Part 2 of the series highlights the complexities and challenges of building, deploying, and supporting software integrations from an engineering perspective, as experienced by the CTO of Prismatic. The author discusses several key pain points that make integration work difficult, including the prevalence of non-standard APIs, unclear requirements, poor documentation, and the mixing of integration logic with main application code. Additionally, the author notes the challenges in proper testing and insufficient logging and alerting systems, which can complicate troubleshooting and support in production environments. Despite the existence of advanced technologies like REST and GraphQL, many industries still rely on outdated protocols, adding to the integration burden. The article underscores the importance of Prismatic's integration platform, which aims to alleviate these difficulties with purpose-built tools tailored for engineering teams. Through personal anecdotes and industry insights, the piece paints a vivid picture of the integration landscape and invites readers to share their own experiences and challenges.