WritingAI – Official REST API Documentation

WritingAI provides an official REST API (v1) for programmatic SEO-optimized article generation. This API enables integration with automation platforms like Make.com, Zapier, Systeme.io, n8n, and any custom application.

Interactive API Docs → Visit WritingAI →

API Overview

Property	Details
Base URL	`https://fyivkyuhwrbejcevihjs.supabase.co/functions/v1/api-v1-generate`
Method	POST
Authentication	Bearer token (API key with `wai_` prefix)
Response Format	JSON
Rate Limiting	Based on subscription tier
Languages Supported	Hungarian, English, German, and more

Authentication

All API requests require a valid API key. API keys can be generated from the WritingAI Dashboard. Keys use the wai_ prefix format.

Include the API key as a Bearer token in the Authorization header:

Authorization: Bearer wai_YOUR_API_KEY

Endpoint: Generate Article

Request

POST https://fyivkyuhwrbejcevihjs.supabase.co/functions/v1/api-v1-generate
Content-Type: application/json
Authorization: Bearer wai_YOUR_API_KEY

{
  "keyword": "best SEO tools 2025",
  "language": "english",
  "tone": "professional",
  "location": "New York"
}

Request Parameters

Parameter	Type	Required	Description
`keyword`	string	Yes	The main keyword/topic for the article
`language`	string	No	Article language. Default: "english". Options: "magyar", "english", "deutsch"
`tone`	string	No	Writing tone. Default: "professional". Options: "professional", "casual", "formal"
`location`	string	No	Target geographic area for local SEO optimization

Response (Success – 200)

{
  "success": true,
  "data": {
    "title": "The Best SEO Tools in 2025: A Complete Guide",
    "metaDescription": "Discover the best SEO tools of 2025...",
    "content": "<h2>Introduction</h2><p>...</p>...",
    "faqItems": [
      {
        "question": "What is the best SEO tool in 2025?",
        "answer": "Based on our analysis..."
      }
    ],
    "keyword": "best SEO tools 2025"
  },
  "usage": {
    "used": 3,
    "limit": 50
  }
}

Response Fields

Field	Type	Description
`success`	boolean	Whether the request was successful
`data.title`	string	SEO-optimized article title
`data.metaDescription`	string	Meta description for SEO
`data.content`	string	Full article content in HTML format (5000+ characters)
`data.faqItems`	array	FAQ questions and answers for structured data
`data.keyword`	string	The keyword used for generation
`usage.used`	number	Number of articles generated in current period
`usage.limit`	number	Maximum articles allowed in current period

Error Codes

HTTP Code	Description
400	Bad Request – Missing or invalid `keyword` parameter
401	Unauthorized – Invalid, missing, or revoked API key
402	Payment Required – Subscription upgrade needed (no credits remaining)
429	Too Many Requests – Rate limit exceeded, try again later
500	Internal Server Error – Please retry or contact support

cURL Example

curl -X POST \
  https://fyivkyuhwrbejcevihjs.supabase.co/functions/v1/api-v1-generate \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer wai_YOUR_API_KEY" \
  -d '{
    "keyword": "best SEO tools 2025",
    "language": "english",
    "tone": "professional",
    "location": "New York"
  }'

JavaScript / Node.js Example

const response = await fetch(
  "https://fyivkyuhwrbejcevihjs.supabase.co/functions/v1/api-v1-generate",
  {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "Authorization": "Bearer wai_YOUR_API_KEY"
    },
    body: JSON.stringify({
      keyword: "best SEO tools 2025",
      language: "english",
      tone: "professional"
    })
  }
);

const data = await response.json();
console.log(data.data.title);
console.log(data.data.content);

Python Example

import requests

response = requests.post(
    "https://fyivkyuhwrbejcevihjs.supabase.co/functions/v1/api-v1-generate",
    headers={
        "Content-Type": "application/json",
        "Authorization": "Bearer wai_YOUR_API_KEY"
    },
    json={
        "keyword": "best SEO tools 2025",
        "language": "english",
        "tone": "professional"
    }
)

data = response.json()
print(data["data"]["title"])
print(data["data"]["content"])

Integration Examples

Make.com (Integromat)

Use the HTTP module to make a POST request to the API endpoint with your API key. You can automate article generation on a schedule or trigger it from other events.

Zapier

Use the "Webhooks by Zapier" action to send POST requests. Set up triggers from any Zapier-supported app to automatically generate content.

n8n

Use the HTTP Request node to call the WritingAI API. Perfect for building automated content pipelines.

Features

SEO-Optimized Content – Articles include H2/H3 headings, meta descriptions, FAQ sections with structured data
Multi-Language – Generate content in Hungarian, English, German and more
Geo-Targeting – Include location parameter for local SEO optimization
Customizable Tone – Professional, casual, or formal writing styles
Long-Form Content – Articles are 5000+ characters with proper HTML structure
FAQ Generation – Automatic FAQ items ready for Google rich snippets
Usage Tracking – Monitor API usage via the response or dashboard

Getting Started

Create an account at writingai.pro
Subscribe to a plan (3-day free trial available, no credit card required)
Navigate to the Dashboard and generate your API key
Start making API calls to generate SEO-optimized articles

Pricing

WritingAI offers a lifetime license for a one-time payment of $79 (29,990 HUF). This includes unlimited API access with no monthly fees. A 3-day free trial is available without a credit card. 30-day money-back guarantee.

Support

For API support, contact us at writingai.pro/kapcsolat or use the live chat on our website.