Backlink prospects (link gap)

curl --request POST \
  --url https://api.smartlyq.com/v1/seo/backlink-prospects \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "target": "<string>",
  "limit": 10
}
'

import requests

url = "https://api.smartlyq.com/v1/seo/backlink-prospects"

payload = {
    "target": "<string>",
    "limit": 10
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({target: '<string>', limit: 10})
};

fetch('https://api.smartlyq.com/v1/seo/backlink-prospects', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.smartlyq.com/v1/seo/backlink-prospects",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'target' => '<string>',
    'limit' => 10
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.smartlyq.com/v1/seo/backlink-prospects"

	payload := strings.NewReader("{\n  \"target\": \"<string>\",\n  \"limit\": 10\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.smartlyq.com/v1/seo/backlink-prospects")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"target\": \"<string>\",\n  \"limit\": 10\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.smartlyq.com/v1/seo/backlink-prospects")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"target\": \"<string>\",\n  \"limit\": 10\n}"

response = http.request(request)
puts response.read_body

{
  "success": true,
  "data": {
    "target": "example.com",
    "competitors": [
      {
        "domain": "rival.com",
        "rank": 412,
        "intersections": 340
      }
    ],
    "prospects": [
      {
        "referring_domain": "authority-blog.com",
        "rank": 520,
        "links_to_competitors": 3,
        "example_source_url": "https://authority-blog.com/best-tools"
      }
    ]
  },
  "meta": {
    "request_id": "req_1a2b3c4d",
    "timestamp": "2026-07-01T12:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "INVALID_API_KEY",
    "message": "Missing or malformed Authorization header",
    "details": {}
  },
  "meta": {
    "request_id": "req_9f3a2b1c-7d4e-4a08-b2c6-5e1f8a9d0c34",
    "timestamp": "2026-07-26T09:41:22Z"
  }
}

{
  "success": false,
  "error": {
    "code": "INSUFFICIENT_BALANCE",
    "message": "Wallet balance is insufficient for this request",
    "details": {
      "required": "0.0250",
      "balance": "0.0100"
    }
  },
  "meta": {
    "request_id": "req_9f3a2b1c-7d4e-4a08-b2c6-5e1f8a9d0c34",
    "timestamp": "2026-07-26T09:41:22Z"
  }
}

{
  "success": false,
  "error": {
    "code": "INSUFFICIENT_SCOPE",
    "message": "API key lacks required scope: social:write",
    "details": {
      "required_scope": "social:write"
    }
  },
  "meta": {
    "request_id": "req_9f3a2b1c-7d4e-4a08-b2c6-5e1f8a9d0c34",
    "timestamp": "2026-07-26T09:41:22Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Missing required fields: content, platforms.",
    "details": {
      "fields": [
        "content",
        "platforms"
      ]
    }
  },
  "meta": {
    "request_id": "req_9f3a2b1c-7d4e-4a08-b2c6-5e1f8a9d0c34",
    "timestamp": "2026-07-26T09:41:22Z"
  }
}

{
  "success": false,
  "error": {
    "code": "RATE_LIMITED",
    "message": "Rate limit exceeded. Retry after 12 seconds.",
    "details": {
      "retry_after": 12
    }
  },
  "meta": {
    "request_id": "req_9f3a2b1c-7d4e-4a08-b2c6-5e1f8a9d0c34",
    "timestamp": "2026-07-26T09:41:22Z"
  }
}

{
  "success": false,
  "error": {
    "code": "SERVER_ERROR",
    "message": "Something went wrong on our side. Retry with the same request_id - it is safe.",
    "details": {}
  },
  "meta": {
    "request_id": "req_9f3a2b1c-7d4e-4a08-b2c6-5e1f8a9d0c34",
    "timestamp": "2026-07-26T09:41:22Z"
  }
}