{"slug":"api-magentlab-com-api-calc-psad-0b1d9e","title":"Benson 1992 PSA density","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/psad","category":"other","description":"Benson 1992 PSA density: psa_ng_ml / prostate volume (ml). Volume is length_cm × width_cm × depth_cm × 0.5 (D1×D2×D3×1/2), not π/6. Provide PSA with prostate_volume_ml (1-500) or three dimensions (1-20 cm each), not both. Reports dimensionless psad to 3 decimals and retrospective bands <=0.05, 0.05-","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":267,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"items":[{"depth_cm":4,"length_cm":4,"prostate_volume_ml":40,"psa_ng_ml":4,"width_cm":4},{"depth_cm":4,"length_cm":4,"prostate_volume_ml":40,"psa_ng_ml":4,"width_cm":4}]},"method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"items":{"items":{"properties":{"depth_cm":{"description":"Prostate depth (D3) in cm (1-20). Required with length_cm and width_cm when prostate_volume_ml is omitted.","type":"number"},"length_cm":{"description":"Prostate length (D1) in cm (1-20). Required with width_cm and depth_cm when prostate_volume_ml is omitted. Benson volume = L×W×D×0.5.","type":"number"},"prostate_volume_ml":{"description":"Caller-supplied prostate volume in ml (1-500). Provide this or length_cm, width_cm, and depth_cm, not both. magent does not measure the gland.","type":"number"},"psa_ng_ml":{"description":"Serum prostate-specific antigen in ng/ml (0.01-10000, magent clamp). magent does not assay PSA.","type":"number"},"width_cm":{"description":"Prostate width (D2) in cm (1-20). Required with length_cm and depth_cm when prostate_volume_ml is omitted.","type":"number"}},"required":["psa_ng_ml"],"type":"object"},"maxItems":25,"minItems":1,"type":"array"}},"required":["items"],"type":"object"},"headers":{"additionalProperties":{"type":"string"},"type":"object"},"method":{"const":"POST","type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-28","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":267,"error":null}],"description_full":"Benson 1992 PSA density: psa_ng_ml / prostate volume (ml). Volume is length_cm × width_cm × depth_cm × 0.5 (D1×D2×D3×1/2), not π/6. Provide PSA with prostate_volume_ml (1-500) or three dimensions (1-20 cm each), not both. Reports dimensionless psad to 3 decimals and retrospective bands <=0.05, 0.05-0.10, >=0.10. magent does not measure the gland or diagnose cancer. Not a medical device.","last_updated":"2026-09-28T13:55:14.737Z","schemes":["exact"]}