Chat API Reference

import requests

API_KEY = "sk-your-api-key"

response = requests.post(
    "https://api.apiyi.com/v1/chat/completions",
    headers={"Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json"},
    json={
        "model": "gpt-image-2.5-vip",
        "size": "2048x1152",  # Optional; omit to let the prompt drive sizing
        "messages": [
            {"role": "user", "content": "Cinematic landscape 16:9, old lighthouse by the sea at dusk, photorealistic"}
        ]
    },
    timeout=300
).json()

# Defaults to url; if you switch to b64_json mode, read response["data"][0]["b64_json"]
print(response["data"][0]["url"])

import requests
import base64

API_KEY = "sk-your-api-key"

# HTTPS URL or base64 data URL — both work
with open("photo.png", "rb") as f:
    data_url = "data:image/png;base64," + base64.b64encode(f.read()).decode()

response = requests.post(
    "https://api.apiyi.com/v1/chat/completions",
    headers={"Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json"},
    json={
        "model": "gpt-image-2.5-vip",
        "size": "2048x2048",  # Optional; omit to let the prompt drive sizing
        "messages": [
            {
                "role": "user",
                "content": [
                    {"type": "text", "text": "Convert this image into watercolor style"},
                    {"type": "image_url", "image_url": {"url": data_url}}
                ]
            }
        ]
    },
    timeout=300
).json()

# Defaults to url; if you switch to b64_json mode, read response["data"][0]["b64_json"]
print(response["data"][0]["url"])

curl -X POST "https://api.apiyi.com/v1/chat/completions" \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-image-2.5-vip",
    "size": "2048x1152",
    "messages": [
      {"role": "user", "content": "Cyberpunk rainy night street, 16:9, neon sign reading Hello World"}
    ]
  }'

curl -X POST "https://api.apiyi.com/v1/chat/completions" \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-image-2.5-vip",
    "messages": [
      {
        "role": "user",
        "content": [
          { "type": "text", "text": "Convert this image into watercolor style" },
          { "type": "image_url", "image_url": { "url": "https://example.com/photo.png" } }
        ]
      }
    ]
  }'

const API_KEY = "sk-your-api-key";

const response = await fetch("https://api.apiyi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${API_KEY}`,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    model: "gpt-image-2.5-vip",
    messages: [
      { role: "user", content: "1024x1024 square logo, minimalist cat line art" }
    ]
  })
});

const data = await response.json();
// Defaults to url; if you switch to b64_json mode, read data.data[0].b64_json
console.log(data.data[0].url);

{
  "data": [
    {
      "url": "https://r2cdn.copilotbase.com/r2cdn2/0e82148a-bec0-4b42-bbca-117c6b42581b.png"
    }
  ],
  "created": 1778037331,
  "usage": {
    "input_tokens": 30,
    "output_tokens": 2074,
    "total_tokens": 2104
  }
}

{
  "data": [
    {
      "b64_json": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..."
    }
  ],
  "created": 1778037127,
  "usage": {
    "input_tokens": 98,
    "output_tokens": 1185,
    "total_tokens": 1283
  }
}