Chara Dasha Pratyantardasha

Endpoint POST https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha

Returns 12 Pratyantardasha (sub-sub-period) entries for a specific Mahadasha–Antardasha sign combination. Equal 1/12th division with 9th-from direction rule.

Lazy-load chain
mahadasha → antardasha → pratyantardasha → sookshma → pran

Request body

All standard birth fields, plus:

Field	Type	Required	Description
`year`, `month`, `day`, `hour`, `minute`	integer	Yes	Birth date/time.
`latitude`, `longitude`	number	Yes	Decimal degrees.
`timezone`	string	Yes	IANA timezone.
`mahadasha`	string\|integer	Yes	Sign name or number 1–12.
`antardasha`	string\|integer	Yes	Sign name or number 1–12.

Response shape

pratyantardashas[]

Field	Type	Description
`sign`	string	Sign name.
`sign_number`	integer	1–12.
`sign_lord`	string	Ruling planet.
`duration_days`	integer	Duration in days.
`start_date` / `end_date`	string	`YYYY-MM-DD`.

Next step

Add the tapped row’s sign as pratyantardasha and call the Sookshma endpoint.

Errors

HTTP	Code	Cause
400	`MISSING_FIELD`	Required field absent.
400	`INVALID_PARAM`	Invalid sign name or number.
400	`INVALID_DASHA_PATH`	Sign not found in sequence.
405	`METHOD_NOT_ALLOWED`	Non-POST request.

# Replace YOUR_API_KEY with the key from your dashboard
curl -X POST "https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha" \
  -H "X-Api-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
        "year": 1990,
        "month": 5,
        "day": 20,
        "hour": 14,
        "minute": 30,
        "second": 0,
        "latitude": 28.6139,
        "longitude": 77.209,
        "timezone": "Asia/Kolkata",
        "mahadasha": "Aquarius",
        "antardasha": "Pisces"
    }'

const response = await fetch(
  'https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha',
  {
    method: 'POST',
    headers: {
      'X-Api-Key': 'YOUR_API_KEY',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      year: 1990,
      month: 5,
      day: 20,
      hour: 14,
      minute: 30,
      second: 0,
      latitude: 28.6139,
      longitude: 77.209,
      timezone: 'Asia/Kolkata',
      mahadasha: 'Aquarius',
      antardasha: 'Pisces'
    })
  }
);
const result = await response.json();

if (result.success) {
  console.log(result.data);
}

import requests
import os

response = requests.post(
    'https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha',
    headers={'X-Api-Key': os.environ['STARSAPI_KEY']},
    json={
        'year': 1990,
        'month': 5,
        'day': 20,
        'hour': 14,
        'minute': 30,
        'second': 0,
        'latitude': 28.6139,
        'longitude': 77.209,
        'timezone': 'Asia/Kolkata',
        'mahadasha': 'Aquarius',
        'antardasha': 'Pisces'
    }
)
result = response.json()

if result['success']:
    print(result['data'])

<?php
$payload = [
    'year' => 1990,
    'month' => 5,
    'day' => 20,
    'hour' => 14,
    'minute' => 30,
    'second' => 0,
    'latitude' => 28.6139,
    'longitude' => 77.209,
    'timezone' => 'Asia/Kolkata',
    'mahadasha' => 'Aquarius',
    'antardasha' => 'Pisces',
];

$ch = curl_init('https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'X-Api-Key: ' . getenv('STARSAPI_KEY'),
    'Content-Type: application/json'
]);

$response = curl_exec($ch);
$data = json_decode($response, true);

if ($data['success']) {
    print_r($data['data']);
}

import 'package:http/http.dart' as http;
import 'dart:convert';

Future<Map<String, dynamic>> getAscendant() async {
  final response = await http.post(
    Uri.parse('https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha'),
    headers: {
      'X-Api-Key': 'YOUR_API_KEY',
      'Content-Type': 'application/json',
    },
    body: jsonEncode({
      'year': 1990,
      'month': 5,
      'day': 20,
      'hour': 14,
      'minute': 30,
      'second': 0,
      'latitude': 28.6139,
      'longitude': 77.209,
      'timezone': 'Asia/Kolkata',
      'mahadasha': 'Aquarius',
      'antardasha': 'Pisces',
    }),
  );
  return jsonDecode(response.body);
}

