{
  "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}"
}

curl -X POST 'https://api.skillfulsardine.com/v1/check/string/is/valid/json' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}"
}'

$body = @'
{
  "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}"
}
'@
$response = Invoke-RestMethod -Method Post -Uri 'https://api.skillfulsardine.com/v1/check/string/is/valid/json' `
  -Headers @{ Authorization = 'Bearer YOUR_TOKEN' } `
  -ContentType 'application/json; charset=utf-8' `
  -Body ([System.Text.Encoding]::UTF8.GetBytes($body))
$response | ConvertTo-Json -Depth 10

import requests

payload = {
    "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}",
}

response = requests.post(
    "https://api.skillfulsardine.com/v1/check/string/is/valid/json",
    headers={"Authorization": "Bearer YOUR_TOKEN"},
    json=payload,
    timeout=30,
)
print(response.json())

const response = await fetch("https://api.skillfulsardine.com/v1/check/string/is/valid/json", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_TOKEN",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
  "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}"
}),
});
const result = await response.json();
console.log(result);

// Node 18 or later. Save as call.mjs and run: API_TOKEN=... node call.mjs
const token = process.env.API_TOKEN;

const response = await fetch("https://api.skillfulsardine.com/v1/check/string/is/valid/json", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${token}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
  "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}"
}),
});
const result = await response.json();
console.log(result);

// Cargo.toml: reqwest = { version = "0.12", features = ["blocking", "json"] }, serde_json = "1"
fn main() -> Result<(), Box<dyn std::error::Error>> {
    let body: serde_json::Value = serde_json::from_str(r#"{
  "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}"
}"#)?;
    let response = reqwest::blocking::Client::new()
        .post("https://api.skillfulsardine.com/v1/check/string/is/valid/json")
        .bearer_auth("YOUR_TOKEN")
        .json(&body)
        .send()?;
    println!("{}", response.text()?);
    Ok(())
}

import Foundation

var request = URLRequest(url: URL(string: "https://api.skillfulsardine.com/v1/check/string/is/valid/json")!)
request.httpMethod = "POST"
request.setValue("Bearer YOUR_TOKEN", forHTTPHeaderField: "Authorization")
request.setValue("application/json", forHTTPHeaderField: "Content-Type")
request.httpBody = Data(#"""
{
  "content": "{\n  \"city\": \"Porto\"\n  \"temp_c\": 18\n}"
}
"""#.utf8)

let (data, _) = try await URLSession.shared.data(for: request)
print(String(decoding: data, as: UTF8.self))

{
  "data": {
    "valid": false,
    "error": {
      "message": "Missing comma between two values",
      "line": 3,
      "column": 3,
      "excerpt": "  \"temp_c\": 18"
    }
  },
  "errors": null,
  "meta": {
    "request_id": "c06ff150-423d-4b6c-be4c-e1600cce9748",
    "timestamp": "2026-10-27T07:19:42.129529Z",
    "version": "2026-03-26"
  },
  "pagination": null
}