backlinks.sh vs Semust API

backlinks.sh has no write-up on Specifiction yet; its figures are above.

Semust API is the API offering within Semust, an AI-powered marketing and SEO platform for keyword research, content management, and digital marketing. Its SERP API returns real-time Google result data, including organic listings, ads, People Also Ask, AI Overview, images, and Knowledge Panel information. The Keyword Research API provides search volume, keyword difficulty, CPC, search intent, and related suggestions through one endpoint. Example requests use HTTP headers for API authentication, and the API uses REST. The wider platform lists rank tracking, technical SEO checks, backlink analysis, AI content generation, internal linking, and reporting. Connections include Google Search Console, Google Ads, Google Analytics, Meta Ads, WordPress, Bing Webmaster, and Yandex Metrica. A free Chrome extension can show page outlines, check link status codes, and inspect JSON-LD. The free plan is a 14-day trial without a credit card; paid plans start at $19 a month and have plan-specific credit, tracking, and project limits.