{"name":"SB Checker API","version":"1.0","authentication":"Authorization: Bearer sbck_...","endpoints":{"GET /health":"Gateway health check","GET /v1/account":"Plan, expiry and daily usage","POST /v1/whatsapp/check":{"body":{"numbers":["+8801..."]}},"POST /v1/whatsapp/qr":{"body":{"phone_number":"+8801...","type":"personal|business"}},"POST /v1/whatsapp/link":{"body":{"phone_number":"+8801...","type":"personal|business"}},"GET /v1/whatsapp/devices":"List only the caller's devices","POST /v1/whatsapp/disconnect":{"body":{"phone_number":"+8801...","type":"personal|business"}},"POST /v1/telegram/check":{"body":{"numbers":["+8801..."]}},"POST /v1/number/send":{"body":{"number":"+8801..."}}}}