Ensembl Rest API - POST ga4gh/features/search

Return a list of sequence annotation features in GA4GH format

Parameters

Required

Name	Type	Description	Default	Example Values
end	`Int`	Return features within a window with this end location	`-`	`1109000`
referenceName	`string`	Return features on this reference	`-`	`6`
start	`Int`	Return features within a window with this start location	`-`	`1108000`

Optional

Name	Type	Description	Default	Example Values
callback	`String`	Name of the callback subroutine to be returned by the requested JSONP response. Required ONLY when using JSONP as the serialisation method. Please see the user guide.	`-`	`randomlygeneratedname`
featureTypes	`array of strings`	Return features of this type (requires SO terms)	`-`	`[transcript]`
featuresetId	`String`	Return features in this set	`-`	`Ensembl`
pageSize	`Int`	Number of features to return per request	`10`	`-`
pageToken	`Int`	Identifier showing which page of data to retrieve next	`null`	`-`
parentId	`String`	Return the child features of this feature	`-`	`ENSG00000176515.1`

Message

Content-type	Format	Example
application/json	{ "pageSize": int, "featureSetId": string, "featureTypes": array, "referenceName": string, "start": int, "end": int }	{ "pageSize": 5, "featureSetId": "Ensembl", "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }

Example Requests

/ga4gh/features/search

{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }

use strict;
use warnings;
 
use HTTP::Tiny;
 
my $http = HTTP::Tiny->new();
 
my $server = 'http://jan2020.rest.ensembl.org';
my $ext = '/ga4gh/features/search';
my $response = $http->request('POST', $server.$ext, {
  headers => { 
  	'Content-type' => 'application/json',
  	'Accept' => 'application/json'
  },
  content => '{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }'
});
 
die "Failed!\n" unless $response->{success};
 
 
use JSON;
use Data::Dumper;
if(length $response->{content}) {
  my $hash = decode_json($response->{content});
  local $Data::Dumper::Terse = 1;
  local $Data::Dumper::Indent = 1;
  print Dumper $hash;
  print "\n";
}

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print repr(decoded)

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print(repr(decoded))

require 'net/http'
require 'uri'
 
server='http://jan2020.rest.ensembl.org'
path = '/ga4gh/features/search'
 
url = URI.parse(server)
http = Net::HTTP.new(url.host, url.port)
 
request = Net::HTTP::Post.new(path, {'Content-Type' => 'application/json', 'Accept' => 'application/json'})
request.body = '{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }'
 
response = http.request(request)
 
if response.code != "200"
  puts "Invalid response: #{response.code}"
  puts response.body
  exit
end
 
 
require 'rubygems'
require 'json'
require 'yaml'
 
result = JSON.parse(response.body)
puts YAML::dump(result)

import java.net.URL;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.Reader;
import java.io.DataOutputStream;
 
 
public class EnsemblRest {
 
  public static void main(String[] args) throws Exception {
    String server = "http://jan2020.rest.ensembl.org";
    String ext = "/ga4gh/features/search";
    URL url = new URL(server + ext);
 
    URLConnection connection = url.openConnection();
    HttpURLConnection httpConnection = (HttpURLConnection)connection;
    
    String postBody = "{ \"pageSize\": 5, \"featureSetId\": \"Ensembl\",  \"featureTypes\":[], \"start\":1080164, \"end\":1090164, \"referenceName\":\"6\" }";
    httpConnection.setRequestMethod("POST");
    httpConnection.setRequestProperty("Content-Type", "application/json");
    httpConnection.setRequestProperty("Accept", "application/json");
    httpConnection.setRequestProperty("Content-Length", Integer.toString(postBody.getBytes().length));
    httpConnection.setUseCaches(false);
    httpConnection.setDoInput(true);
    httpConnection.setDoOutput(true);
 
    DataOutputStream wr = new DataOutputStream(httpConnection.getOutputStream());
    wr.writeBytes(postBody);
    wr.flush();
    wr.close();
    
