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AI Image Generation API in Go

Complete Go integration guide for the AI Image Generation API. Copy the code below, add your RapidAPI key, and start building.

Prerequisites

Complete Go Example

helix-ai-image-generation.go
package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
)

func main() {
	url := "https://ai-image-gen-by-helix-api.p.rapidapi.com/generate"
	payload := []byte(`{"prompt": "A futuristic city skyline at sunset, digital art", "width": 512, "height": 512}`)

	req, _ := http.NewRequest("POST", url, bytes.NewBuffer(payload))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("X-RapidAPI-Key", "YOUR_API_KEY")
	req.Header.Set("X-RapidAPI-Host", "ai-image-gen-by-helix-api.p.rapidapi.com")

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println("Error:", err)
		return
	}
	defer resp.Body.Close()

	body, _ := io.ReadAll(resp.Body)

	var result map[string]interface{}
	json.Unmarshal(body, &result)
	fmt.Println("Status:", result["status"])
	fmt.Println("Result:", result["data"])
}

Response Format

All Helix-API endpoints return a consistent JSON envelope:

{
  "status": "ok",
  "data": { ... },
  "meta": {
    "request_id": "req_abc123",
    "latency_ms": 42
  }
}

On errors, status becomes "error" and a message field explains what went wrong.

Error Handling

StatusMeaningAction
200SuccessParse the response body normally
400Bad requestCheck your request parameters
401UnauthorizedVerify your X-RapidAPI-Key header
429Rate limitedWait and retry with exponential backoff
500Server errorRetry after a short delay

Go Best Practices

Zero dependencies

Go's standard library (net/http) is all you need. The example calls the AI Image Generation API without any third-party packages.

Struct for type-safe responses

Define a struct matching the JSON response and use json.Unmarshal. This gives you compile-time safety and field access.

Context for timeouts

Use context.WithTimeout to set a deadline. This is idiomatic Go and prevents goroutine leaks.

Connection pooling

Reuse the http.Client across requests. Go's default client pools connections automatically — just don't create a new one per request.

AI Image Generation API Endpoints

POST
/generate

Generate image from text prompt

GET
/models

List available models

Other Languages

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