With my strong background in data science and proficient skills in Python, I can swiftly identify and resolve the issue you're facing with your SendGrid API. My extensive experience with RESTful API, server management, and email integration troubleshooting will prove vital in determining why your server has blocked the IP address. I've consistently demonstrated my ability to think methodically and critically to solve problems efficiently - an essential skill given your project's urgency.
Furthermore, my proficiency in using industry-standard libraries like Scikit-learn, Keras, and OpenCV can add value to your project even beyond fixing the immediate problem. These libraries have provided me with robust tools to analyze issues from different angles, enabling me to implement long-lasting solutions.
Most importantly, I appreciate your need for promptness and efficiency. Thus, I commit myself to quickly diagnosing the problem once assigned this project and ensuring that you'll regain full functionality of your SendGrid API without any further complications. I look forward to contributing my skills towards resolving this matter and adding value to ensuing projects as well. Feel free to reach out so we can discuss further details.