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 21 October 2025, with comparisons to the same periods in the previous two years.

6 months to
21 Oct 2025
Same period 2024 Same period 2023
Rank 114 109 132
Rank change year-on-year -5 +23 +38
Contract jobs citing API Testing 2 17 17
As % of all contract jobs in the City of London 0.12% 0.81% 0.59%
As % of the Processes & Methodologies category 0.12% 0.88% 0.66%
Number of daily rates quoted 2 14 14
10th Percentile £579 £278 £301
25th Percentile £584 £366 £416
Median daily rate (50th Percentile) £606 £566 £488
Median % change year-on-year +7.06% +16.15% -15.22%
75th Percentile £622 £666 £675
90th Percentile £624 £675 £725
Central London median daily rate £600 £488 £488
% change year-on-year +22.95% +0.10% -15.22%

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 1,603 1,936 2,567
As % of all contract IT jobs advertised in the City of London 94.52% 91.88% 89.57%
Number of daily rates quoted 1,099 1,194 1,786
10th Percentile £325 £375 £363
25th Percentile £421 £463 £475
Median daily rate (50th Percentile) £550 £575 £598
Median % change year-on-year -4.35% -3.77% +3.91%
75th Percentile £675 £688 £700
90th Percentile £763 £786 £813
Central London median daily rate £550 £575 £588
% change year-on-year -4.35% -2.13% +2.17%
Number of hourly rates quoted 17 17 17
10th Percentile £16.85 £16.70 £14.25
25th Percentile £20.18 £23.13 £17.00
Median hourly rate £26.57 £42.50 £27.50
Median % change year-on-year -37.48% +54.55% -36.05%
75th Percentile £36.00 £112.00 £46.75
90th Percentile £63.75 £137.50 £59.30
Central London median hourly rate £27.04 £35.00 £26.75
% change year-on-year -22.76% +30.84% -37.06%

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
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 (50.00%) Confluence
Cloud Services
1 2 (100.00%) AWS
2 1 (50.00%) Amazon CloudWatch
Development Applications
1 2 (100.00%) Cypress.io
1 2 (100.00%) Selenium
2 1 (50.00%) Cucumber
2 1 (50.00%) Gatling
2 1 (50.00%) GitLab
2 1 (50.00%) Hamcrest
2 1 (50.00%) Jenkins
2 1 (50.00%) JIRA
2 1 (50.00%) JUnit
2 1 (50.00%) Postman
2 1 (50.00%) Serenity BDD
2 1 (50.00%) SonarQube
General
1 1 (50.00%) Banking
1 1 (50.00%) Finance
1 1 (50.00%) Social Skills
Job Titles
1 2 (100.00%) Senior
2 1 (50.00%) AWS Consultant
2 1 (50.00%) Consultant
2 1 (50.00%) Senior Consultant
2 1 (50.00%) Senior Test Consultant
2 1 (50.00%) Test Consultant
Libraries, Frameworks & Software Standards
1 1 (50.00%) WireMock
Miscellaneous
1 1 (50.00%) Cloud Native
1 1 (50.00%) Distributed Systems
1 1 (50.00%) Linux Command Line
Operating Systems
1 1 (50.00%) Linux
Processes & Methodologies
1 2 (100.00%) Agile
1 2 (100.00%) CI/CD
1 2 (100.00%) DevOps
1 2 (100.00%) Test Automation
2 1 (50.00%) Acceptance Criteria
2 1 (50.00%) Continuous Improvement
2 1 (50.00%) Data Management
2 1 (50.00%) Design Patterns
2 1 (50.00%) Exploratory Testing
2 1 (50.00%) OOP
2 1 (50.00%) Performance Testing
2 1 (50.00%) Regression Testing
2 1 (50.00%) SDET
2 1 (50.00%) Software Engineering
2 1 (50.00%) Software Testing
2 1 (50.00%) SOLID
2 1 (50.00%) TDD
2 1 (50.00%) Test Assurance
2 1 (50.00%) Test Strategy
2 1 (50.00%) User Stories
Programming Languages
1 2 (100.00%) Java
2 1 (50.00%) JavaScript
2 1 (50.00%) Python
Qualifications
1 1 (50.00%) SC Cleared
1 1 (50.00%) Security Cleared
Quality Assurance & Compliance
1 1 (50.00%) QA
System Software
1 1 (50.00%) Docker
Vendors
1 1 (50.00%) Splunk