4 guides
Ratings, complaints and reviews for US service businesses
US business reputation and service-provider data from the Better Business Bureau, Thumbtack and EnergySage: ratings, complaints, reviews, accreditation and installer pricing, and the difference between a rating and a review.

Ratings vs reviews vs complaints
Three US sources of service-business reputation data, and why they are not interchangeable: a BBB letter grade ignores reviews, Thumbtack has reviews and demand but no contact details, and EnergySage prices places rather than installers.

Better Business Bureau API
BBB runs an API that requires approval and restricts complaint and review data to internal use. What the public site serves instead — a search box, category pages, profile pages and 575 sitemap files — and why the search box is the wrong sample.

Thumbtack API
Thumbtack's API is a partner platform for integrations, not a data export. What its public pages hold, why three quarters of the professionals are behind a button, why page 2 is page 1, and why no tool can return a pro's phone number.

EnergySage reviews and installers
What EnergySage publishes about solar installers, their customer reviews and local solar costs, field by field with sample sizes — and why the 6,822-profile directory is not an installer list.