Instagram Topic API. Send a topic or hashtag, or its link.

const params = new URLSearchParams({
  url: "https://www.instagram.com/popular/harry-potter/",
});
const res = await fetch(`https://socialtap.dev/v1/instagram/topic?${params}`, {
  headers: { "x-api-key": process.env.SOCIALTAP_API_KEY ?? "" },
});
const body = await res.json();
if (!res.ok) throw new Error(`${body.error.code}: ${body.error.message}`);
const { data, meta } = body;
console.log(data, meta.credits_charged);

import os

import requests

res = requests.get(
    "https://socialtap.dev/v1/instagram/topic",
    params={"url": "https://www.instagram.com/popular/harry-potter/"},
    headers={"x-api-key": os.environ["SOCIALTAP_API_KEY"]},
)
body = res.json()
if not res.ok:
    raise RuntimeError(f"{body['error']['code']}: {body['error']['message']}")
data, meta = body["data"], body["meta"]
print(data, meta["credits_charged"])

require "json"
require "net/http"

uri = URI("https://socialtap.dev/v1/instagram/topic")
uri.query = URI.encode_www_form('url' => 'https://www.instagram.com/popular/harry-potter/')
req = Net::HTTP::Get.new(uri)
req["x-api-key"] = ENV.fetch("SOCIALTAP_API_KEY")
res = Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == "https") { |http| http.request(req) }
body = JSON.parse(res.body)
raise "#{body["error"]["code"]}: #{body["error"]["message"]}" unless res.is_a?(Net::HTTPSuccess)
pp body["data"]
puts body["meta"]["credits_charged"]

<?php

$query = http_build_query([
    'url' => 'https://www.instagram.com/popular/harry-potter/',
]);
$ch = curl_init('https://socialtap.dev/v1/instagram/topic?' . $query);
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['x-api-key: ' . getenv('SOCIALTAP_API_KEY')],
]);
$body = json_decode(curl_exec($ch), true);
if (curl_getinfo($ch, CURLINFO_RESPONSE_CODE) >= 400) {
    throw new RuntimeException($body['error']['code'] . ': ' . $body['error']['message']);
}
print_r($body['data']);
echo $body['meta']['credits_charged'], PHP_EOL;

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"net/http"
	"net/url"
	"os"
)

func main() {
	q := url.Values{}
	q.Set("url", "https://www.instagram.com/popular/harry-potter/")
	req, err := http.NewRequest("GET", "https://socialtap.dev/v1/instagram/topic?"+q.Encode(), nil)
	if err != nil {
		log.Fatal(err)
	}
	req.Header.Set("x-api-key", os.Getenv("SOCIALTAP_API_KEY"))
	res, err := http.DefaultClient.Do(req)
	if err != nil {
		log.Fatal(err)
	}
	defer res.Body.Close()
	var body struct {
		Data  json.RawMessage `json:"data"`
		Meta  map[string]any  `json:"meta"`
		Error *struct {
			Code    string `json:"code"`
			Message string `json:"message"`
		} `json:"error"`
	}
	if err := json.NewDecoder(res.Body).Decode(&body); err != nil {
		log.Fatal(err)
	}
	if body.Error != nil {
		log.Fatalf("%s: %s", body.Error.Code, body.Error.Message)
	}
	fmt.Println(string(body.Data), body.Meta["credits_charged"])
}

curl -G 'https://socialtap.dev/v1/instagram/topic' \
  --data-urlencode 'url=https://www.instagram.com/popular/harry-potter/' \
  -H "x-api-key: $SOCIALTAP_API_KEY"

