargaining Power of Supplier
- 4.1.3. Threat of New Entrants
- 4.1.4. Threat of Substitutes
- 4.1.5. Competitive Rivalry
4.2. Porter's 5 Force Forecast Model (2024-2035)
4.3. PESTEL Analysis
- 4.3.1. Political
- 4.3.2. Economical
- 4.3.3. Social
- 4.3.4. Technological
- 4.3.5. Environmental
- 4.3.6. Legal
4.4. Top Investment Opportunities
4.5. Top Winning Strategies (2025)
4.6. Market Share Analysis (2024-2025)
4.7. Global Pricing Analysis And Trends 2025
4.8. Analyst Recommendation & Conclusion

Chapter 5. Global API Testing Market Size & Forecasts by Application Type 2025-2035

5.1. Market Overview
5.2. Global API Testing Market Performance - Potential Analysis (2025)
5.3. Web API Testing
- 5.3.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 5.3.2. Market size analysis, by region, 2025-2035
5.4. Mobile API Testing
- 5.4.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 5.4.2. Market size analysis, by region, 2025-2035
5.5. Database API Testing
- 5.5.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 5.5.2. Market size analysis, by region, 2025-2035
5.6. SOA API Testing
- 5.6.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 5.6.2. Market size analysis, by region, 2025-2035
5.7. Cloud API Testing
- 5.7.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 5.7.2. Market size analysis, by region, 2025-2035

Chapter 6. Global API Testing Market Size & Forecasts by Deployment Type 2025-2035

6.1. Market Overview
6.2. Global API Testing Market Performance - Potential Analysis (2025)
6.3. On premises
- 6.3.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 6.3.2. Market size analysis, by region, 2025-2035
6.4. Cloud Based
- 6.4.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 6.4.2. Market size analysis, by region, 2025-2035

Chapter 7. Global API Testing Market Size & Forecasts by Industry Vertical 2025-2035

7.1. Market Overview
7.2. Global API Testing Market Performance - Potential Analysis (2025)
7.3. IT & Telecom
- 7.3.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 7.3.2. Market size analysis, by region, 2025-2035
7.4. Healthcare
- 7.4.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 7.4.2. Market size analysis, by region, 2025-2035
7.5. BFSI
- 7.5.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 7.5.2. Market size analysis, by region, 2025-2035
7.6. Retail
- 7.6.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 7.6.2. Market size analysis, by region, 2025-2035
7.7. Manufacturing
- 7.7.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 7.7.2. Market size analysis, by region, 2025-2035

Chapter 8. Global API Testing Market Size & Forecasts by Test Category 2025-2035

8.1. Market Overview
8.2. Global API Testing Market Performance - Potential Analysis (2025)
8.3. Functional Testing
- 8.3.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 8.3.2. Market size analysis, by region, 2025-2035
8.4. Performance Testing
- 8.4.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 8.4.2. Market size analysis, by region, 2025-2035
8.5. Security Testing
- 8.5.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 8.5.2. Market size analysis, by region, 2025-2035
8.6. Compliance Testing
- 8.6.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 8.6.2. Market size analysis, by region, 2025-2035

Chapter 9. Global API Testing Market Size & Forecasts by Tool Type 2025-2035

9.1. Market Overview
9.2. Global API Testing Market Performance - Potential Analysis (2025)
9.3. Open Source
- 9.3.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 9.3.2. Market size analysis, by region, 2025-2035
9.4. Commercial
- 9.4.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 9.4.2. Market size analysis, by region, 2025-2035
9.5. SaaS
- 9.5.1. Top Countries Breakdown Estimates & Forecasts, 2024-2035
- 9.5.2. Market size analysis, by region, 2025-2035

