Deciding whether to build or buy integrations is a significant consideration for engineers and product managers, as it impacts team capacity, security posture, and project timelines. Integration outsourcing involves relying on third-party platforms, businesses, freelancers, or contractors to provide and maintain integrations. Factors such as engineering capacity, employee morale, and time-to-market pressure influence whether an organization should outsource or keep integrations in-house. If outsourcing is chosen, organizations should evaluate integration platforms based on reviews, free trials, security features, and specific business needs. Merge is highlighted as a platform offering a single API for building numerous integrations across software categories, with features like Integration Observability and security compliance. The platform aims to streamline customer-facing integrations and is recommended for businesses needing scalable and reliable integration solutions.