# GPT-5 API — content generation & business automation

> Text generation, chatbots, SEO writing and document analysis over a REST API.

- Category: Artificial intelligence
- Free tier: $0.00
- Endpoints: 1
- Updated: 2025-11-26
- Home: https://free-api.bilgisam.com/apis/gpt-5-api

## Overview

A REST front end to GPT-5 and other advanced models for text generation, business automation, content creation, chatbots, SEO writing and document analysis.

Setup is a single endpoint with secure integration and support for over 100 languages, which makes it usable without an SDK.

## Endpoints

| Method | Path | What it does |
| --- | --- | --- |
| POST | `{\n  \` | Business Email Writer |

## Frequently asked questions

### Is GPT-5 API — content generation & business automation free?

GPT-5 API — content generation & business automation has a Basic plan that costs $0 per month and needs no card. Paid plans exist for higher volume and are listed above.

### How do I get an API key for GPT-5 API — content generation & business automation?

Subscribe to the free plan on the marketplace listing. The key appears immediately and works in the browser playground before you write any code.

### How many endpoints does GPT-5 API — content generation & business automation have?

GPT-5 API — content generation & business automation publishes 1 endpoints. Each one is listed above with its method, path and purpose.