Secondary Progressions API

A secondary progressed chart for a date, with solar arc angles

POST/v1/western/progressions

2 credits · Secret key (test or live) · getWesternProgressions

One day after birth for each year of life. The midheaven moves by the solar arc, a named choice among several in use.

Request body

birth Birth required
- date string (date) required
  e.g. "1990-08-13"
- time string
  pattern ^([01]\d|2[0-3]):[0-5]\d(:[0-5]\d)?$ · e.g. "06:30"
- time_accuracy string
  With "unknown", lagna- and house-dependent fields are omitted and listed in warnings — never filled with a noon default.
  one of exact, approximate, unknown · default "exact"
- place Coordinates or object or object required
  Coordinates, a place_id from /v1/places/search, or a free-text query. A vague query returns 422 place_ambiguous with candidates; the API never guesses.
  
  One of:
  1. Coordinates
    Fields
    - latitude number required
      ≥ -90 · ≤ 90
    - longitude number required
      ≥ -180 · ≤ 180
    No other fields are accepted.
  2. object
    Fields
    - place_id string required
    No other fields are accepted.
  3. object
    Fields
    - query string required
      at least 2 characters · at most 120 characters
    No other fields are accepted.
- timezone string
  "auto" (from coordinates AND date), an IANA name, or a fixed offset like "+05:30".
  default "auto"
No other fields are accepted.
date string (date) required
e.g. "1990-08-13"
house_system string
one of placidus, equal, whole_sign, porphyry · default "placidus"
options object
- lang string required
  one of en, hi · default "en"
No other fields are accepted.

No other fields are accepted.

Response

JSON { data, meta, warnings }, where data is:

date string (date) required
e.g. "1990-08-13"
age_years number required
method string required
progressed_moment string (date-time) required
solar_arc number required
angles_method string required
chart WesternChart required
- moment string (date-time) required
- frame string required
  one of tropical
- house_system string or null required
  One of:
  1. string
  2. null
- planets array of object required
  Fields
  - id string required
  - name string required
  - longitude number required
  - sign string required
  - sign_name string required
  - degree number required
  - formatted string required
  - speed number required
    Degrees a day.
  - retrograde boolean required
  - house integer or null required
    One of:
    1. integer
    2. null
  - dignity string or null required
    One of:
    1. string
    2. null
- angles object or null required
  One of:
  1. object
    Fields
    - ascendant object required
      Fields
      longitude number required
      sign string required
      sign_name string required
      degree number required
      formatted string required
    - midheaven object required
      Fields
      longitude number required
      sign string required
      sign_name string required
      degree number required
      formatted string required
    - descendant object required
      Fields
      longitude number required
      sign string required
      sign_name string required
      degree number required
      formatted string required
    - imum_coeli object required
      Fields
      longitude number required
      sign string required
      sign_name string required
      degree number required
      formatted string required
  2. null
- houses array of object or null required
  One of:
  1. array of object
    Fields
    - house integer required
    - longitude number required
    - sign string required
    - sign_name string required
    - degree number required
    - formatted string required
  2. null
- balance object required
  Fields
  - elements object required
    Fields
    fire integer required
    earth integer required
    air integer required
    water integer required
  - modalities object required
    Fields
    cardinal integer required
    fixed integer required
    mutable integer required

Errors: 400, 401, 403, 404, 422, 429, 500. See error codes.

Example request

curl -X POST 'https://api.astrologics.in/v1/western/progressions' \
  -H 'Authorization: Bearer al_test_YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"birth":{"date":"1990-08-13","time":"06:30","place":{"latitude":28.6139,"longitude":77.209}},"date":"2026-11-02"}'

Node.js

const res = await fetch("https://api.astrologics.in/v1/western/progressions", {
  method: "POST",
  headers: { Authorization: "Bearer al_test_YOUR_KEY", "Content-Type": "application/json" },
  body: JSON.stringify({
    "birth": {
      "date": "1990-08-13",
      "time": "06:30",
      "place": {
        "latitude": 28.6139,
        "longitude": 77.209
      }
    },
    "date": "2026-11-02"
  }),
});
console.log(JSON.stringify(await res.json(), null, 2));

Python

import json
import urllib.error
import urllib.request

body = {
    "birth": {
        "date": "1990-08-13",
        "time": "06:30",
        "place": {
            "latitude": 28.6139,
            "longitude": 77.209,
        },
    },
    "date": "2026-11-02",
}

req = urllib.request.Request(
    "https://api.astrologics.in/v1/western/progressions",
    method="POST",
    headers={"Authorization": "Bearer al_test_YOUR_KEY", "Content-Type": "application/json"},
    data=json.dumps(body).encode(),
)
try:
    with urllib.request.urlopen(req) as res:
        print(json.dumps(json.load(res), indent=2, ensure_ascii=False))
except urllib.error.HTTPError as err:
    print(err.code, err.read().decode())