 
    InputStream response = connection.getInputStream();
    int responseCode = httpConnection.getResponseCode();
 
    if(responseCode != 200) {
      throw new RuntimeException("Response code was not 200. Detected response was "+responseCode);
    }
 
    String output;
    Reader reader = null;
    try {
      reader = new BufferedReader(new InputStreamReader(response, "UTF-8"));
      StringBuilder builder = new StringBuilder();
      char[] buffer = new char[8192];
      int read;
      while ((read = reader.read(buffer, 0, buffer.length)) > 0) {
        builder.append(buffer, 0, read);
      }
      output = builder.toString();
    } 
    finally {
        if (reader != null) try {
          reader.close(); 
        } catch (IOException logOrIgnore) {
          logOrIgnore.printStackTrace();
        }
    }
 
    System.out.println(output);
  }
}

library(httr)
library(jsonlite)
library(xml2)
 
server <- "http://jan2020.rest.ensembl.org"
ext <- "/ga4gh/features/search"
r <- POST(paste(server, ext, sep = ""), content_type("application/json"), accept("application/json"), body = '{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }')
 
stop_for_status(r)
 
# use this if you get a simple nested list back, otherwise inspect its structure
# head(data.frame(t(sapply(content(r),c))))
head(fromJSON(toJSON(content(r))))

curl 'http://jan2020.rest.ensembl.org/ga4gh/features/search' -H 'Content-type:application/json' \
-H 'Accept:application/json' -X POST -d '{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }'

wget -q --header='Content-type:application/json' --header='Accept:application/json' \
--post-data='{ "pageSize": 5, "featureSetId": "Ensembl",  "featureTypes":[], "start":1080164, "end":1090164, "referenceName":"6" }' \
'http://jan2020.rest.ensembl.org/ga4gh/features/search'  -O -

/ga4gh/features/search

{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}

use strict;
use warnings;
 
use HTTP::Tiny;
 
my $http = HTTP::Tiny->new();
 
my $server = 'http://jan2020.rest.ensembl.org';
my $ext = '/ga4gh/features/search';
my $response = $http->request('POST', $server.$ext, {
  headers => { 
  	'Content-type' => 'application/json',
  	'Accept' => 'application/json'
  },
  content => '{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}'
});
 
die "Failed!\n" unless $response->{success};
 
 
use JSON;
use Data::Dumper;
if(length $response->{content}) {
  my $hash = decode_json($response->{content});
  local $Data::Dumper::Terse = 1;
  local $Data::Dumper::Indent = 1;
  print Dumper $hash;
  print "\n";
}

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print repr(decoded)

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print(repr(decoded))

require 'net/http'
require 'uri'
 
server='http://jan2020.rest.ensembl.org'
path = '/ga4gh/features/search'
 
url = URI.parse(server)
http = Net::HTTP.new(url.host, url.port)
 
request = Net::HTTP::Post.new(path, {'Content-Type' => 'application/json', 'Accept' => 'application/json'})
request.body = '{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}'
 
response = http.request(request)
 
if response.code != "200"
  puts "Invalid response: #{response.code}"
  puts response.body
  exit
end
 
 
require 'rubygems'
require 'json'
require 'yaml'
 
result = JSON.parse(response.body)
puts YAML::dump(result)

import java.net.URL;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.Reader;
import java.io.DataOutputStream;
 
 
public class EnsemblRest {
 
  public static void main(String[] args) throws Exception {
    String server = "http://jan2020.rest.ensembl.org";
    String ext = "/ga4gh/features/search";
    URL url = new URL(server + ext);
 
    URLConnection connection = url.openConnection();
    HttpURLConnection httpConnection = (HttpURLConnection)connection;
    
