A commercial API and MCP toolset for agents needing keyword research, SERP and ranking data, backlinks, site audits, marketplace searches, maps listings, brand mentions, tech stacks, and WHOIS data. Paid per call via x402.
Prices and medians update for the tier you select.
Ranked by how closely each one matches SEO and Keyword Data API's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.