Create writing style

Add a new named voice configuration: for content (articles) or for one social channel (Reddit, LinkedIn). Refuses past 10 styles in the same scope, and refuses a name already used in that scope — both match the app.


POST /brands/{brand_id}/writing-styles

Authorization

Header	Type	Required
`Authorization`	`Bearer asky_sk_…`	required
`Idempotency-Key`	`string`	required on every write. See Idempotency

Path parameters

Parameter	Type	Required	Description
`brand_id`	`uuid`	required	From List brands

Body parameters

Parameter	Type	Required	Description
`surface`	`string`	required	`content` or `social`
`channel`	`string`	required when `surface` is `social`	`reddit` or `linkedin`. Must be omitted when `surface` is `content`
`name`	`string`	required	1 to 60 characters. Must be unique within this scope (case-insensitive)
`tone_of_voice`	`object`	optional	`{ presets?: string[], custom_tones?: string[], description?: string }`. `presets` entries must exactly match one of `Expert`, `Conversational`, `Confident`, `Educational`, `Bold`, `Empathetic`, `Direct`, `Approachable`, `Storytelling` — anything else belongs in `custom_tones`, which is free text
`writing_rules`	`object`	optional	`{ always_do?: string[], never_do?: string[] }`
`heading_case_style`	`string`	optional	`sentence` or `title`. Content styles only — rejected on a social style
`translation_formality`	`string`	optional	`default`, `prefer_more` or `prefer_less`. Content styles only
`competitor_statistics_mode`	`string`	optional	`ask`, `include` or `exclude`. Content styles only
`english_variant`	`string`	optional	`us` or `uk`. Content styles only — a social style’s spelling preference goes in `language_overrides.en` instead
`language_overrides`	`object`	optional	Social styles only. Keyed by ISO 639-1 code, e.g. `{"de": {"formality": "prefer_more", "nuance": "...", "always_do": [], "never_do": [], "english_variant": null}}`
`is_default`	`boolean`	optional	Make this the scope’s default immediately after creating it

Request

cURL


curl --request POST \
  --url 'https://api.askylabs.com/v1/brands/242546de-4cee-4a7d-952e-f6aa60c63ef8/writing-styles' \
  --header 'Authorization: Bearer <api-key>' \
  --header 'Idempotency-Key: 9c2e5f1a-3b7d-4a6e-8c1f-2d5b7a9e6f30' \
  --header 'Content-Type: application/json' \
  --data '{
    "surface": "social",
    "channel": "linkedin",
    "name": "LinkedIn Professional"
  }'

Python


import requests
 
url = "https://api.askylabs.com/v1/brands/242546de-4cee-4a7d-952e-f6aa60c63ef8/writing-styles"
 
headers = {
    "Authorization": "Bearer <api-key>",
    "Idempotency-Key": "9c2e5f1a-3b7d-4a6e-8c1f-2d5b7a9e6f30",
    "Content-Type": "application/json",
}
 
payload = {"surface": "social", "channel": "linkedin", "name": "LinkedIn Professional"}
 
response = requests.post(url, headers=headers, json=payload)
 
print(response.text)

JavaScript


const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <api-key>',
    'Idempotency-Key': '9c2e5f1a-3b7d-4a6e-8c1f-2d5b7a9e6f30',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({ surface: 'social', channel: 'linkedin', name: 'LinkedIn Professional' }),
};
 
fetch('https://api.askylabs.com/v1/brands/242546de-4cee-4a7d-952e-f6aa60c63ef8/writing-styles', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

PHP


<?php
 
$curl = curl_init();
 
curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.askylabs.com/v1/brands/242546de-4cee-4a7d-952e-f6aa60c63ef8/writing-styles",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode(["surface" => "social", "channel" => "linkedin", "name" => "LinkedIn Professional"]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <api-key>",
    "Idempotency-Key: 9c2e5f1a-3b7d-4a6e-8c1f-2d5b7a9e6f30",
    "Content-Type: application/json"
  ],
]);
 
