Sub-80ms Search Suggest & Typeahead Autocomplete API

GET/v1/autocomplete1 Credit / query (0 if empty)($0.0001 / query ($0.06–$0.10 / 1K queries))· Updated 2026-11-14

Return real-time search query completions for any seed prefix, country, and language in under 80ms. Ideal for programmatic SEO long-tail discovery, e-commerce search boxes, and LLM RAG query fan-out.

Parameters

qstringrequired
Seed query prefix to expand (e.g., 'best crm for' or 'how to migrate from').
Example: best crm for
countrystring
Two-letter ISO country code (default us).
Example: us
langstring
ISO 639-1 language code (default en).
Example: en
limitinteger (1 to 20)
Maximum number of autocomplete suggestions to return (1 to 20, default 10).
Example: 10

Example Request (cURL / Python / JavaScript)

curl "https://api.searchdataapi.com/v1/autocomplete?q=best+crm+for" \
  -H "x-api-key: sr_live_your_api_key"

import requests

res = requests.get(
    "https://api.searchdataapi.com/v1/autocomplete?q=best+crm+for",
    headers={"x-api-key": "sr_live_your_api_key"},
    timeout=30,
)
print(res.json())

const res = await fetch("https://api.searchdataapi.com/v1/autocomplete?q=best+crm+for", {
  headers: { "x-api-key": "sr_live_your_api_key" },
});
const data = await res.json();
console.log(data);

Live Response Preview

{
  "code": 0,
  "provider": "https://searchdataapi.com",
  "status": "ok",
  "msg": "success",
  "data": {
    "query": "best crm for",
    "country": "US",
    "lang": "en",
    "count": 5,
    "suggestions": [
      {
        "position": 1,
        "suggestion": "best crm for real estate agents",
        "completion_suffix": "real estate agents",
        "word_count": 6
      },
      {
        "position": 2,
        "suggestion": "best crm for small business",
        "completion_suffix": "small business",
        "word_count": 5
      },
      {
        "position": 3,
        "suggestion": "best crm for real estate",
        "completion_suffix": "real estate",
        "word_count": 5
      },
      {
        "position": 4,
        "suggestion": "best crm for mortgage loan officers",
        "completion_suffix": "mortgage loan officers",
        "word_count": 6
      },
      {
        "position": 5,
        "suggestion": "best crm for service based business",
        "completion_suffix": "service based business",
        "word_count": 6
      }
    ]
  },
  "meta": {
    "request_id": "68bd83ac-33c2-4f2f-8ef2-bf91b3a40119",
    "endpoint": "/v1/autocomplete",
    "count": 5,
    "credits_charged": 1,
    "cached": false,
    "took_ms": 46
  }
}

Response Fields

Ordered list of real-time typeahead suggestions with completion suffixes.

Field	Type	Sample / Notes
`code`	integer	Example: 0
`provider`	string	Example: https://searchdataapi.com
`status`	string	Example: ok
`msg`	string	Example: success
`data`	object
`query`	string	Input prefix.
`country`	string	ISO country code.
`lang`	string	ISO language code.
`count`	integer	Number of suggestions returned.
`suggestions`	array of AutocompleteItem
`position`	integer	1-based suggestion rank.
`suggestion`	string	Full completed query string.
`completion_suffix`	string	Appended suffix beyond input prefix.
`word_count`	integer	Word count of suggestion.
`meta`	ResponseMeta
`request_id`	string	Unique UUIDv4 trace identifier.
`endpoint`	string	Normalized /v1/* endpoint path.
`count`	integer	Number of primary items returned.
`credits_charged`	integer	Credits deducted (0 on empty or error).
`cached`	boolean	Whether served from L1/L2 edge cache.
`took_ms`	integer	End-to-end gateway latency in milliseconds.

Status Codes

200: Ordered list of real-time typeahead suggestions with completion suffixes.