The ultimate guide to hiring a web developer in 2021
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API Testing is the process of testing Application Programming Interfaces (APIs) to ensure that they are working correctly and achieving the expected results. APIs are integral for any software applications to communicate with each other, as they provide data exchange and flow of information between different applications. A qualified API Testing Expert can ensure that the communication between applications is secure, and that they meet the performance requirements of the end user.
API Testing Experts make sure to think like an “attacker” while performing API operations, while they expand the boundaries of API inputs to test. This involves traditional testing methods such as boundary value analysis, API workflow validations, boundary conditions and security patch testing. In addition their skills involve overseeing the debugging of API logical codes, assisting in 4GL programming related tools, creating automated API tests & scripts as well as load and stress test API process flows.
Here’s some projects that our API Testing Experts has made real:
Overall, a qualified API Testing Expert can provide comprehensive and reliable solution for your application software. These experts can fine tune your application software to ensure that it meets all system requirements and user demands efficiently. By hiring an experienced freelancer from Freelancer.com you can secure superior performance of your application software maintained in perfect condition. We invite you to post your own project on Freelancer.com today and get ready to hire an expert API Tester!
From 17,975 reviews, clients rate our API Testing Experts 4.93 out of 5 stars.API Testing is the process of testing Application Programming Interfaces (APIs) to ensure that they are working correctly and achieving the expected results. APIs are integral for any software applications to communicate with each other, as they provide data exchange and flow of information between different applications. A qualified API Testing Expert can ensure that the communication between applications is secure, and that they meet the performance requirements of the end user.
API Testing Experts make sure to think like an “attacker” while performing API operations, while they expand the boundaries of API inputs to test. This involves traditional testing methods such as boundary value analysis, API workflow validations, boundary conditions and security patch testing. In addition their skills involve overseeing the debugging of API logical codes, assisting in 4GL programming related tools, creating automated API tests & scripts as well as load and stress test API process flows.
Here’s some projects that our API Testing Experts has made real:
Overall, a qualified API Testing Expert can provide comprehensive and reliable solution for your application software. These experts can fine tune your application software to ensure that it meets all system requirements and user demands efficiently. By hiring an experienced freelancer from Freelancer.com you can secure superior performance of your application software maintained in perfect condition. We invite you to post your own project on Freelancer.com today and get ready to hire an expert API Tester!
From 17,975 reviews, clients rate our API Testing Experts 4.93 out of 5 stars.I need a seasoned tester to run a full round of functional QA on our web application. The scope is clear: validate the desktop user interface (Chrome only) and exercise every public API endpoint. On the UI side you will confirm that all screens, forms, and workflows behave as designed in Chrome, paying close attention to edge cases and regression areas flagged in our last sprint. Mobile and tablet views are out of scope for this phase, so your effort can stay tightly focused on the desktop experience. For the APIs, I will share our staging base URL, authentication keys, and an initial Postman collection. Feel free to enrich that collection—or replace it with RestAssured, SoapUI, or another tool you prefer—to cover positive, negative, and boundary scenarios. You will be checki...
I need a fresh Meta developer app and a WhatsApp Business account built around the phone number I will supply. Your job is to complete Facebook Business verification (if required), register the number, activate the WhatsApp Business API and hand over every credential I must plug into my CRM. I only require read-only access to the Meta developer account once everything is active; you can keep administrative control until I confirm the hand-off is successful. Integration work on my CRM is not necessary—just give me the data and prove the number can send a test message. Deliverables (share securely): • App ID and App Secret • Long-lived access token with whatsapp_business_messaging & whatsapp_business_management scopes • WhatsApp Business Account ID • P...
I need a detail-oriented tester who can move comfortably between hands-on manual checks, structured API exercises, and careful data entry while I finalise a USSD menu for release. The core goal is data accuracy: every figure pulled from, written to, or displayed by the system must be proven correct. Here is how the work breaks down. • Web and desktop builds of the product both require functional sweeps. You will follow existing user stories, expand on them where gaps appear, and record every deviation in a concise bug report. • Our REST endpoints need repeatable validation. Feel free to use Postman, JMeter, or another tool you prefer, but make sure assertions cover all status codes, payload structures, and edge-case parameters. • During each round of testing you will e...
I have developed a project on , I need it to be end-to-end tested against my BRD and the entire project made live on my domain. I will give access to lovable and my hosting account. WhatsApp business API integrated for notifications, my domain email integrated. All other customizations. I can do it myself since it is all prompt based but I am looking for a professional so that everything is properly tested and documented.
Job Description:
 We’re looking for a skilled and detail-oriented QA tester based in South Korea to help us test the API functionality of our payin and payout systems. You will play a key role in validating the reliability and accuracy of our payment processes, ensuring everything runs smoothly from start to finish. Scope of Work: * Conduct end-to-end testing of API-based payin and payout transactions * Monitor and record the full transaction process, including responses and behavior at each stage * Identify and report bugs or unexpected results with clear documentation * Work closely with developers to replicate issues and verify fixes * Offer suggestions to improve testing coverage and process reliability Requirements: * Must be physically located in South Korea (for regional pa...
Job Description:
 We’re looking for a skilled and detail-oriented QA tester based in TOGO to help us test the API functionality of our payin and payout systems. You will play a key role in validating the reliability and accuracy of our payment processes, ensuring everything runs smoothly from start to finish. Scope of Work: * Conduct end-to-end testing of API-based payin and payout transactions * Monitor and record the full transaction process, including responses and behavior at each stage * Identify and report bugs or unexpected results with clear documentation * Work closely with developers to replicate issues and verify fixes * Offer suggestions to improve testing coverage and process reliability Requirements: * Must be physically located in TOGO (for regional payment flow tes...
Preciso de um desenvolvedor experiente para revisar meu aplicativo de serviços. O foco principal é melhorar as funcionalidades e ativar chaves de API necessárias. Requisitos principais: - Revisão de Funcionalidades: O aplicativo precisa de ajustes nas funcionalidades existentes para garantir uma experiência de usuário fluida e eficiente. - Autenticação de Usuário: Precisamos assegurar que o sistema de autenticação de usuários seja seguro, confiável e fácil de usar. - Integração com Serviços Externos: Ativação e revisão de chaves de API para integração com serviços de terceiros. Habilidades e Experiência Ideais: - Sóli...
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
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