Vintage travel poster — Kyoto in spring

import { Imagen4Client } from "@runapi.ai/imagen-4";

const client = new Imagen4Client({
  apiKey: process.env.RUNAPI_API_KEY,
});

const result = await client.textToImage.run({
  "model": "imagen-4-fast",
  "prompt": "Vintage travel poster for Kyoto, Japan in the style of 1950s airline advertisements. A bold composition showing a vermillion torii gate framing a view of a pagoda surrounded by cherry blossom trees in full bloom. Soft pink petals scatter across the foreground. Mount Hiei is visible as a simple silhouette in the background. The text 'KYOTO' appears at the bottom in a retro sans-serif typeface with 'Japan' in smaller elegant script below. Limited color palette: vermillion red, cherry blossom pink, deep green, cream, and touches of gold. Flat color areas with subtle screen-print texture."
});
console.log(result.id);

require "runapi/imagen_4"

client = RunApi::Imagen4::Client.new
result = client.text_to_image.run(
  model: "imagen-4-fast",
  prompt: "Vintage travel poster for Kyoto, Japan in the style of 1950s airline advertisements. A bold composition showing a vermillion torii gate framing a view of a pagoda surrounded by cherry blossom trees in full bloom. Soft pink petals scatter across the foreground. Mount Hiei is visible as a simple silhouette in the background. The text 'KYOTO' appears at the bottom in a retro sans-serif typeface with 'Japan' in smaller elegant script below. Limited color palette: vermillion red, cherry blossom pink, deep green, cream, and touches of gold. Flat color areas with subtle screen-print texture."
)
puts result.id

package main

import (
  "context"
  "fmt"
  "log"
  "net/http"
  "os"
  "strings"
)

func main() {
  body := strings.NewReader("{\"model\":\"imagen-4-fast\",\"prompt\":\"Vintage travel poster for Kyoto, Japan in the style of 1950s airline advertisements. A bold composition showing a vermillion torii gate framing a view of a pagoda surrounded by cherry blossom trees in full bloom. Soft pink petals scatter across the foreground. Mount Hiei is visible as a simple silhouette in the background. The text 'KYOTO' appears at the bottom in a retro sans-serif typeface with 'Japan' in smaller elegant script below. Limited color palette: vermillion red, cherry blossom pink, deep green, cream, and touches of gold. Flat color areas with subtle screen-print texture.\"}")
  req, err := http.NewRequestWithContext(context.Background(), http.MethodPost, "https://runapi.ai/api/v1/imagen_4/text_to_image", body)
  if err != nil {
    log.Fatal(err)
  }

  req.Header.Set("Authorization", "Bearer "+os.Getenv("RUNAPI_API_KEY"))
  req.Header.Set("Content-Type", "application/json")

  resp, err := http.DefaultClient.Do(req)
  if err != nil {
    log.Fatal(err)
  }
  defer resp.Body.Close()

  fmt.Println(resp.Status)
}