    String postBody = "{ \"parentId\": \"ENSG00000176515.1\", \"pageSize\": 5, \"featureSetId\": \"\",  \"featureTypes\":[], \"start\":39657458, \"end\": 39753127, \"referenceName\":\"20\"}";
    httpConnection.setRequestMethod("POST");
    httpConnection.setRequestProperty("Content-Type", "application/json");
    httpConnection.setRequestProperty("Accept", "application/json");
    httpConnection.setRequestProperty("Content-Length", Integer.toString(postBody.getBytes().length));
    httpConnection.setUseCaches(false);
    httpConnection.setDoInput(true);
    httpConnection.setDoOutput(true);
 
    DataOutputStream wr = new DataOutputStream(httpConnection.getOutputStream());
    wr.writeBytes(postBody);
    wr.flush();
    wr.close();
    
 
    InputStream response = connection.getInputStream();
    int responseCode = httpConnection.getResponseCode();
 
    if(responseCode != 200) {
      throw new RuntimeException("Response code was not 200. Detected response was "+responseCode);
    }
 
    String output;
    Reader reader = null;
    try {
      reader = new BufferedReader(new InputStreamReader(response, "UTF-8"));
      StringBuilder builder = new StringBuilder();
      char[] buffer = new char[8192];
      int read;
      while ((read = reader.read(buffer, 0, buffer.length)) > 0) {
        builder.append(buffer, 0, read);
      }
      output = builder.toString();
    } 
    finally {
        if (reader != null) try {
          reader.close(); 
        } catch (IOException logOrIgnore) {
          logOrIgnore.printStackTrace();
        }
    }
 
    System.out.println(output);
  }
}

library(httr)
library(jsonlite)
library(xml2)
 
server <- "http://jan2020.rest.ensembl.org"
ext <- "/ga4gh/features/search"
r <- POST(paste(server, ext, sep = ""), content_type("application/json"), accept("application/json"), body = '{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}')
 
stop_for_status(r)
 
# use this if you get a simple nested list back, otherwise inspect its structure
# head(data.frame(t(sapply(content(r),c))))
head(fromJSON(toJSON(content(r))))

curl 'http://jan2020.rest.ensembl.org/ga4gh/features/search' -H 'Content-type:application/json' \
-H 'Accept:application/json' -X POST -d '{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}'

wget -q --header='Content-type:application/json' --header='Accept:application/json' \
--post-data='{ "parentId": "ENSG00000176515.1", "pageSize": 5, "featureSetId": "",  "featureTypes":[], "start":39657458, "end": 39753127, "referenceName":"20"}' \
'http://jan2020.rest.ensembl.org/ga4gh/features/search'  -O -

/ga4gh/features/search

{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }

use strict;
use warnings;
 
use HTTP::Tiny;
 
my $http = HTTP::Tiny->new();
 
my $server = 'http://jan2020.rest.ensembl.org';
my $ext = '/ga4gh/features/search';
my $response = $http->request('POST', $server.$ext, {
  headers => { 
  	'Content-type' => 'application/json',
  	'Accept' => 'application/json'
  },
  content => '{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }'
});
 
die "Failed!\n" unless $response->{success};
 
 
use JSON;
use Data::Dumper;
if(length $response->{content}) {
  my $hash = decode_json($response->{content});
  local $Data::Dumper::Terse = 1;
  local $Data::Dumper::Indent = 1;
  print Dumper $hash;
  print "\n";
}

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print repr(decoded)

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print(repr(decoded))

require 'net/http'
require 'uri'
 
server='http://jan2020.rest.ensembl.org'
path = '/ga4gh/features/search'
 
url = URI.parse(server)
http = Net::HTTP.new(url.host, url.port)
 
request = Net::HTTP::Post.new(path, {'Content-Type' => 'application/json', 'Accept' => 'application/json'})
request.body = '{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }'
 
response = http.request(request)
 
if response.code != "200"
  puts "Invalid response: #{response.code}"
  puts response.body
  exit
end
 
 
require 'rubygems'
require 'json'
require 'yaml'
 
result = JSON.parse(response.body)
puts YAML::dump(result)

import java.net.URL;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.Reader;
import java.io.DataOutputStream;
 
 
public class EnsemblRest {
 
  public static void main(String[] args) throws Exception {
    String server = "http://jan2020.rest.ensembl.org";
    String ext = "/ga4gh/features/search";
    URL url = new URL(server + ext);
 
