국민연금보험료 사업장별 월별 고지금액·납부금액(납부확인서)을 간편인증으로 조회합니다. 조회 연도 범위 안의 월별 내역과 총계를 사업장(또는 지역·개별납부) 단위로 반환. (OACX 간편인증 전용 — 인증서 미지원. 조회 전용 — 발급번호·PDF 없음) — Korean National Pension monthly premium notice/payment history per workplace. Requires user identity auth.
curl -X POST "https://apitree.ai/api/v1/proxy/kr-nps-premium-payment-history" \
-H "Authorization: Bearer nxs_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-H "X-Idempotency-Key: <unique-id>" \
-d '{"auth":"quick","ownerName":"<ownerName>","phoneNo":"<phoneNo>","birthday":"<birthday>"}'
# repeat every 3 s until status is "done" or "failed" (stop on 410/504; a job unfinished after 8 minutes expires)
curl "https://apitree.ai/api/v1/jobs/<job_id>" \
-H "Authorization: Bearer nxs_live_YOUR_KEY"