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API Docs Stage 1 · REST & MCP calculation reference (`/api/v1`)
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Endpoint

Ascendant

ASC, MC, DSC, and IC as absolute ecliptic longitudes (0–360), not degree-in-sign.

POST /api/v1/ascendant

Parameters

Field Required Notes
year, month, day yes Civil date
hour, minute no Default 12:00
latitude, longitude | location one of Same resolver as natal
  • DSC and IC are the natal angle plus 180°, normalized.
  • The envelope includes input (birth_date, birth_time, coordinates).