---
title: "Compatibility Horoscope"
method: POST
path: "/horoscope/compatibility"
tags: ["Horoscope"]
---

# Compatibility Horoscope

`POST /horoscope/compatibility`

Generate a relationship horoscope based on synastry between two charts: strengths, friction points, and themes for the next 30 days.

## Query parameters

- `lang` 'uk' | 'en' | 'de' | 'ru' | 'pl' | 'es' | 'pt' | 'fr' | 'it' | 'nl' | 'cs' | 'ro' | 'hu' | 'el' | 'tr' | 'ar' | 'hi' | 'ja' | 'ko' | 'vi' | 'id'

## Headers

- `Accept-Language` 'uk' | 'en' | 'de' | 'ru' | 'pl' | 'es' | 'pt' | 'fr' | 'it' | 'nl' | 'cs' | 'ro' | 'hu' | 'el' | 'tr' | 'ar' | 'hi' | 'ja' | 'ko' | 'vi' | 'id'
- `X-Provider` 'openai' | 'anthropic' | 'google' | 'groq' | 'mistral' | 'openrouter' | 'deepseek' | 'together'
- `X-Provider-Key` string
- `X-Provider-Model` string

## Request body

- Compatibility
  - `sign1` string, required
  - `sign2` string, required
  - `language` 'uk' | 'en' | 'de' | 'pl' | 'es' | 'pt' | 'fr' | 'it' | 'nl' | 'cs' | 'ro' | 'hu' | 'el' | 'tr' | 'ar' | 'hi' | 'ja' | 'ko' | 'vi' | 'id' | 'ru'
  - `disclaimer_inline` boolean

## Response `200`

Successful calculation

- object
  - `ok` boolean
  - `data` object
    - `score` number, nullable
    - `language` string, nullable
    - `summary` string, nullable
    - `strengths` string[], nullable
    - `challenges` string[], nullable

## Other responses

- `400` — Validation error
- `401` — Missing or invalid API key

---

[API](https://skmtc.net/astroway/apis/astroway-calculation-api.md) · [All operations](https://skmtc.net/astroway/apis/astroway-calculation-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/astroway/astroway-calculation-api/revisions/529d7d36d7d6/schema)