API integration projects present unique challenges due to varying endpoints, documentation, and partnership requirements, making them inherently complex endeavors. Common difficulties include maintaining integration performance, addressing deprecated features, scaling integrations effectively, and quickly communicating error resolutions to clients. Further complicating matters, forming partnerships with third-party API providers can be costly and fraught with unclear rejection reasons. Merge's Unified API platform seeks to alleviate these challenges by offering a single-build solution that allows scaling of product integrations with ease, supported by Partner Engineers who maintain integrations and Integration Observability tools to assist customer-facing teams in identifying and resolving issues. The platform also features Merge Link, a UI component that facilitates seamless customer connections, thereby reducing the burden on engineers and expediting integration processes.