curl "https://api.phrase.com/v2/projects/:project_id/styleguides" \
  -u USERNAME_OR_ACCESS_TOKEN \
  -X POST \
  -d '{"title":"Web application style guide","audience":"customer-facing","target_audience":"teenager","grammatical_person":"first_person_singular","vocabulary_type":"technical","business":"We are a travel site that helps customers find the best hotels and flights.","company_branding":"ACME Inc. should never be translated.","formatting":"Never use capital letters","glossary_terms":"Apartment, cabin, loft","grammar_consistency":","literal_translation":"Neutral","overall_tone":"Tone should be fun and light","samples":"http://www.myexample.com/my/document/path/to/samples.pdf"}' \
  -H 'Content-Type: application/json'

phrase styleguides create \
--project_id <project_id> \
--data '{"title": "Web application style guide", "audience":"customer-facing", "target_audience":"teenager", "grammatical_person":"first_person_singular", "vocabulary_type":"technical", "business": "We are a travel site that helps customers find the best hotels and flights.", "company_branding": "ACME Inc. should never be translated.", "formatting": "Never use capital letters", "glossary_terms": "Apartment, cabin, loft", "grammar_consistency":", "literal_translation":"Neutral", "overall_tone": "Tone should be fun and light", "samples": "http://www.myexample.com/my/document/path/to/samples.pdf"}' \
--access_token <token>

import requests

url = "https://api.phrase.com/v2/projects/{project_id}/styleguides"

payload = {
    "title": "Web application style guide",
    "audience": "customer-facing",
    "target_audience": "teenager",
    "grammatical_person": "first_person_singular",
    "vocabulary_type": "technical",
    "business": "We are a travel site that helps customers find the best hotels and flights.",
    "company_branding": "ACME Inc. should never be translated.",
    "formatting": "Never use capital letters",
    "glossary_terms": "Apartment, cabin, loft",
    "grammar_consistency": "",
    "literal_translation": "Neutral",
    "overall_tone": "Tone should be fun and light",
    "samples": "http://www.myexample.com/my/document/path/to/samples.pdf"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    title: 'Web application style guide',
    audience: 'customer-facing',
    target_audience: 'teenager',
    grammatical_person: 'first_person_singular',
    vocabulary_type: 'technical',
    business: 'We are a travel site that helps customers find the best hotels and flights.',
    company_branding: 'ACME Inc. should never be translated.',
    formatting: 'Never use capital letters',
    glossary_terms: 'Apartment, cabin, loft',
    grammar_consistency: '',
    literal_translation: 'Neutral',
    overall_tone: 'Tone should be fun and light',
    samples: 'http://www.myexample.com/my/document/path/to/samples.pdf'
  })
};

fetch('https://api.phrase.com/v2/projects/{project_id}/styleguides', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.phrase.com/v2/projects/{project_id}/styleguides",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'title' => 'Web application style guide',
    'audience' => 'customer-facing',
    'target_audience' => 'teenager',
    'grammatical_person' => 'first_person_singular',
    'vocabulary_type' => 'technical',
    'business' => 'We are a travel site that helps customers find the best hotels and flights.',
    'company_branding' => 'ACME Inc. should never be translated.',
    'formatting' => 'Never use capital letters',
    'glossary_terms' => 'Apartment, cabin, loft',
    'grammar_consistency' => '',
    'literal_translation' => 'Neutral',
    'overall_tone' => 'Tone should be fun and light',
    'samples' => 'http://www.myexample.com/my/document/path/to/samples.pdf'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.phrase.com/v2/projects/{project_id}/styleguides"

	payload := strings.NewReader("{\n  \"title\": \"Web application style guide\",\n  \"audience\": \"customer-facing\",\n  \"target_audience\": \"teenager\",\n  \"grammatical_person\": \"first_person_singular\",\n  \"vocabulary_type\": \"technical\",\n  \"business\": \"We are a travel site that helps customers find the best hotels and flights.\",\n  \"company_branding\": \"ACME Inc. should never be translated.\",\n  \"formatting\": \"Never use capital letters\",\n  \"glossary_terms\": \"Apartment, cabin, loft\",\n  \"grammar_consistency\": \"\",\n  \"literal_translation\": \"Neutral\",\n  \"overall_tone\": \"Tone should be fun and light\",\n  \"samples\": \"http://www.myexample.com/my/document/path/to/samples.pdf\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.phrase.com/v2/projects/{project_id}/styleguides")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"Web application style guide\",\n  \"audience\": \"customer-facing\",\n  \"target_audience\": \"teenager\",\n  \"grammatical_person\": \"first_person_singular\",\n  \"vocabulary_type\": \"technical\",\n  \"business\": \"We are a travel site that helps customers find the best hotels and flights.\",\n  \"company_branding\": \"ACME Inc. should never be translated.\",\n  \"formatting\": \"Never use capital letters\",\n  \"glossary_terms\": \"Apartment, cabin, loft\",\n  \"grammar_consistency\": \"\",\n  \"literal_translation\": \"Neutral\",\n  \"overall_tone\": \"Tone should be fun and light\",\n  \"samples\": \"http://www.myexample.com/my/document/path/to/samples.pdf\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.phrase.com/v2/projects/{project_id}/styleguides")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"title\": \"Web application style guide\",\n  \"audience\": \"customer-facing\",\n  \"target_audience\": \"teenager\",\n  \"grammatical_person\": \"first_person_singular\",\n  \"vocabulary_type\": \"technical\",\n  \"business\": \"We are a travel site that helps customers find the best hotels and flights.\",\n  \"company_branding\": \"ACME Inc. should never be translated.\",\n  \"formatting\": \"Never use capital letters\",\n  \"glossary_terms\": \"Apartment, cabin, loft\",\n  \"grammar_consistency\": \"\",\n  \"literal_translation\": \"Neutral\",\n  \"overall_tone\": \"Tone should be fun and light\",\n  \"samples\": \"http://www.myexample.com/my/document/path/to/samples.pdf\"\n}"

response = http.request(request)
puts response.read_body

{
  "id": "abcd1234cdef1234abcd1234cdef1234",
  "title": "My Style Guide",
  "created_at": "2015-01-28T09:52:53Z",
  "updated_at": "2015-01-28T09:52:53Z",
  "public_url": "https://phrase.com/styleguide/my-project/26f065cf597be340",
  "audience": "customer-facing",
  "target_audience": "teenager",
  "grammatical_person": "first_person_singular",
  "vocabulary_type": "technical",
  "business": "We are a travel site that helps customers find the best hotels and flights.",
  "company_branding": "ACME Inc. should never be translated.",
  "formatting": "Never use capital letters",
  "glossary_terms": "Apartment, cabin, loft",
  "grammar_consistency": "",
  "literal_translation": "Neutral",
  "overall_tone": "Tone should be fun and light",
  "samples": "http://www.myexample.com/my/document/path/to/samples.pdf"
}

{
  "message": "Validation Failed",
  "errors": [
    {
      "resource": "Resource",
      "field": "name",
      "message": "can't be blank"
    }
  ]
}