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 15 August 2026, with comparisons to the same periods in the previous two years.

6 months to
15 Aug 2026
Same period 2025 Same period 2024
Rank 123 127 117
Rank change year-on-year +4 -10 +36
Contract jobs citing API Testing 14 5 11
As % of all contract jobs in the City of London 0.59% 0.27% 0.53%
As % of the Processes & Methodologies category 0.68% 0.29% 0.58%
Number of daily rates quoted 6 1 11
10th Percentile £538 - £363
25th Percentile £550 £575 £416
Median daily rate (50th Percentile) £613 £600 £568
Median % change year-on-year +2.08% +5.73% +3.18%
75th Percentile £694 £625 £650
90th Percentile £709 - £675
Central London median daily rate £613 £488 £475
% change year-on-year +25.64% +2.58% -13.59%

All Process & 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 2,066 1,754 1,903
As % of all contract IT jobs advertised in the City of London 87.58% 94.25% 91.76%
Number of daily rates quoted 1,414 1,151 1,271
10th Percentile £380 £325 £375
25th Percentile £456 £425 £475
Median daily rate (50th Percentile) £550 £550 £575
Median % change year-on-year - -4.35% -4.17%
75th Percentile £675 £675 £688
90th Percentile £775 £773 £788
Central London median daily rate £550 £550 £575
% change year-on-year - -4.35% -4.17%
Number of hourly rates quoted 26 22 16
10th Percentile £17.60 £17.35 £15.00
25th Percentile £17.89 £23.98 £19.79
Median hourly rate £19.50 £28.33 £26.63
Median % change year-on-year -31.16% +6.38% -3.18%
75th Percentile £32.57 £53.50 £82.19
90th Percentile £58.75 £63.75 £137.50
Central London median hourly rate £23.16 £29.07 £26.78
% change year-on-year -20.33% +8.55% -23.49%

