Autocomplete API

The Autocomplete API provides intelligent suggestions for places, addresses, or landmarks as users type. It’s optimized for speed, accuracy, and localization, helping you create a seamless search experience in maps, navigation apps, delivery platforms, and more.

Try it out in our playground Now!

🔑 Authentication

All requests must include your API key.
Header Example:
Authorization: X-Authorization-Token (Get your token HERE)

🌐 Endpoint

GET /v4/autocomplete
Base URL: https://apihub.latlong.ai/v4/autocomplete

📥 Request Parameters

Parameter	Type	Required	Description
Query	String	Yes	Partial input from the user (e.g. “Banga”)
Lat	Float	No	Latitude for location biasing
Long	Float	No	Longitude for location biasing
Limit	Int	No	Max number of suggestions to return (default: 5, max: 20)
Language	String	No	Language code (e.g., en, hi, fr) for localized results

📤 Sample Request

curl --location 'https://apihub.latlong.ai/v4/autocomplete.json?query=delhi'

📦 Sample Response

{
  "code": 1001,
  "status": "success",
  "data": [
    {
      "name": "Delhi - Kalka Line, North Delhi, Delhi",
      "geoid": 187911
    },
    {
      "name": "Delhi Ring Railway, West Delhi, Delhi",
      "geoid": 188378
    },
    {
      "name": "Delhi, South West Delhi, Delhi",
      "geoid": 188443
    },
    {
      "name": "Delhi Zaika, Motihari, East Champaran, Bihar",
      "geoid": 188584
    },
    {
      "name": "Delhi Zaika Biryani, Siwan:Siwan District:Bihar, Siwan, Bihar",
      "geoid": 188576
    },
    {
      "name": "Delhi-Kolkata Highway, Amas Taluk, Gaya, Bihar",
      "geoid": 187970
    },
    {
      "name": "Delhi Juice Corner, Motihari, East Champaran, Bihar",
      "geoid": 187858
    },
    {
      "name": "Delhi–Howrah railway, Veerchand Patel Road Area, Patna, Patna, Bihar",
      "geoid": 187842
    },
    {
      "name": "Delhi–Howrah railway, Rajendra Nagar:Patna, Patna, Bihar",
      "geoid": 187840
    },
    {
      "name": "Delhi Cantonment, New Delhi, Delhi",
      "geoid": 187390
    }
  ]
}

🧠 Features

🔍
Real-time, fast suggestions
Get accurate, fast suggestions as users type.
📍
Location-aware results
Bias by latitude and longitude for relevance.
🌏
Multi-language support
Localized results in users' preferred language.
✨
Smart filtering
Prioritize populated and frequently searched places.

⚠️ Errors

Status Code	Message	Description
400	Missing required parameters	When query is not provided
401	Unauthorized	API key missing or invalid
429	Rate limit exceeded	Too many requests in a short time
500	Internal Server Error	Something went wrong on our side

Best Practices

Use lat and lon for biasing results based on user's location
Debounce user input to reduce request load (e.g., 300ms delay)
Limit API calls to one per input change event
Set limit to avoid overloading the UI with suggestions