FinTech API Testing Case Study
Business valuations and appraisals for SBA lenders and banks.
A1 — QA Testing
API Testing Services
Every endpoint, auth flow, and integration validated before backend failures reach users.
What we test
- 01
REST and GraphQL endpoints and responses
- 02
Authentication and authorization rules
- 03
Input validation and error handling
- 04
Contracts between services
- 05
Third-party integrations and webhooks
Our process
- Step 1
Map the API
Review specs and real traffic to list endpoints and risks.
- Step 2
Design test cases
Positive, negative, and boundary cases per endpoint.
- Step 3
Automate
API suites that run in CI on every change.
- Step 4
Report
Failures logged with requests, responses, and fixes suggested.
Tools
- Postman
- REST Assured
- Newman
- Pact
- Playwright