PHP

<?php
$ch = curl_init('https://api.astrologics.in/v1/western/progressions');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_HTTPHEADER => ['Authorization: Bearer al_test_YOUR_KEY', 'Content-Type: application/json'],
    CURLOPT_POSTFIELDS => '{"birth":{"date":"1990-08-13","time":"06:30","place":{"latitude":28.6139,"longitude":77.209}},"date":"2026-11-02"}',
    CURLOPT_RETURNTRANSFER => true,
]);
echo curl_exec($ch), PHP_EOL;

Example response

200 OK · 8,187 characters

{
  "data": {
    "date": "2026-11-02",
    "age_years": 36.222,
    "method": "secondary",
    "progressed_moment": "1990-09-18T06:20:17.552Z",
    "solar_arc": 35.0433,
    "angles_method": "solar_arc",
    "chart": {
      "moment": "1990-09-18T06:20:17.552Z",
      "frame": "tropical",
      "house_system": "placidus",
      "planets": [
        {
          "id": "sun",
          "name": "Sun",
          "longitude": 175.0874,
          "sign": "virgo",
          "sign_name": "Virgo",
          "degree": 25.0874,
          "formatted": "25°05′ Virgo",
          "speed": 0.9764,
          "retrograde": false,
          "house": 12,
          "dignity": null
        },
        {
          "id": "moon",
          "name": "Moon",
          "longitude": 165.9,
          "sign": "virgo",
          "sign_name": "Virgo",
          "degree": 15.9,
          "formatted": "15°54′ Virgo",
          "speed": 13.0205,
          "retrograde": false,
          "house": 12,
          "dignity": null
        },
        {
          "id": "mercury",
          "name": "Mercury",
          "longitude": 159.6364,
          "sign": "virgo",
          "sign_name": "Virgo",
          "degree": 9.6364,
          "formatted": "9°38′ Virgo",
          "speed": 0.1214,
          "retrograde": false,
          "house": 12,
          "dignity": "domicile"
        },
        {
          "id": "venus",
          "name": "Venus",
          "longitude": 163.5207,
          "sign": "virgo",
          "sign_name": "Virgo",
          "degree": 13.5207,
          "formatted": "13°31′ Virgo",
          "speed": 1.2415,
          "retrograde": false,
          "house": 12,
          "dignity": "fall"
        },
        {
          "id": "mars",
          "name": "Mars",
          "longitude": 67.8484,
          "sign": "gemini",
          "sign_name": "Gemini",
          "degree": 7.8484,
          "formatted": "7°50′ Gemini",
          "speed": 0.3761,
          "retrograde": false,
          "house": 9,
          "dignity": null
        },
        {
          "id": "jupiter",
          "name": "Jupiter",
          "longitude": 126.1351,
          "sign": "leo",
          "sign_name": "Leo",
          "degree": 6.1351,
          "formatted": "6°08′ Leo",
          "speed": 0.1801,
          "retrograde": false,
          "house": 11,
          "dignity": null
        },
        {
          "id": "saturn",
          "name": "Saturn",
          "longitude": 288.7244,
          "sign": "capricorn",
          "sign_name": "Capricorn",
          "degree": 18.7244,
          "formatted": "18°43′ Capricorn",
          "speed": -0.0082,
          "retrograde": true,
          "house": 4,
          "dignity": "domicile"
        },
        {
          "id": "uranus",
          "name": "Uranus",
          "longitude": 275.6044,
          "sign": "capricorn",
          "sign_name": "Capricorn",
          "degree": 5.6044,
          "formatted": "5°36′ Capricorn",
          "speed": 0.0029,
          "retrograde": false,
          "house": 4,
          "dignity": null
        },
        {
          "id": "neptune",
          "name": "Neptune",
          "longitude": 281.8059,
          "sign": "capricorn",
          "sign_name": "Capricorn",
          "degree": 11.8059,
          "formatted": "11°48′ Capricorn",
          "speed": -0.0031,
          "retrograde": true,
          "house": 4,
          "dignity": null
        },
        {
          "id": "pluto",
          "name": "Pluto",
          "longitude": 225.7783,
          "sign": "scorpio",
          "sign_name": "Scorpio",
          "degree": 15.7783,
          "formatted": "15°46′ Scorpio",
          "speed": 0.0285,
          "retrograde": false,
          "house": 2,
          "dignity": null
        },
        {
          "id": "north_node",
          "name": "North Node",
          "longitude": 306.3914,
          "sign": "aquarius",
          "sign_name": "Aquarius",
          "degree": 6.3914,
          "formatted": "6°23′ Aquarius",
          "speed": -0.1054,
          "retrograde": true,