{
  "data": {
    "approximate_fields": [
      "platform_specific.instagram.post_count"
    ],
    "description": "Harry Potter (harrypotter), the official franchise account, recently announced the HBO Original Series premiere of Harry Potter and the Philosopher’s Stone for December 25 on HBO Max. The page shared a first-look poster of Dominic McLaughlin as Harry, with Hogwarts reflected in h…",
    "id": "harry-potter",
    "name": "Harry Potter",
    "platform": "instagram",
    "platform_specific": {
      "instagram": {
        "is_category": false,
        "post_count": 189000000,
        "source_urls": [
          "https://www.businesstoday.in/amp/trending/entertainment/story/harry-potter-returns-to-screens-this-christmas-hbo-unveils-first-look-at-new-series-564654-2026-10-30",
          "https://www.thestatesman.com/entertainment/meet-the-new-harry-potter-cast-harry-parents-and-charlie-weasley-are-officially-set-for-hbo-christmas-premiere-1503655977.html",
          "https://www.theweek.in/news/entertainment/2026/10/30/harry-potter-hbo-series-jiohotstar-india-release.html"
        ]
      }
    },
    "related_searches": [
      "copo harry potter cacau show",
      "harry potter hbo behind the scenes",
      "jamie campbell bower harry potter"
    ],
    "unknown_fields": [],
    "url": "https://www.instagram.com/popular/harry-potter/"
  },
  "meta": {
    "request_id": "req_3f9c2a7d1e8b4c6a9f0e2d4b6a8c0e1f",
    "platform": "instagram",
    "source": "page",
    "is_cached": false,
    "credits_charged": 1,
    "latency_ms": 1263,
    "fetched_at": "2026-10-25T12:00:00Z",
    "input": {
      "kind": "topic",
      "id": "harry-potter",
      "url": "https://www.instagram.com/popular/harry-potter/"
    },
    "credits_remaining": 9999,
    "client_request_id": null,
    "warnings": []
  }
}

import { SocialTap } from "socialtap";

const client = new SocialTap(); // apiKey defaults to process.env.SOCIALTAP_API_KEY

const res = await client.instagram.topic.get({ url: "https://www.instagram.com/popular/harry-potter/" });
console.log(res.data);
console.log(res.credits.charged, res.meta.request_id);

import java.net.URI;
import java.net.URLEncoder;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.charset.StandardCharsets;

public class Main {
    public static void main(String[] args) throws Exception {
        String query = "url=" + encode("https://www.instagram.com/popular/harry-potter/");
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://socialtap.dev/v1/instagram/topic?" + query))
            .header("x-api-key", System.getenv("SOCIALTAP_API_KEY"))
            .GET()
            .build();
        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());
        // An error is {"error": {"code", "message", ...}}; success is {data, meta}, meta.credits_charged its price.
        if (response.statusCode() >= 400) throw new RuntimeException(response.body());
        System.out.println(response.body());
    }

    static String encode(String value) {
        return URLEncoder.encode(value, StandardCharsets.UTF_8);
    }
}

using System.Text.Json;

using var http = new HttpClient();
http.DefaultRequestHeaders.Add("x-api-key", Environment.GetEnvironmentVariable("SOCIALTAP_API_KEY"));

var query = string.Join("&",
    "url=" + Uri.EscapeDataString("https://www.instagram.com/popular/harry-potter/"));
var res = await http.GetAsync("https://socialtap.dev/v1/instagram/topic?" + query);
using var body = JsonDocument.Parse(await res.Content.ReadAsStringAsync());
if (!res.IsSuccessStatusCode)
{
    var error = body.RootElement.GetProperty("error");
    throw new Exception($"{error.GetProperty("code")}: {error.GetProperty("message")}");
}
Console.WriteLine(body.RootElement.GetProperty("data"));
Console.WriteLine(body.RootElement.GetProperty("meta").GetProperty("credits_charged"));

// Cargo.toml: reqwest = { version = "0.12", features = ["blocking", "json"] }, serde_json = "1"
use std::env;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let res = reqwest::blocking::Client::new()
        .get("https://socialtap.dev/v1/instagram/topic")
        .query(&[("url", "https://www.instagram.com/popular/harry-potter/")])
        .header("x-api-key", env::var("SOCIALTAP_API_KEY")?)
        .send()?;
    let ok = res.status().is_success();
    let body: serde_json::Value = res.json()?;
    if !ok {
        return Err(format!("{}: {}", body["error"]["code"], body["error"]["message"]).into());
    }
    println!("{} {}", body["data"], body["meta"]["credits_charged"]);
    Ok(())
}