Astrology APIs for modern applications.
Access structured astrological calculations through a simple API built for builders, researchers, and product teams.
Endpoints in v1.
Rasi, Navamsa, divisional charts. Sidereal/tropical, multiple ayanamsas.
Tithi, vara, nakshatra, yoga, karana, sunrise/sunset.
Sidereal positions, retrogrades, declinations, nakshatra padas.
Maha, antar, pratyantar with precise transitions.
Current and forward planetary transits relative to a natal chart.
Structured inputs for Ashtakoot and other matching frameworks.
A single request.
Send a date, time, and coordinates. Receive a deterministic chart with planetary positions, nakshatras, and lagna.
curl https://api.astroresearchlabs.com/v1/chart \
-H "Authorization: Bearer arl_test_your_key" \
-H "Content-Type: application/json" \
-d '{
"date": "1994-08-21",
"time": "14:35:00",
"timezone": "Asia/Kolkata",
"latitude": 28.6139,
"longitude": 77.2090,
"ayanamsa": "lahiri"
}'Bearer tokens.
All requests require an Authorization: Bearer header. Test keys are prefixed with arl_test_ and live keys with arl_live_. Keys are issued from the dashboard and can be rotated at any time.
Designed for prototyping.
For evaluation and prototyping.
For early integrations and small products.
For institutions and high-volume research.
Predictable JSON.
{
"chart": {
"ayanamsa": "lahiri",
"lagna": { "sign": "Virgo", "deg": 14.27 },
"planets": [
{ "name": "Sun", "sign": "Leo", "deg": 4.23, "nakshatra": "Magha", "pada": 1, "retro": false },
{ "name": "Moon", "sign": "Scorpio", "deg": 12.13,"nakshatra": "Anuradha","pada": 2, "retro": false }
]
},
"meta": { "request_id": "req_01HW...", "ms": 38 }
}Traditional inputs, modern reliability.
- Lahiri, Raman, Krishnamurti and tropical zodiacs supported.
- Whole-sign and Placidus house systems.
- IANA timezone identifiers throughout.
- Idempotent reads, stable response shapes.
Start with a free developer key.
The initial free tier is designed for prototyping, evaluation, and early integrations. No credit card required.
Talk to the team.
For integration help, evaluation requests, or research collaborations, reach us at hello@astroresearchlabs.com.