          "house": 5,
          "dignity": null
        },
        {
          "id": "south_node",
          "name": "South Node",
          "longitude": 126.3914,
          "sign": "leo",
          "sign_name": "Leo",
          "degree": 6.3914,
          "formatted": "6°23′ Leo",
          "speed": -0.1054,
          "retrograde": true,
          "house": 11,
          "dignity": null
        }
      ],
      "angles": {
        "ascendant": {
          "longitude": 180.7646,
          "sign": "libra",
          "sign_name": "Libra",
          "degree": 0.7646,
          "formatted": "0°45′ Libra"
        },
        "midheaven": {
          "longitude": 90.7958,
          "sign": "cancer",
          "sign_name": "Cancer",
          "degree": 0.7958,
          "formatted": "0°47′ Cancer"
        },
        "descendant": {
          "longitude": 0.7646,
          "sign": "aries",
          "sign_name": "Aries",
          "degree": 0.7646,
          "formatted": "0°45′ Aries"
        },
        "imum_coeli": {
          "longitude": 270.7958,
          "sign": "capricorn",
          "sign_name": "Capricorn",
          "degree": 0.7958,
          "formatted": "0°47′ Capricorn"
        }
      },
      "houses": [
        {
          "house": 1,
          "longitude": 180.7646,
          "sign": "libra",
          "sign_name": "Libra",
          "degree": 0.7646,
          "formatted": "0°45′ Libra"
        },
        {
          "house": 2,
          "longitude": 208.8232,
          "sign": "libra",
          "sign_name": "Libra",
          "degree": 28.8232,
          "formatted": "28°49′ Libra"
        },
        {
          "house": 3,
          "longitude": 239.2622,
          "sign": "scorpio",
          "sign_name": "Scorpio",
          "degree": 29.2622,
          "formatted": "29°15′ Scorpio"
        },
        {
          "house": 4,
          "longitude": 270.7958,
          "sign": "capricorn",
          "sign_name": "Capricorn",
          "degree": 0.7958,
          "formatted": "0°47′ Capricorn"
        },
        {
          "house": 5,
          "longitude": 302.3396,
          "sign": "aquarius",
          "sign_name": "Aquarius",
          "degree": 2.3396,
          "formatted": "2°20′ Aquarius"
        },
        {
          "house": 6,
          "longitude": 332.774,
          "sign": "pisces",
          "sign_name": "Pisces",
          "degree": 2.774,
          "formatted": "2°46′ Pisces"
        },
        {
          "house": 7,
          "longitude": 0.7646,
          "sign": "aries",
          "sign_name": "Aries",
          "degree": 0.7646,
          "formatted": "0°45′ Aries"
        },
        {
          "house": 8,
          "longitude": 28.8232,
          "sign": "aries",
          "sign_name": "Aries",
          "degree": 28.8232,
          "formatted": "28°49′ Aries"
        },
        {
          "house": 9,
          "longitude": 59.2622,
          "sign": "taurus",
          "sign_name": "Taurus",
          "degree": 29.2622,
          "formatted": "29°15′ Taurus"
        },
        {
          "house": 10,
          "longitude": 90.7958,
          "sign": "cancer",
          "sign_name": "Cancer",
          "degree": 0.7958,
          "formatted": "0°47′ Cancer"
        },
        {
          "house": 11,
          "longitude": 122.3396,
          "sign": "leo",
          "sign_name": "Leo",
          "degree": 2.3396,
          "formatted": "2°20′ Leo"
        },
        {
          "house": 12,
          "longitude": 152.774,
          "sign": "virgo",
          "sign_name": "Virgo",
          "degree": 2.774,
          "formatted": "2°46′ Virgo"
        }
      ],
      "balance": {
        "elements": {
          "fire": 1,
          "earth": 7,
          "air": 1,
          "water": 1
        },
        "modalities": {
          "cardinal": 3,
          "fixed": 2,
          "mutable": 5
        }
      }
    }
  },
  "meta": {
    "request_id": "req_example",
    "api_version": "v1",
    "engine_version": "2026.10.10",
    "mode": "live",
    "credits_charged": 2
  },
  "warnings": []
}

Try it

Test key (optional)

Leave empty to use the shared demo key (limited). Test keys only: never charged. Kept in this browser tab and sent through this site to the API. Create one

Body (JSON)

{
  "birth": {
    "date": "1990-08-13",
    "time": "06:30",
    "place": {
      "latitude": 28.6139,
      "longitude": 77.209
    }
  },
  "date": "2026-11-02"
}

Secondary Progressions API

Request body

Response

Example request

Example response

More in Western