    URLConnection connection = url.openConnection();
    HttpURLConnection httpConnection = (HttpURLConnection)connection;
    
    String postBody = "{ \"pageSize\": 2, \"featureSetId\": \"Ensembl\",  \"featureTypes\":[\"transcript\"], \"start\":1080164, \"end\":1200164, \"referenceName\":\"6\" }";
    httpConnection.setRequestMethod("POST");
    httpConnection.setRequestProperty("Content-Type", "application/json");
    httpConnection.setRequestProperty("Accept", "application/json");
    httpConnection.setRequestProperty("Content-Length", Integer.toString(postBody.getBytes().length));
    httpConnection.setUseCaches(false);
    httpConnection.setDoInput(true);
    httpConnection.setDoOutput(true);
 
    DataOutputStream wr = new DataOutputStream(httpConnection.getOutputStream());
    wr.writeBytes(postBody);
    wr.flush();
    wr.close();
    
 
    InputStream response = connection.getInputStream();
    int responseCode = httpConnection.getResponseCode();
 
    if(responseCode != 200) {
      throw new RuntimeException("Response code was not 200. Detected response was "+responseCode);
    }
 
    String output;
    Reader reader = null;
    try {
      reader = new BufferedReader(new InputStreamReader(response, "UTF-8"));
      StringBuilder builder = new StringBuilder();
      char[] buffer = new char[8192];
      int read;
      while ((read = reader.read(buffer, 0, buffer.length)) > 0) {
        builder.append(buffer, 0, read);
      }
      output = builder.toString();
    } 
    finally {
        if (reader != null) try {
          reader.close(); 
        } catch (IOException logOrIgnore) {
          logOrIgnore.printStackTrace();
        }
    }
 
    System.out.println(output);
  }
}

library(httr)
library(jsonlite)
library(xml2)
 
server <- "http://jan2020.rest.ensembl.org"
ext <- "/ga4gh/features/search"
r <- POST(paste(server, ext, sep = ""), content_type("application/json"), accept("application/json"), body = '{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }')
 
stop_for_status(r)
 
# use this if you get a simple nested list back, otherwise inspect its structure
# head(data.frame(t(sapply(content(r),c))))
head(fromJSON(toJSON(content(r))))

curl 'http://jan2020.rest.ensembl.org/ga4gh/features/search' -H 'Content-type:application/json' \
-H 'Accept:application/json' -X POST -d '{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }'

wget -q --header='Content-type:application/json' --header='Accept:application/json' \
--post-data='{ "pageSize": 2, "featureSetId": "Ensembl",  "featureTypes":["transcript"], "start":1080164, "end":1200164, "referenceName":"6" }' \
'http://jan2020.rest.ensembl.org/ga4gh/features/search'  -O -

/ga4gh/features/search

{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}

use strict;
use warnings;
 
use HTTP::Tiny;
 
my $http = HTTP::Tiny->new();
 
my $server = 'http://jan2020.rest.ensembl.org';
my $ext = '/ga4gh/features/search';
my $response = $http->request('POST', $server.$ext, {
  headers => { 
  	'Content-type' => 'application/json',
  	'Accept' => 'application/json'
  },
  content => '{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}'
});
 
die "Failed!\n" unless $response->{success};
 
 
use JSON;
use Data::Dumper;
if(length $response->{content}) {
  my $hash = decode_json($response->{content});
  local $Data::Dumper::Terse = 1;
  local $Data::Dumper::Indent = 1;
  print Dumper $hash;
  print "\n";
}

