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serp402 Google Autocomplete
x402
serp402 Google Autocomplete is a paid API for AI agents from serp402.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-31).
Returns Google search autocomplete suggestions for a given query, supporting multiple clients (Chrome, Safari, Firefox, YouTube, etc.) with locale and cursor control
Price / call$0.05
Success—
StatusUnknown
How this service works
Google Autocomplete: Chrome, Safari, Firefox, YouTube and more clients supported. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners.
Output
A structured JSON response containing a list of autocomplete suggestion strings that Google would display for the given query, client, country, and language combination — mimicking the real-time typeahead experience across supported clients like Chrome, Safari, Firefox, and YouTube.
Example use cases
SEO keyword research via autocomplete
“What autocomplete suggestions does Google show for 'content marketing' in the UK, using English and a Chrome client? I want to see what queries people are typing.”
YouTube search suggestion discovery
“Get me YouTube autocomplete suggestions for the query 'how to learn guitar' — I want to see what completions Google returns for that client.”
Localized autocomplete for French market
“What does Google autocomplete suggest when someone in France types 'recette facile' in French? Use the Chrome client and show me all the completions.”
Technical details
Endpoint
POSThttps://serp402.com/api/v1/google-autocomplete?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need programmatic access to Google's autocomplete/typeahead suggestions across multiple client types (Chrome, Firefox, Safari, YouTube) with locale control, and want to pay per-call in USDC without managing API keys or subscriptions. It's ideal for SEO keyword research, building search-as-you-type UIs, competitive analysis of trending queries, or any agentic workflow requiring live Google suggestion data.
Side effects
- Invalid or unsupported client parameter returns error or empty suggestions
- Unsupported country code (gl) or language code (hl) may yield no results or fallback behavior
- Empty query string returns no suggestions
- Payment failure (insufficient USDC balance) blocks the call with a 402 response
- Rate limiting or service unavailability from upstream Google may cause empty or error responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| q | string | |
| cp | string | Cursor pointer defines the position of cursor for the query provided, position starts from 0 which is a case where cursor is placed before the query query .… |
| gl | string | country to use for the Google search. It's a two-letter country code. (e.g., us for the United States, uk for United Kingdom, or fr for France) Head to the… |
| hl | string | language to use for the Google Autocomplete search. It's a two or three-letter language code. (e.g., en for English, es for Spanish, or fr for French),… |
| client | string | Parameter used to define client for autocomplete. List of supported clients . |
Tags
x402
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