← Western engine/Western
POST/v1/western/progression

Western · Progression API

Secondary progression chart

Get free API keyTry in playgroundFull schema in docs ↗

About the engine

Part of the Western engine

21 Western/tropical endpoints: natal charts in Placidus/Koch/Whole-sign, full transit-to-natal aspect feeds, synastry + composite for couples, solar return, secondary progressions, sun-sign daily/monthly forecasts, plus the Chinese zodiac year card.

Request

Try it from the command line

curl -X POST https://api.astronode.dev/v1/western/progression \
  -H 'Authorization: Bearer aie_test_YOUR_KEY_HERE' \
  -H 'Content-Type: application/json' \
  -d '{ "comment": "see /docs for the request schema for this endpoint" }'

All AstroNode endpoints require a bearer token from your dashboard. Test keys (`aie_test_*`) are free up to 100 calls/month.

Response

What you get back

Every AstroNode response uses the same envelope:request_id,data (the endpoint-specific payload),interpretation (optional narrative block), andmeta (engine version + computed_at timestamp). The exact data schema for POST /v1/western/progression is published in the OpenAPI 3.1 spec under /docs.

Engine highlights

What the Western engine ships

  • Tropical zodiac with Placidus, Koch, Whole-sign house systems
  • Full Ptolemaic + minor aspect set with applying/separating motion
  • Synastry + composite charts for couples
  • Solar return + secondary progression for annual outlook
  • Sun-sign daily / monthly forecasts in en + hi
  • Chinese zodiac year-cards with Ben Ming Nian flag

Related endpoints

Other Western endpoints

POST/v1/western/natal

Tropical natal chart with house system

POST/v1/western/transit

Transit-to-natal aspects feed

POST/v1/western/synastry

Synastry overlay of two charts

POST/v1/western/composite

Composite midpoint chart

POST/v1/western/solar-return

Annual solar return chart

POST/v1/western/aspects

Native aspects + counts

POST/v1/western/sun-sign-daily

Daily forecast by sun sign

POST/v1/western/sun-sign-monthly

Monthly forecast by sun sign

POST/v1/horoscope/daily

Daily Vedic-style horoscope

POST/v1/chinese/zodiac

Chinese animal + element + polarity

POST/v1/chinese/forecast

Chinese year forecast (Ben Ming Nian aware)

Ready to call POST /v1/western/progression?

Free tier covers 100 requests / month. Razorpay-billed, GST-compliant invoices when you upgrade.

Get free API keyTry in playground

Informational, not predictive. Not medical, legal, or financial advice.