AI-Powered Paraphrasing for SEO: Optimizing Product Descriptions with AvalAI API

package main
import (
"bytes"
"encoding/json"
"fmt"
"io"
"log"
"net/http")// Outer API response structure
type APIResponse struct {
    ID string `json:"id"` Created int64 `json:"created"` Model string `json:"model"` Object string
    `json:"object"` Choices []struct {
        Message struct {
            Content string `json:"content"`
            Role string `json:"role"`
        }
        `json:"message"`
    }
    `json:"choices"` Usage struct {
        CompletionTokens int `json:"completion_tokens"`
        PromptTokens int `json:"prompt_tokens"`
        TotalTokens int `json:"total_tokens"`
    }
    `json:"usage"`
}
// Final desired output structure
type FormattedResponse struct {
    FormattedText string `json:"formatted_text"`
    Location string `json:"location"`
}
func main() {
    url := "https://api.avalai.ir/v1/chat/completions" payload := map[string]
    interface{
    }
    {
        "model": "deepseek-v3.1", "messages": []map[string]interface{
        }
        {
            {
                "role":
                "system",
                "content":
                "You are a structured data formatter. Your task is to rewrite the input text in an exciting and formal tone, then return the result strictly as a JSON object with the exact structure below.\n        You must return output ONLY in this JSON format:\n        {\n        \"formatted_text\": \"string\",\n        \"location\": \"string\",\n        }\n        \"formatted_text\": Rewrite the input text in an exciting, elegant, and formal Persian tone — make it captivating for travelers or customers.\n        \"location\": Copy the exact value of address from input.\n\n        Important:\n        - DO NOT add any extra text, explanation, code block (like ```json), or formatting.\n        - Return ONLY raw, valid JSON.",
            }, {
                "response_format": "JSON",
                "n": 1,
                "role": "user",
                "content":
                "About this propertyPrime Beachfront Location: Radisson Beach Resort Palm Jumeirah in Dubai offers direct beachfront access with a private beach area. Guests enjoy stunning sea views and a serene setting on Palm West Beach, less than 0.6 mi away.Exceptional Facilities: The resort features an infinity swimming pool, spa facilities, fitness center, terrace, restaurant, bar, and free WiFi. Additional amenities include a minimarket, pool bar, and fitness room.Comfortable Accommodations: Rooms offer air-conditioning, private bathrooms, city views, and modern amenities such as tea and coffee makers, refrigerators, and work desks. Family rooms and interconnected rooms cater to all guests.Dining Experience: The family-friendly restaurant serves Mexican, seafood, Texmex, Russian, and international cuisines with halal, vegetarian, vegan, gluten-free, and dairy-free options. Breakfast includes warm dishes, fresh pastries, and more.Couples in particular like the location – they rated it 9.4 for a two-person trip.",
            },
        },
    }
    jsonData, err := json.Marshal(payload) if err != nil {
        log.Fatal("Error marshaling JSON:", err)
    }
    req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonData)) if err != nil {
        log.Fatal("Error creating request:", err)
    }
    req.Header.Set("Content-Type", "application/json") req.Header.Set("Authorization",
    "Bearer aa-SECRECT") client := &http.Client{
    }
    resp, err := client.Do(req) if err != nil {
        log.Fatal("Error sending request:", err)
    }
    defer resp.Body.Close() body, err := io.ReadAll(resp.Body) if err != nil {
        log.Fatal("Error reading response body:", err)
    }
    if resp.StatusCode != http.StatusOK {
        log.Fatalf("API returned non-200 status: %d\nResponse: %s", resp.StatusCode, string(body))
    }
    // Parse outer API response
    var apiResp APIResponse if err := json.Unmarshal(body, &apiResp);
    err != nil {
        log.Fatal("Error parsing API response:", err)
    }
    if len(apiResp.Choices) == 0 {
        log.Fatal("No choices returned in API response")
    }
    content := apiResp.Choices[0].Message.Content // Parse inner JSON string into final struct
    var finalResp FormattedResponse if err := json.Unmarshal([]byte(content), &finalResp);
    err != nil {
        log.Fatal("Error parsing inner JSON content:", err)
    }
    // ✅ FINAL OUTPUT fmt.Println("✅ Formatted Text:") fmt.Println(finalResp.FormattedText)
    fmt.Println() fmt.Println("📍 Location:") fmt.Println(finalResp.Location)
}

curl --location 'https://api.avalai.ir/v1/chat/completions' \--header
'Content-Type: application/json' \--header 'Authorization: Bearer aa-SECRECT' \--data
'{  "model": "deepseek-v3.1",  "messages": [    {      "role": "system",      "content": "You are a structured data formatter. Your task is to rewrite the input text in an exciting and formal tone, then return the result strictly as a JSON object with the exact structure below.        You must return output ONLY in this JSON format:        {        \"formatted_text\": \"string\",        \"location\": \"string\",        }        \"formatted_text\": Rewrite the input text in an exciting, elegant, and formal Persian tone — make it captivating for travelers or customers.        \"location\": Copy the exact value of address from input.        Important:        - DO NOT add any extra text, explanation, code block (like ```json), or formatting.        - Return ONLY raw, valid JSON."    },        {      "response_format": "JSON",      "n": 1,      "role": "user",      "content": "About this propertyPrime Beachfront Location: Radisson Beach Resort Palm Jumeirah in Dubai offers direct beachfront access with a private beach area. Guests enjoy stunning sea views and a serene setting on Palm West Beach, less than 0.6 mi away.Exceptional Facilities: The resort features an infinity swimming pool, spa facilities, fitness center, terrace, restaurant, bar, and free WiFi. Additional amenities include a minimarket, pool bar, and fitness room.Comfortable Accommodations: Rooms offer air-conditioning, private bathrooms, city views, and modern amenities such as tea and coffee makers, refrigerators, and work desks. Family rooms and interconnected rooms cater to all guests.Dining Experience: The family-friendly restaurant serves Mexican, seafood, Texmex, Russian, and international cuisines with halal, vegetarian, vegan, gluten-free, and dairy-free options. Breakfast includes warm dishes, fresh pastries, and more.Couples in particular like the location – they rated it 9.4 for a two-person trip."    }  ]}'