I need someone to fix coinpayments.net API problem

I can complete this for you no problem, since we're both from the UK communication won't be an issue!

Hi, I am Shivani and am having 9+ years of experience in .Net technology. I have great hands on delivering 15+ project with good quality of code. There must be some configuration issue with your merchant ID over the payment API Looking forward to hear from you. Thanks, Shivani

Hello, I would like to take this assignment. I am having 14 years of experience on web development, deployment and project management. Below are my core technical skills •ASP.Net /HTML/CSS/JavaScript/JQuery •C# and VB.Net SOLID Design Principles •MS SQL, AZURE SQL, MySql and non-relational databases like Azure Table storage, Azure Document Db and MongoDb •Entity Framework (Database first, Code first and OData) •Azure Service Bus, N Service Bus and Azure Service Fabric •AWS: EC2/S3/Elastic Beanstalk/RDS/LightSail •Restful API Development (using C#) and deployment on cloud •Team City and Octopus Server for Continuous Integration and deployment •VSS/TFS/GitHub/SVN/Bitbucket/VSO •Agile/Scrum/Kanban/Zendesk •JIRA/Confluence •Unit tests using nUnit and xUnit framework •Integration testing •Acceptance/ Behavioral testing using SpecFlow •API Authentication using JSON web token •JSON format for information exchange •Domain Driven Design (DDD) •Command Query Responsibilities Segregation (CQRS) •Owin Web hosting •QuartzNet for Cron job •SSRS and Crystal Reports •Integration and implementation of Carrier(DHL, UPS, FedEx,TNT) APIs in the ASP.Net application •Integration and implementation of payment gateway(PayPal, PayUMoney) APIs in the ASP.Net application Working on tools like: Zendesk, Autofac, AutoMapper, SeriLog, Elastic-Search, Kibana, RoboMongo, RabbitMQ, TopShelf Looking forward for further discussion and to start. Best Regards