Software as a service (SaaS) services featuring software using artificial intelligence to evaluate the reliability, credibility, accuracy, provenance, recency, completeness, and consistency of digital content, documents, data sources, electronic communications, and AI-generated content; providing temporary use of online non-downloadable software for generating, displaying, explaining, and monitoring information trustworthiness scores and assessments, verifying citations and supporting sources, identifying contradictions and potential bias, and generating related reports, alerts, and recommendations; providing temporary use of online non-downloadable software for integrating such scores and assessments into third-party applications and workflows through application programming interfaces (APIs).