Chapter 10. Global API Testing Market Size & Forecasts by Region 2025-2035

10.1. Growth API Testing Market, Regional Market Snapshot
10.2. Top Leading & Emerging Countries
10.3. North America API Testing Market
- 10.3.1. U.S. API Testing Market
  - 10.3.1.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.3.1.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.3.1.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.3.1.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.3.1.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.3.2. Canada API Testing Market
  - 10.3.2.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.3.2.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.3.2.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.3.2.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.3.2.5. Tool Type breakdown size & forecasts, 2025-2035
10.4. Europe API Testing Market
- 10.4.1. UK API Testing Market
  - 10.4.1.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.4.1.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.4.1.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.4.1.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.4.1.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.4.2. Germany API Testing Market
  - 10.4.2.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.4.2.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.4.2.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.4.2.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.4.2.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.4.3. France API Testing Market
  - 10.4.3.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.4.3.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.4.3.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.4.3.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.4.3.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.4.4. Spain API Testing Market
  - 10.4.4.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.4.4.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.4.4.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.4.4.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.4.4.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.4.5. Italy API Testing Market
  - 10.4.5.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.4.5.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.4.5.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.4.5.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.4.5.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.4.6. Rest of Europe API Testing Market
  - 10.4.6.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.4.6.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.4.6.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.4.6.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.4.6.5. Tool Type breakdown size & forecasts, 2025-2035
10.5. Asia Pacific API Testing Market
- 10.5.1. China API Testing Market
  - 10.5.1.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.5.1.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.5.1.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.5.1.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.5.1.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.5.2. India API Testing Market
  - 10.5.2.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.5.2.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.5.2.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.5.2.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.5.2.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.5.3. Japan API Testing Market
  - 10.5.3.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.5.3.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.5.3.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.5.3.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.5.3.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.5.4. Australia API Testing Market
  - 10.5.4.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.5.4.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.5.4.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.5.4.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.5.4.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.5.5. South Korea API Testing Market
  - 10.5.5.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.5.5.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.5.5.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.5.5.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.5.5.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.5.6. Rest of APAC API Testing Market
  - 10.5.6.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.5.6.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.5.6.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.5.6.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.5.6.5. Tool Type breakdown size & forecasts, 2025-2035
10.6. Latin America API Testing Market
- 10.6.1. Brazil API Testing Market
  - 10.6.1.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.6.1.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.6.1.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.6.1.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.6.1.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.6.2. Mexico API Testing Market
  - 10.6.2.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.6.2.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.6.2.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.6.2.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.6.2.5. Tool Type breakdown size & forecasts, 2025-2035
10.7. Middle East and Africa API Testing Market
- 10.7.1. UAE API Testing Market
  - 10.7.1.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.7.1.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.7.1.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.7.1.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.7.1.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.7.2. Saudi Arabia (KSA) API Testing Market
  - 10.7.2.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.7.2.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.7.2.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.7.2.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.7.2.5. Tool Type breakdown size & forecasts, 2025-2035
- 10.7.3. South Africa API Testing Market
  - 10.7.3.1. Application Type breakdown size & forecasts, 2025-2035
  - 10.7.3.2. Deployment Type breakdown size & forecasts, 2025-2035
  - 10.7.3.3. Industry Vertical breakdown size & forecasts, 2025-2035
  - 10.7.3.4. Test Category breakdown size & forecasts, 2025-2035
  - 10.7.3.5. Tool Type breakdown size & forecasts, 2025-2035

Chapter 11. Competitive Intelligence

11.1. Top Market Strategies
11.2. SmartBear Software
- 11.2.1. Company Overview
- 11.2.2. Key Executives
- 11.2.3. Company Snapshot
- 11.2.4. Financial Performance (Subject to Data Availability)
- 11.2.5. Product/Services Port
- 11.2.6. Recent Development
- 11.2.7. Market Strategies
- 11.2.8. SWOT Analysis
11.3. Parasoft Corporation
11.4. Tricentis GmbH
11.5. Broadcom Inc.
11.6. IBM Corporation
11.7. Oracle Corporation
11.8. Micro Focus International Plc
11.9. Postman Inc.
11.10. Sauce Labs Inc.
11.11. Vector Informatik GmbH
11.12. Akamai Technologies Inc.
11.13. Google LLC
11.14. Microsoft Corporation
11.15. Amazon Web Services Inc.
11.16. Infosys Limited