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print repr(decoded)

import requests, sys
 
server = "http://jan2020.rest.ensembl.org"
ext = "/ga4gh/features/search"
headers={ "Content-Type" : "application/json", "Accept" : "application/json"}
r = requests.post(server+ext, headers=headers, data='{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}')
 
if not r.ok:
  r.raise_for_status()
  sys.exit()
 
decoded = r.json()
print(repr(decoded))

require 'net/http'
require 'uri'
 
server='http://jan2020.rest.ensembl.org'
path = '/ga4gh/features/search'
 
url = URI.parse(server)
http = Net::HTTP.new(url.host, url.port)
 
request = Net::HTTP::Post.new(path, {'Content-Type' => 'application/json', 'Accept' => 'application/json'})
request.body = '{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}'
 
response = http.request(request)
 
if response.code != "200"
  puts "Invalid response: #{response.code}"
  puts response.body
  exit
end
 
 
require 'rubygems'
require 'json'
require 'yaml'
 
result = JSON.parse(response.body)
puts YAML::dump(result)

import java.net.URL;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.Reader;
import java.io.DataOutputStream;
 
 
public class EnsemblRest {
 
  public static void main(String[] args) throws Exception {
    String server = "http://jan2020.rest.ensembl.org";
    String ext = "/ga4gh/features/search";
    URL url = new URL(server + ext);
 
    URLConnection connection = url.openConnection();
    HttpURLConnection httpConnection = (HttpURLConnection)connection;
    
    String postBody = "{ \"parentId\": \"ENST00000408937.7\", \"pageSize\": 2, \"featureSetId\": \"\",  \"featureTypes\":[\"cds\"], \"start\": 197859, \"end\":220023, \"referenceName\":\"X\"}";
    httpConnection.setRequestMethod("POST");
    httpConnection.setRequestProperty("Content-Type", "application/json");
    httpConnection.setRequestProperty("Accept", "application/json");
    httpConnection.setRequestProperty("Content-Length", Integer.toString(postBody.getBytes().length));
    httpConnection.setUseCaches(false);
    httpConnection.setDoInput(true);
    httpConnection.setDoOutput(true);
 
    DataOutputStream wr = new DataOutputStream(httpConnection.getOutputStream());
    wr.writeBytes(postBody);
    wr.flush();
    wr.close();
    
 
    InputStream response = connection.getInputStream();
    int responseCode = httpConnection.getResponseCode();
 
    if(responseCode != 200) {
      throw new RuntimeException("Response code was not 200. Detected response was "+responseCode);
    }
 
    String output;
    Reader reader = null;
    try {
      reader = new BufferedReader(new InputStreamReader(response, "UTF-8"));
      StringBuilder builder = new StringBuilder();
      char[] buffer = new char[8192];
      int read;
      while ((read = reader.read(buffer, 0, buffer.length)) > 0) {
        builder.append(buffer, 0, read);
      }
      output = builder.toString();
    } 
    finally {
        if (reader != null) try {
          reader.close(); 
        } catch (IOException logOrIgnore) {
          logOrIgnore.printStackTrace();
        }
    }
 
    System.out.println(output);
  }
}

library(httr)
library(jsonlite)
library(xml2)
 
server <- "http://jan2020.rest.ensembl.org"
ext <- "/ga4gh/features/search"
r <- POST(paste(server, ext, sep = ""), content_type("application/json"), accept("application/json"), body = '{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}')
 
stop_for_status(r)
 
# use this if you get a simple nested list back, otherwise inspect its structure
# head(data.frame(t(sapply(content(r),c))))
head(fromJSON(toJSON(content(r))))

curl 'http://jan2020.rest.ensembl.org/ga4gh/features/search' -H 'Content-type:application/json' \
-H 'Accept:application/json' -X POST -d '{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}'

wget -q --header='Content-type:application/json' --header='Accept:application/json' \
--post-data='{ "parentId": "ENST00000408937.7", "pageSize": 2, "featureSetId": "",  "featureTypes":["cds"], "start": 197859, "end":220023, "referenceName":"X"}' \
'http://jan2020.rest.ensembl.org/ga4gh/features/search'  -O -

Resource Information

Methods	POST
Response formats	json jsonp