Social data API guides
Start with the task, then check supported operations, inputs, costs and missing data. Each guide links to implemented APIs and includes a price preview that does not spend credit.
Xiaohongshu & Douyin API: pay as you go, no cookies
Search RedNote and Douyin without supplying social-account cookies. Compare per-call prices, keyword inputs, returned fields and a two-call budget.
YouTube transcript & comments API: captions and cost
Retrieve available YouTube captions and a bounded comment sample with REST or MCP. Check transcript languages, timestamps, failures and exact call prices.
Meta Ad Library & Google Ads Transparency API
Research public Meta and Google ad creatives through REST and MCP. Compare brand-name vs company-domain search, per-call pricing and missing performance metrics.
Zhihu API coverage: search vs question answers
Check which Zhihu operations are enabled: keyword search and question answers, with per-call pricing. Details, comments and profiles are not advertised as live.