Chat Completions

POST /v1/chat/completions — the most common text chat endpoint, compatible with the OpenAI Chat Completions format.

Request example

cURL

curl https://api.novaapis.com/v1/chat/completions \
  -H "Authorization: Bearer $NOVA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.5",
    "messages": [
      { "role": "system", "content": "You are a helpful assistant." },
      { "role": "user", "content": "Describe NovaAPI in one sentence" }
    ]
  }'

Python

from openai import OpenAI

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

resp = client.chat.completions.create(
    model="gpt-5.5",
    messages=[
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "Describe NovaAPI in one sentence"},
    ],
)
print(resp.choices[0].message.content)

Node.js

import OpenAI from 'openai'

const client = new OpenAI({
  apiKey: process.env.NOVA_API_KEY,
  baseURL: 'https://api.novaapis.com/v1',
})

const resp = await client.chat.completions.create({
  model: 'gpt-5.5',
  messages: [
    { role: 'system', content: 'You are a helpful assistant.' },
    { role: 'user', content: 'Describe NovaAPI in one sentence' },
  ],
})
console.log(resp.choices[0].message.content)

Common parameters

Parameter	Type	Description
model	string	Model name, see Models
messages	array	Array of conversation messages
stream	boolean	Stream the response, defaults to false
temperature	number	Sampling temperature, 0–2
max_tokens	number	Max tokens to generate

Streaming

Set "stream": true and the server pushes content in chunks via SSE:

cURL

curl https://api.novaapis.com/v1/chat/completions \
  -H "Authorization: Bearer $NOVA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.5",
    "messages": [{ "role": "user", "content": "Tell me a joke" }],
    "stream": true
  }'

Python

from openai import OpenAI

client = OpenAI(api_key="...", base_url="https://api.novaapis.com/v1")

stream = client.chat.completions.create(
    model="gpt-5.5",
    messages=[{"role": "user", "content": "Tell me a joke"}],
    stream=True,
)
for chunk in stream:
    if chunk.choices: 
        print(chunk.choices[0].delta.content or "", end="")

Node.js

import OpenAI from 'openai'

const client = new OpenAI({
  apiKey: process.env.NOVA_API_KEY,
  baseURL: 'https://api.novaapis.com/v1',
})

const stream = await client.chat.completions.create({
  model: 'gpt-5.5',
  messages: [{ role: 'user', content: 'Tell me a joke' }],
  stream: true,
})
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content || '')
}