Request example
curl -X POST https://api.gridzen.ai/api/v1/decisions/onboarding \
-H "X-API-Key: $API_KEY" \
-H "Content-Type: application/json" \
-d '{
"event": "onboarding",
"subject": {"email": "person@example.com"},
"context": {"country": "MX", "consent_reference": "consent-123"}
}'