Developer API — Free Multi-Market Equity Data

SurgeFlow exposes a free, public, read-only JSON API over its eight-market equity research stack. Browse a live endpoint catalog, claim a free key, and read transparent rate limits before you build. The data is for research, not investment advice.

Endpoint catalog

Endpoints cover saved screens, real-time momentum, the daily momentum hotlist, and per-market summaries across US, China, Japan, Hong Kong, Taiwan, Korea, India, and the UK. Each endpoint documents its parameters and response shape so you can integrate without guesswork.

Free keys and rate limits

A self-service free tier issues a unique key with a published daily request budget. Limits are stated up front rather than discovered by trial, and the read-only design means the API surfaces data without ever placing trades or moving money.

What the data covers

Responses draw on the same point-in-time, survivorship-aware datasets that power the site's Factors, Momentum, and Fundamentals surfaces, so what you query through the API matches what you can verify in the UI.