Quick Start - GravitexAI Documentation

Step 1: Account Setup

1.1 Get Your Account

GravitexAI does not offer public registration. To use our services, please contact our BD (Business Development) team to provision your account.

Reach out to our BD team through one of the following channels:

Call BD

Call us at: +86 151 1306 2111

Email BD

Send an email to bd@gravitex.ai

Once your account is provisioned, you’ll receive login credentials to access the GravitexAI Console.

1.2 Add Credits

Click “Personal Center”
Click “Billing Recharge” to pay (Alipay, WeChat supported)

For invoices or bank transfers, please contact your BD for assistance.

Step 2: Create API Key

2.1 Generate Key

Click “Model Center” in the navigation
Click “API Keys”
Click “Create New” to generate a key

Step 3: Start Calling

3.1 Connection Info

Config	Value
API URL (Base URL)	`https://api.gravitex.ai/v1`
API Key	Your created key
Request Format	Fully OpenAI API compatible

3.2 Test Call

Quick test with curl:

curl https://api.gravitex.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "gpt-5.4",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

3.3 Code Examples

Python
Node.js
Java

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.gravitex.ai/v1"
)

response = client.chat.completions.create(
    model="gpt-5.4",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)

print(response.choices[0].message.content)

import OpenAI from 'openai';

const openai = new OpenAI({
  apiKey: 'YOUR_API_KEY',
  baseURL: 'https://api.gravitex.ai/v1'
});

const response = await openai.chat.completions.create({
  model: 'gpt-5.4',
  messages: [{ role: 'user', content: 'Hello!' }]
});

console.log(response.choices[0].message.content);

OpenAiService service = new OpenAiService(
    "YOUR_API_KEY", 
    Duration.ofSeconds(60), 
    "https://api.gravitex.ai/v1"
);

ChatCompletionRequest request = ChatCompletionRequest.builder()
    .model("gpt-5.4")
    .messages(List.of(
        new ChatMessage(ChatMessageRole.USER, "Hello!")
    ))
    .build();

ChatCompletionResult result = service.createChatCompletion(request);
System.out.println(result.getChoices().get(0).getMessage().getContent());

Next Steps

Congratulations! You’ve successfully set up GravitexAI. Next you can:

View API Docs

Learn about complete API specifications

Integrate with Apps

Integrate GravitexAI with various tools

FAQ

How to switch models?

Just change the model parameter in your request:

{
  "model": "gpt-5.4",
  "model": "claude-sonnet-4-6",
  "model": "gemini-3.1-pro-preview"
}

Which programming languages are supported?

GravitexAI is OpenAI API compatible, supporting all OpenAI SDK languages:

Python
JavaScript/TypeScript
Java
C#/.NET
Go
Ruby
PHP

How to check balance?

Account balance
Usage history
Consumption statistics

How do I get an account?

GravitexAI does not offer public registration. All accounts are provisioned by our BD team. Once onboarded, you’ll enjoy:

Dedicated one-on-one BD support
Customized model plans and quota allocation
Faster technical support and issue resolution

To get started, please email bd@gravitex.ai or call us at +86 151 1306 2111.

Having issues?

Check API documentation
Review common errors
Contact support: bd@gravitex.ai

Save your API key safely and regularly check usage logs in the console to optimize costs. Happy coding~

Documentation Index

​Step 1: Account Setup

​1.1 Get Your Account

Call BD

Email BD

​1.2 Add Credits

​Step 2: Create API Key

​2.1 Generate Key

​Step 3: Start Calling

​3.1 Connection Info

​3.2 Test Call

​3.3 Code Examples

​Next Steps

View API Docs

Integrate with Apps

​FAQ

Step 1: Account Setup

1.1 Get Your Account

1.2 Add Credits

Step 2: Create API Key

2.1 Generate Key

Step 3: Start Calling

3.1 Connection Info

3.2 Test Call

3.3 Code Examples

Next Steps

FAQ