Keyword Discovery vs Moz API

Keyword Discovery compiles keyword statistics and search phrases used to find products and services, including terms that bring traffic to competitors. Its tools cover historical trends, competitor research, Keyword Effectiveness Indicator analysis, PPC bid values, keyword density, and domain research. The maker says its database contains nearly 38 billion searches from more than 200 search engines worldwide; it says collection happens daily and the online database is updated monthly. Listed regional databases cover Australia, Canada, the Netherlands, France, Germany, Italy, Norway, Poland, Portugal, Spain, Sweden, the UK, and the US. Results can be saved in projects and copied, renamed, translated, or exported. Keywords can be imported from Excel, text files, meta tags, and URLs. An XML API can supply keyword suggestions to a website or support a research tool. The service is aimed at SEO, PPC campaigns, niche marketing, and domain parking. The Standard plan is free. Professional costs $49.95 a month, and Enterprise XML API Access costs $495 a month. Free trial users can see at most 10 results per query; paid subscribers can access up to 1,000 through the website interface. The service is available on the web and through an API.

Moz API has no write-up on Specifiction yet; its figures are above.