import Foundation

func getAscendant() async throws -> [String: Any] {
    var request = URLRequest(url: URL(string:
        "https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha"
    )!)
    request.httpMethod = "POST"
    request.setValue("YOUR_API_KEY", forHTTPHeaderField: "X-Api-Key")
    request.setValue("application/json", forHTTPHeaderField: "Content-Type")
    request.httpBody = """
        {
            "year": 1990,
            "month": 5,
            "day": 20,
            "hour": 14,
            "minute": 30,
            "second": 0,
            "latitude": 28.6139,
            "longitude": 77.209,
            "timezone": "Asia/Kolkata",
            "mahadasha": "Aquarius",
            "antardasha": "Pisces"
        }
        """.data(using: .utf8)

    let (data, _) = try await URLSession.shared.data(for: request)
    return try JSONSerialization.jsonObject(with: data) as! [String: Any]
}

import okhttp3.*
import org.json.JSONObject

val client = OkHttpClient()
val JSON = "application/json; charset=utf-8".toMediaType()

fun getAscendant(callback: (JSONObject) -> Unit) {
    val payload = """
    {
        "year": 1990,
        "month": 5,
        "day": 20,
        "hour": 14,
        "minute": 30,
        "second": 0,
        "latitude": 28.6139,
        "longitude": 77.209,
        "timezone": "Asia/Kolkata",
        "mahadasha": "Aquarius",
        "antardasha": "Pisces"
    }
    """.trimIndent()

    val request = Request.Builder()
        .url("https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha")
        .addHeader("X-Api-Key", "YOUR_API_KEY")
        .post(payload.toRequestBody(JSON))
        .build()

    client.newCall(request).enqueue(object : Callback {
        override fun onResponse(call: Call, response: Response) {
            callback(JSONObject(response.body!!.string()))
        }
        override fun onFailure(call: Call, e: java.io.IOException) {
            e.printStackTrace()
        }
    })
}

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "net/http"
    "os"
)

func main() {
    payload, _ := json.Marshal(map[string]interface{}{
        "year": 1990,
        "month": 5,
        "day": 20,
        "hour": 14,
        "minute": 30,
        "second": 0,
        "latitude": 28.6139,
        "longitude": 77.209,
        "timezone": "Asia/Kolkata",
        "mahadasha": "Aquarius",
        "antardasha": "Pisces",
    })

    req, _ := http.NewRequest("POST",
        "https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha",
        bytes.NewBuffer(payload))
    req.Header.Set("X-Api-Key", os.Getenv("STARSAPI_KEY"))
    req.Header.Set("Content-Type", "application/json")

    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()

    var result map[string]interface{}
    json.NewDecoder(resp.Body).Decode(&result)
    fmt.Println(result["data"])
}

require 'net/http'
require 'json'

uri = URI('https://starsapi.com/api/v3/vedic/jaimini/chara-dasha-pratyantardasha')
payload = {
  'year' => 1990,
  'month' => 5,
  'day' => 20,
  'hour' => 14,
  'minute' => 30,
  'second' => 0,
  'latitude' => 28.6139,
  'longitude' => 77.209,
  'timezone' => 'Asia/Kolkata',
  'mahadasha' => 'Aquarius',
  'antardasha' => 'Pisces'
}

req = Net::HTTP::Post.new(uri)
req['X-Api-Key'] = ENV['STARSAPI_KEY']
req['Content-Type'] = 'application/json'
req.body = payload.to_json

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
res = http.request(req)

data = JSON.parse(res.body)
puts data['data'] if data['success']

200 RESPONSE

{
  "status": 200,
  "success": true,
  "data": {
    "dasha_path": {
      "mahadasha": "Aquarius",
      "antardasha": "Pisces"
    },
    "antardasha_period": {
      "start_date": "2025-12-19",
      "end_date": "2026-11-18",
      "duration_days": 334
    },
    "direction": "anti-zodiacal",
    "pratyantardashas": [
      {
        "sign": "Aquarius",
        "sign_number": 11,
        "sign_lord": "Saturn",
        "duration_days": 27,
        "start_date": "2025-12-19",
        "end_date": "2026-01-15"
      },
      {
        "sign": "Capricorn",
        "sign_number": 10,
        "sign_lord": "Saturn",
        "duration_days": 28,
        "start_date": "2026-01-15",
        "end_date": "2026-02-12"
      },
      {
        "sign": "Sagittarius",
        "sign_number": 9,
        "sign_lord": "Jupiter",
        "duration_days": 28,
        "start_date": "2026-02-12",
        "end_date": "2026-03-12"
      }
    ]
  },
  "meta": {
    "endpoint": "/api/v3/vedic/jaimini/chara-dasha-pratyantardasha",
    "version": "3.0",
    "response_time_ms": 3,
    "ayanamsa": {
      "name": "Lahiri",
      "value": 23.725957,
      "value_dms": "23°43'33\""
    },
    "node_type": "mean"
  }
}