$response = curl_exec($curl);
$err = curl_error($curl);
 
curl_close($curl);
 
if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

Go


package main
 
import (
    "fmt"
    "net/http"
    "strings"
    "io"
)
 
func main() {
 
    url := "https://api.askylabs.com/v1/brands/242546de-4cee-4a7d-952e-f6aa60c63ef8/writing-styles"
 
    payload := strings.NewReader(`{"surface": "social", "channel": "linkedin", "name": "LinkedIn Professional"}`)
 
    req, _ := http.NewRequest("POST", url, payload)
 
    req.Header.Add("Authorization", "Bearer <api-key>")
    req.Header.Add("Idempotency-Key", "9c2e5f1a-3b7d-4a6e-8c1f-2d5b7a9e6f30")
    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))
 
}

Ruby


require 'uri'
require 'net/http'
require 'json'
 
url = URI("https://api.askylabs.com/v1/brands/242546de-4cee-4a7d-952e-f6aa60c63ef8/writing-styles")
 
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
 
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <api-key>'
request["Idempotency-Key"] = '9c2e5f1a-3b7d-4a6e-8c1f-2d5b7a9e6f30'
request["Content-Type"] = 'application/json'
request.body = {surface: "social", channel: "linkedin", name: "LinkedIn Professional"}.to_json
 
response = http.request(request)
puts response.read_body

Response

200


{
  "data": {
    "id": "8c082c21-a2eb-4c0f-bcd9-d58097a48e45",
    "name": "LinkedIn Professional",
    "surface": "social",
    "channel": "linkedin",
    "is_default": false,
    "sort_order": 0,
    "tone_of_voice": { "presets": [], "custom_tones": [], "description": "" },
    "writing_rules": { "always_do": [], "never_do": [] },
    "heading_case_style": "sentence",
    "translation_formality": null,
    "competitor_statistics_mode": null,
    "english_variant": null,
    "language_overrides": {},
    "tone_generation_status": null,
    "created_at": "2026-08-29T02:15:00.000Z",
    "updated_at": "2026-08-29T02:15:00.000Z"
  },
  "request_id": "req_7c9e1f3a4b2d46f08a1c"
}

400


{
  "error": {
    "code": "invalid_request",
    "message": "channel is required when surface is social.",
    "request_id": "req_2a7c5e91b8d04f36ac10"
  }
}

401


{
  "error": {
    "code": "token_expired",
    "message": "This API key has expired. Roll it from the API tab on the Connections page to get a replacement.",
    "request_id": "req_8f21c0aa47b1490d2e63"
  }
}

404


{
  "error": {
    "code": "not_found",
    "message": "Not found.",
    "request_id": "req_5b0e77d213a94f6a8ce1"
  }
}

409


{
  "error": {
    "code": "conflict",
    "message": "This brand already has the maximum of 10 writing styles for this scope.",
    "request_id": "req_31c9ba7f0e5d4a118cc2"
  }
}

429


{
  "error": {
    "code": "rate_limited",
    "message": "Too many requests. Retry after 24 seconds.",
    "request_id": "req_9a3f5e21c0aa47b190d2"
  }
}

Response fields

Same shape as Get writing style’s data.

Errors

Status	Code	When
400	`invalid_request`	`channel` missing when `surface=social`, `channel` present when `surface=content`, a content-only field set on a social style, `language_overrides` set on a content style, or another malformed field. The message names it
401	`invalid_token`	The key is missing, malformed, or does not exist
401	`token_expired`	The key passed its expiry date
401	`token_revoked`	The key was revoked
404	`not_found`	The brand does not exist, or this key is not allowed to reach it
409	`conflict`	This scope already has 10 styles, or a style with this name already exists in this scope
429	`rate_limited`	Over 60 requests per minute on write endpoints

Notes

surface and channel cannot be changed after creation. There is no update path for either — create a new style and delete the old one if you need to move a configuration.

channel is limited to reddit and linkedin. The underlying schema also allows quora and hackernews, but neither has any app support yet, so the API does not expose them either.

A style with no fields set beyond name is not useless. It falls back to the DB defaults (an empty tone/rules, heading_case_style: "sentence"), the same starting point a new style gets in the app before anyone edits it.