Western Zodiac Sign Compatibility

Sign-to-sign compatibility without birth data. Based on element and modality affinity. Pass sign names as query parameters: ?sign1=Aries&sign2=Leo

Endpoint

GET /v1/western/compatibility/zodiac

Request parameters

Field	Type	Required	Description
sign1	string	Yes
sign2	string	Yes

Example request

curl

curl -X GET "https://api.asterwise.com/v1/western/compatibility/zodiac?sign1=Aries&sign2=Leo" \
  -H "Authorization: Bearer YOUR_API_KEY"

Python

import asterwise
from asterwise.api.western_astrology_api import WesternAstrologyApi

configuration = asterwise.Configuration(
    host="https://api.asterwise.com",
    access_token="YOUR_API_KEY",
)

with asterwise.ApiClient(configuration) as client:
    api = WesternAstrologyApi(client)
    result = api.western_compatibility_zodiac(sign1="Aries",
    sign2="Leo")
    print(result)

TypeScript

import { createClient, createConfig, westernCompatibilityZodiac } from 'asterwise';

const client = createClient(createConfig({
  baseUrl: 'https://api.asterwise.com',
  headers: { Authorization: 'Bearer YOUR_API_KEY' },
}));

const result = await westernCompatibilityZodiac({
  client,
  query: {
      "sign1": "Aries",
      "sign2": "Leo"
  },
});

console.log(result.data);

Example response

{
  "success": true,
  "message": "success",
  "data": {
    "sign1": "Aries",
    "sign2": "Leo",
    "element1": "fire",
    "element2": "fire",
    "modality1": "cardinal",
    "modality2": "fixed",
    "element_affinity": "harmonious",
    "modality_affinity": "challenging",
    "overall_score": 65,
    "description": "Aries and Leo have moderate compatibility with different strengths."
  }
}

Response fields

Field	Type	Description
success	boolean	True if the request succeeded
message	string	Human-readable status message
data	object
data.sign1	string
data.sign2	string
data.element1	string
data.element2	string
data.modality1	string
data.modality2	string
data.element_affinity	string
data.modality_affinity	string
data.overall_score	integer
data.description	string

Errors

Code	Description	Reference
authentication_failed	Missing or invalid API key.	authentication_failed
ephemeris_unavailable	Upstream ephemeris service error.	ephemeris_unavailable
insufficient_tier	API key tier does not include this endpoint.	insufficient_tier
internal_error	Unexpected server error.	internal_error
ip_rate_limit_exceeded	Too many requests in a short window.	ip_rate_limit_exceeded
payload_too_large	Request body exceeds the size limit.	payload_too_large
resource_not_found	Referenced resource was not found.	resource_not_found
validation_error	Request body failed schema validation.	validation_error

Related endpoints

• Western Compatibility Score
• Western Composite Chart
• Western Synastry