DEJ API

ProPublica data. Transferable Capital lens. The right signal changes everything.

The endpoints

GET/v1/org/search?q=

GET/v1/org/{ein}

GET/v1/org/{ein}/leadership

GET/v1/org/{ein}/tc-signals

Authentication

Send your API key in the x-api-key header on every request.

Example

curl https://api.dejsearch.com/v1/org/search?q=community+foundation \
  -H "x-api-key: YOUR_KEY"

Why this exists

The 990 data is commodity — anyone can get it from ProPublica. The signals are the product. Six derived metrics across Economic, Human, and Symbolic Capital, computed from filing history, with explainable reasoning for every score.