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 (7.14%) Oracle SOA Suite
1 1 (7.14%) SharePoint
Cloud Services
1 6 (42.86%) GitHub
2 4 (28.57%) Amazon CloudWatch
2 4 (28.57%) Amazon EC2
2 4 (28.57%) Amazon S3
2 4 (28.57%) AWS
2 4 (28.57%) AWS Lambda
2 4 (28.57%) Serverless
3 3 (21.43%) Azure
3 3 (21.43%) Azure DevOps
4 2 (14.29%) GitHub Actions
5 1 (7.14%) GitHub Copilot
5 1 (7.14%) Microsoft Copilot
Database & Business Intelligence
1 4 (28.57%) Amazon Athena
1 4 (28.57%) Amazon RDS
1 4 (28.57%) DynamoDB
2 2 (14.29%) Data Warehouse
2 2 (14.29%) Oracle Database
2 2 (14.29%) PostgreSQL
3 1 (7.14%) Big Data
3 1 (7.14%) Relational Database
3 1 (7.14%) Tableau
Development Applications
1 7 (50.00%) Jenkins
2 6 (42.86%) Cucumber
2 6 (42.86%) GitLab
2 6 (42.86%) Postman
3 5 (35.71%) Git
3 5 (35.71%) JIRA
3 5 (35.71%) JUnit
3 5 (35.71%) Mockito
4 2 (14.29%) Gatling
4 2 (14.29%) JMeter
4 2 (14.29%) Selenium
5 1 (7.14%) Appium
5 1 (7.14%) Cypress.io
5 1 (7.14%) eggPlant
5 1 (7.14%) LoadRunner
5 1 (7.14%) REST Assured
5 1 (7.14%) Robot Framework
5 1 (7.14%) SoapUI
5 1 (7.14%) SonarQube
5 1 (7.14%) WebDriver
General
1 10 (71.43%) Finance
2 7 (50.00%) Banking
3 2 (14.29%) Social Skills
4 1 (7.14%) Analytical Skills
4 1 (7.14%) Manufacturing
4 1 (7.14%) Marketing
Job Titles
1 6 (42.86%) Automation Engineer
2 2 (14.29%) Developer
2 2 (14.29%) Developer in Test
2 2 (14.29%) QA Engineer
2 2 (14.29%) Senior
2 2 (14.29%) Senior Developer
2 2 (14.29%) Senior Software Developer
2 2 (14.29%) Software Developer
3 1 (7.14%) Analyst
3 1 (7.14%) Automation Tester
3 1 (7.14%) Credit Analyst
3 1 (7.14%) Credit Risk Analyst
3 1 (7.14%) Process Engineer
3 1 (7.14%) Product Analyst
3 1 (7.14%) QA Automation Engineer
3 1 (7.14%) Risk Analyst
3 1 (7.14%) Technical Manager
3 1 (7.14%) Test Engineer
3 1 (7.14%) Test Manager
3 1 (7.14%) Tester
Libraries, Frameworks & Software Standards
1 6 (42.86%) Kafka
1 6 (42.86%) SOAP
2 5 (35.71%) Gherkin
2 5 (35.71%) Playwright
2 5 (35.71%) WireMock
3 4 (28.57%) Spring
3 4 (28.57%) Spring Boot
3 4 (28.57%) YAML
4 3 (21.43%) REST
5 2 (14.29%) HTML
5 2 (14.29%) WPF
5 2 (14.29%) XML
6 1 (7.14%) .NET
6 1 (7.14%) ADO
6 1 (7.14%) CSS
6 1 (7.14%) JSON
6 1 (7.14%) Middleware
6 1 (7.14%) React
6 1 (7.14%) Web Services
6 1 (7.14%) XBRL
Miscellaneous
1 2 (14.29%) Product Ownership
2 1 (7.14%) AI Agents
2 1 (7.14%) Credit Risk
2 1 (7.14%) Legacy Systems
2 1 (7.14%) Low-Code
2 1 (7.14%) Onboarding
Operating Systems
1 1 (7.14%) Android
1 1 (7.14%) Apple iOS
1 1 (7.14%) Linux
1 1 (7.14%) Unix
Processes & Methodologies
1 12 (85.71%) Test Automation
2 10 (71.43%) CI/CD
3 9 (64.29%) Agile
4 7 (50.00%) BDD
5 4 (28.57%) Issue Tracking
5 4 (28.57%) OOP
5 4 (28.57%) Webhook
6 3 (21.43%) AI
6 3 (21.43%) DevOps
6 3 (21.43%) End-to-End Testing
6 3 (21.43%) ETL
6 3 (21.43%) Software Testing
6 3 (21.43%) Validation
7 2 (14.29%) Performance Testing
7 2 (14.29%) Refactoring
7 2 (14.29%) Scrum
7 2 (14.29%) SDET
7 2 (14.29%) Security Testing
7 2 (14.29%) Software Engineering
7 2 (14.29%) Test Strategy
Programming Languages
1 8 (57.14%) Java
2 6 (42.86%) C#
3 4 (28.57%) SQL
4 3 (21.43%) JavaScript
4 3 (21.43%) Python
4 3 (21.43%) TypeScript
5 1 (7.14%) Groovy
5 1 (7.14%) Kotlin
5 1 (7.14%) VB.NET
Qualifications
1 1 (7.14%) Degree
1 1 (7.14%) ISEB
1 1 (7.14%) ISTQB
1 1 (7.14%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 3 (21.43%) QA
2 2 (14.29%) Accessibility
3 1 (7.14%) GDPR
3 1 (7.14%) Sarbanes-Oxley
3 1 (7.14%) WCAG
System Software
1 4 (28.57%) Docker
Systems Management
1 4 (28.57%) Kubernetes
2 1 (7.14%) Control-M
2 1 (7.14%) HP Fortify
Vendors
1 3 (21.43%) Microsoft
2 2 (14.29%) Oracle
3 1 (7.14%) Guidewire
3 1 (7.14%) IBM
3 1 (7.14%) SAP