{"service":"SRS API","version":"1.0.0","description":"Spaced Repetition System using FSRS algorithm","endpoints":{"create_card":"POST /srs/cards","get_next_card":"GET /srs/cards/next?language={lang}","get_due_cards":"GET /srs/cards/due?language={lang}&limit={n}","review_card":"POST /srs/reviews","get_retrievability":"GET /srs/cards/{id}/retrievability","health":"GET /health"},"authentication":"Bearer token required in Authorization header"}