API Testing Contract Job Trends in the City of London

API Testing
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring API Testing skills. It covers contract job vacancies from the 6 months leading up to 27 December 2025, with comparisons to the same periods in the previous two years.

6 months to
27 Dec 2025
Same period 2024 Same period 2023
Rank 122 103 125
Rank change year-on-year -19 +22 +36
Contract jobs citing API Testing 3 18 9
As % of all contract jobs in the City of London 0.16% 0.88% 0.36%
As % of the Processes & Methodologies category 0.18% 0.96% 0.40%
Number of daily rates quoted 3 15 8
10th Percentile £400 £283 £267
25th Percentile £466 £394 £386
Median daily rate (50th Percentile) £600 £425 £450
Median % change year-on-year +41.18% -5.56% -23.73%
75th Percentile £619 £613 £488
90th Percentile £623 £675 £570
Central London median daily rate £525 £425 £450
% change year-on-year +23.53% -5.56% -23.73%

All Process and Methodology Skills
City of London

API Testing falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in the City of London.

Contract vacancies with a requirement for process or methodology skills 1,669 1,883 2,238
As % of all contract IT jobs advertised in the City of London 90.36% 92.17% 89.59%
Number of daily rates quoted 1,173 1,150 1,597
10th Percentile £340 £363 £363
25th Percentile £420 £463 £463
Median daily rate (50th Percentile) £540 £575 £575
Median % change year-on-year -6.09% - -0.86%
75th Percentile £675 £688 £688
90th Percentile £756 £788 £800
Central London median daily rate £550 £575 £575
% change year-on-year -4.35% - -
Number of hourly rates quoted 16 15 10
10th Percentile £20.18 £15.80 £17.00
25th Percentile £24.52 £22.00 £17.48
Median hourly rate £31.00 £42.50 £26.25
Median % change year-on-year -27.06% +61.90% -38.95%
75th Percentile £42.12 £102.25 £44.56
90th Percentile £50.63 £127.30 £74.13
Central London median hourly rate £26.50 £35.00 £27.50
% change year-on-year -24.29% +27.27% -34.13%

API Testing
Job Vacancy Trend in the City of London

Historical trend showing the proportion of contract IT job postings citing API Testing relative to all contract IT jobs advertised in the City of London.

API Testing job vacancy trend in the City of London

API Testing
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing API Testing.

Contractor daily rate distribution trend for jobs in the City of London citing API Testing

API Testing
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing API Testing in the City of London over the 6 months to 27 December 2025.

Daily rate histogram for API Testing in the City of London

API Testing
Co-Occurring Skills & Capabilities in the City of London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 1 (33.33%) Confluence
Business Applications
1 1 (33.33%) NetSuite
Cloud Services
1 2 (66.67%) AWS
2 1 (33.33%) Amazon CloudWatch
2 1 (33.33%) Azure
2 1 (33.33%) Azure DevOps
2 1 (33.33%) Dynamics 365
2 1 (33.33%) GitHub
2 1 (33.33%) GitHub Actions
Development Applications
1 3 (100.00%) Selenium
2 2 (66.67%) Cucumber
2 2 (66.67%) Cypress.io
2 2 (66.67%) Jenkins
2 2 (66.67%) JIRA
2 2 (66.67%) Postman
3 1 (33.33%) Gatling
3 1 (33.33%) GitLab
3 1 (33.33%) Hamcrest
3 1 (33.33%) JUnit
3 1 (33.33%) Serenity BDD
3 1 (33.33%) SonarQube
3 1 (33.33%) SpecFlow
3 1 (33.33%) TestRail
3 1 (33.33%) Zephyr
General
1 2 (66.67%) Finance
2 1 (33.33%) Banking
2 1 (33.33%) Social Skills
Job Titles
1 2 (66.67%) Senior
2 1 (33.33%) Automation Tester
2 1 (33.33%) AWS Consultant
2 1 (33.33%) Consultant
2 1 (33.33%) Senior Consultant
2 1 (33.33%) Senior Test Consultant
2 1 (33.33%) Test Consultant
2 1 (33.33%) Tester
Libraries, Frameworks & Software Standards
1 1 (33.33%) JSON
1 1 (33.33%) Playwright
1 1 (33.33%) WireMock
1 1 (33.33%) XML
Miscellaneous
1 1 (33.33%) Cloud Native
1 1 (33.33%) Distributed Systems
1 1 (33.33%) Linux Command Line
Operating Systems
1 1 (33.33%) Linux
Processes & Methodologies
1 3 (100.00%) Agile
1 3 (100.00%) CI/CD
1 3 (100.00%) DevOps
1 3 (100.00%) Test Automation
2 1 (33.33%) Acceptance Criteria
2 1 (33.33%) Continuous Improvement
2 1 (33.33%) Data Management
2 1 (33.33%) Defect Management
2 1 (33.33%) Design Patterns
2 1 (33.33%) Exploratory Testing
2 1 (33.33%) Order Management
2 1 (33.33%) Performance Testing
2 1 (33.33%) SDET
2 1 (33.33%) Software Engineering
2 1 (33.33%) Software Testing
2 1 (33.33%) SOLID
2 1 (33.33%) TDD
2 1 (33.33%) Test Assurance
2 1 (33.33%) Test Strategy
2 1 (33.33%) User Stories
Programming Languages
1 3 (100.00%) Java
2 2 (66.67%) Python
3 1 (33.33%) C#
3 1 (33.33%) JavaScript
3 1 (33.33%) XPath
Qualifications
1 1 (33.33%) SC Cleared
1 1 (33.33%) Security Cleared
Quality Assurance & Compliance
1 1 (33.33%) QA
System Software
1 1 (33.33%) Docker
Vendors
1 1 (33.33%) Microsoft
1 1 (33.33%) Oracle
1 1 (33.33%) SAP
1 1 (33.33%) Splunk
1 1 (33.33%) Workday