Real-time SEO monitoring and change detection
ContentKing monitors your site 24/7 for SEO changes: missing tags, broken links, redirect issues, and content modifications. The API exposes audit data for custom alerting workflows.
Pricing
Plans from $57/month based on page count
Use cases
Desktop crawler with CLI and scheduling capabilities
Screaming Frog's CLI and API enable automated crawling pipelines for technical audits, broken link detection, redirect analysis, and on-page SEO checks.
Pricing
Free: 500 URLs; License: £259/year
Use cases
Visual crawl data and technical SEO insights
Sitebulb's cloud API enables automated crawls with rich visualization data including link flow diagrams, crawl depth analysis, and structured hint-based audit reports.
Pricing
Desktop from £13.50/month; Cloud from £45/month
Use cases
Enterprise site intelligence and crawl analytics
Formerly DeepCrawl, Lumar provides enterprise-scale crawling with deep technical analysis. The API delivers crawl data, trend tracking, and custom segment filtering.
Pricing
Custom enterprise pricing; contact for quote
Use cases
Data science-driven SEO crawling and log analysis
OnCrawl combines crawl data with log file analysis and ranking data for a complete technical SEO view. The API enables automated crawl ingestion and cross-data analysis.
Pricing
Plans from $49/month; API on all plans
Use cases
Unified SEO data platform with crawl, log, and rank data
Botify connects crawl data, server logs, and search performance into a unified platform. The API delivers structured access to crawl health, indexability, and ranking correlation.
Pricing
Enterprise pricing; contact for quote
Use cases
Page speed and uptime monitoring API
Monitor site speed, uptime, and performance from 100+ global locations. Pingdom's API is useful for tracking Core Web Vitals-related performance and alerting on downtime.
Pricing
Plans from $14.95/month
Use cases