The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring API Testing skills. It covers permanent job vacancies from the 6 months leading up to 3 November 2025, with comparisons to the same periods in the previous two years.
API Testing falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in the City of London.
Permanent vacancies with a requirement for process or methodology skills
1,520
2,579
2,910
As % of all permanent jobs advertised in the City of London
95.66%
94.02%
95.16%
Number of salaries quoted
1,190
1,689
2,625
10th Percentile
£40,000
£46,250
£41,250
25th Percentile
£56,250
£55,000
£55,000
Median annual salary (50th Percentile)
£75,000
£75,000
£75,000
75th Percentile
£97,188
£95,000
£96,250
90th Percentile
£121,375
£115,000
£115,750
Central London median annual salary
£75,000
£75,000
£72,750
% change year-on-year
-
+3.09%
-2.02%
API Testing Job Vacancy Trend in the City of London
Historical trend showing the proportion of permanent IT job postings citing API Testing relative to all permanent IT jobs advertised in the City of London.
API Testing Salary Trend in the City of London
Salary distribution trend for jobs in the City of London citing API Testing.
API Testing Salary Histogram in the City of London
Salary distribution for jobs citing API Testing in the City of London over the 6 months to 3 November 2025.
API Testing Top 30 Co-Occurring Skills & Capabilities in the City of London
For the 6 months to 3 November 2025, job vacancies citing API Testing also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for 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:
