# AstroWay Calculation API V1 API

**Canonical:** https://apis.io/apis/astroway-info/astroway-calculation-api-v1-api/  
**Provider:** astroway-info — https://apis.io/providers/astroway-info/  
**Base URL:** https://api.astroway.info/v1  
**Documentation:** https://app.astroway.info/api-docs

AstroWay Calculation API V1 API is one of 3 APIs that [astroway-info](https://apis.io/providers/astroway-info/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Professional astrology calculation API powered by Swiss Ephemeris. Compute natal charts, synastry, progressions, directions, transits, Human Design, and 80+ other calculation types via a simple REST API.

## Operations (60 of 800)

| Method | Path | Summary |
|---|---|---|
| POST | `/chart` | Natal Chart |
| POST | `/planets` | Planet Positions |
| POST | `/ephemeris` | Ephemeris Range |
| POST | `/sun-times` | Sun Times |
| POST | `/synastry` | Synastry |
| POST | `/match/score` | Match Score (dating compatibility) |
| POST | `/composite` | Composite Chart |
| POST | `/davison` | Davison Chart |
| POST | `/coalescent` | Coalescent Chart |
| POST | `/group-synastry` | Group Synastry |
| POST | `/synastry/aspect-grid` | Synastry Aspect Grid |
| POST | `/synastry/house-overlay` | Synastry House Overlay |
| POST | `/synastry/element-balance` | Synastry Element Balance |
| POST | `/synastry/attraction-score` | Synastry Attraction Score |
| POST | `/transits` | Transits |
| POST | `/transit-calendar` | Transit Calendar |
| POST | `/forecast-calendar` | Forecast Calendar |
| POST | `/progressions` | Secondary Progressions |
| POST | `/tertiary-progressions` | Tertiary Progressions |
| POST | `/minor-progressions` | Minor Progressions |
| POST | `/primary-directions` | Primary Directions |
| POST | `/symbolic-directions` | Symbolic Directions |
| POST | `/solar-return` | Solar Return |
| POST | `/lunar-return` | Lunar Return |
| POST | `/planetary-return` | Planetary Return |
| POST | `/profections` | Profections |
| POST | `/firdaria` | Firdaria |
| POST | `/rectification` | Rectification |
| POST | `/rectification/trutine` | Trutine of Hermes |
| POST | `/harmonics` | Harmonic Chart |
| POST | `/draconic` | Draconic Chart |
| POST | `/heliocentric` | Heliocentric Chart |
| POST | `/horizon` | Horizon Chart |
| POST | `/vedic-divisional` | Vedic Divisional Chart (DEPRECATED: use /vedic/varga/{D}<*>) |
| POST | `/render/wheel-western` | Western Wheel (SVG) |
| POST | `/render/aspect-grid` | Aspect Grid (SVG) |
| POST | `/render/moon-phase` | Moon Phase (SVG) |
| POST | `/render/timeline` | Timeline (SVG) |
| POST | `/render/bi-wheel` | Bi-Wheel (SVG) |
| POST | `/render/tri-wheel` | Tri-Wheel (SVG) |
| POST | `/render/composite` | Composite Chart (SVG) |
| POST | `/render/biorhythm` | Biorhythm (SVG) |
| POST | `/render/wheel-vedic-north` | Vedic Wheel: North Indian (SVG) |
| POST | `/render/wheel-vedic-south` | Vedic Wheel: South Indian (SVG) |
| POST | `/render/wheel-vedic-east` | Vedic Wheel: East Indian (SVG) |
| POST | `/render/cosmogram` | Cosmogram: Hamburg School 90° dial (SVG) |
| POST | `/render/eclipse-path` | Eclipse Path Map (SVG) |
| POST | `/render/star-map` | Star Map (SVG) |
| POST | `/chinese/true-solar-time` | True solar time |
| POST | `/chinese/solar-terms` | 24 Solar Terms (節氣) |
| POST | `/chinese/lunar-date` | Gregorian to Lunar Date |
| POST | `/chinese/zodiac/animal` | Chinese Zodiac Animal |
| POST | `/chinese/zodiac/element` | Chinese Element |
| POST | `/chinese/zodiac/inner-animal` | Inner Animal (month branch) |
| POST | `/chinese/zodiac/secret-animal` | Secret Animal (hour branch) |
| POST | `/chinese/zodiac/compatibility` | Animal Compatibility |
| POST | `/chinese/feng-shui/kua` | Kua Number |
| POST | `/chinese/feng-shui/lucky-directions` | Lucky / Unlucky Directions |
| POST | `/chinese/feng-shui/bagua` | Bagua Life Areas |
| POST | `/chinese/feng-shui/flying-star` | Flying Star natal chart (Xuan Kong Fei Xing) |

…and 740 more operations. The page lists the first 250; the full set of 800 is in the OpenAPI linked below.

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/astroway-info/openapi/_original/astroway-info-v1-openapi.json
- **JSONSchema** — https://artifacts.apis.io/astroway-info/json-schema/astroway-info-generate-report-schema.json
- **JSONSchema** — https://artifacts.apis.io/astroway-info/json-schema/astroway-info-wheel-western-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/astroway-info/json-schema/astroway-info-wheel-western-schema.json
- **JSONSchema** — https://artifacts.apis.io/astroway-info/json-schema/astroway-info-bi-wheel-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/astroway-info/json-schema/astroway-info-synastry-report-schema.json
- **JSONSchema** — https://artifacts.apis.io/astroway-info/json-schema/astroway-info-tri-wheel-schema.json

## Other astroway-info APIs (2)

- [AstroWay Calculation API](https://apis.io/apis/astroway-info/calculation-api/)
- [astroway-info Openapi API](https://apis.io/apis/astroway-info/astroway-info-openapi-api/)

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/astroway-info/astroway-calculation-api-v1-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/astroway-info/.