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Thinkbase Data API

Thinkbase captures public opinion on current topics. Every prediction market tells you what people think. Thinkbase — the world’s first opinion market — tells you why.

What you get

  • Live voting percentages on 1,600+ debates across 14 categories
  • 40,000+ structured arguments tied to positions with upvote signals
  • Historical snapshots showing how opinion shifts over time
  • Search across debate titles and descriptions

Who uses this

  • Media and newsrooms embed live opinion data and cite real arguments
  • AI/LLM companies train on structured reasoning data
  • Political campaigns and pollsters track opinion with the reasoning behind it
  • Academic researchers study argumentation and persuasion at scale
  • Content creators find trending debates for content ideas

Quick start

1

Get an API key

Sign up at platform.trythinkbase.com to create your API key instantly.
2

Make your first request

3

Explore the data

Browse categories, check trending debates, or search for a topic.

Base URL

All API requests go to:

Response format

Every response returns JSON. List endpoints return paginated results:
Single-item endpoints and non-paginated lists (categories, trending, history) return the data directly: