AstroAsk Docs
API referenceCompatibilityV1WesternSynastry

POST /v1/western/synastry

Western synastry compatibility report between two charts: full aspect grid, 4 theme scores and summary.

POST
/v1/western/synastry

Authorization

ApiKeyAuth
X-API-Key<token>

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

curl -X POST "https://example.com/v1/western/synastry" \  -H "Content-Type: application/json" \  -d '{    "person1": {      "date": "1990-01-15T10:30:00",      "lat": 28.6139,      "lng": 77.209    },    "person2": {      "date": "1990-01-15T10:30:00",      "lat": 28.6139,      "lng": 77.209    }  }'
{  "success": true,  "data": {    "aspects": "[object: 25230 bytes — omitted for brevity]",    "themes": "[object: 667 bytes — omitted for brevity]",    "topAspects": "[object: 1256 bytes — omitted for brevity]",    "summary": "friendship-oriented connection with good communication flow with solid potential for mutual growth."  }}

POST /v1/western/davison

Davison relationship chart — a real chart cast for the exact midpoint in time and space between two births, with genuine ephemeris positions, houses and aspects.

POST /v1/western/synastry/themes

Just the 4 continuous synastry theme scores — love, communication, tension, growth — for compatibility widgets.