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QuantaFlow Google SERP Autocomplete API
x402
QuantaFlow Google SERP Autocomplete API is a paid API for AI agents from quanta-roan.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
Fetches Google Search autocomplete suggestions for a given query term via a pay-per-call x402 gateway
Price / call$0.01
Success—
StatusUnknown
How this service works
Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.
Output
Returns the upstream Google autocomplete response containing an array of predicted search query completions for the provided input query, passed through directly from Google's autocomplete API after successful x402 micropayment processing.
Example use cases
SEO keyword research for blog
“What does Google autocomplete suggest when someone starts typing 'healthy meal prep' — I want to know the most popular completions to help write blog content around those queries.”
Competitor brand autocomplete analysis
“Pull Google autocomplete suggestions for the query 'Nike vs ' so I can see which competitor brands Google most commonly associates with Nike in search predictions.”
Content gap discovery for e-commerce
“Get me Google's autocomplete suggestions for 'how to choose a' to discover what product-related questions shoppers commonly search for, so I can fill content gaps on my store.”
Technical details
Endpoint
POSThttps://quanta-roan.vercel.app/api/service/serp-google-autocomplete?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need programmatic access to Google Search autocomplete suggestions on a pay-per-use basis without a long-term API subscription, particularly useful for lightweight keyword research, SEO tooling, or AI agents with variable query volumes that benefit from $0.01 micropayment pricing over flat-rate plans.
Side effects
- Payment failure: insufficient USDC balance or x402 payment not accepted, resulting in 402 Payment Required
- Empty results: query string too short or ambiguous returning no suggestions
- Rate limiting: upstream Google autocomplete throttling requests
- Invalid path or query parameters causing malformed upstream request
- Network timeout from upstream Google service
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| body | string | Optional JSON body forwarded to POST requests. |
| path | string | Path below the selected upstream origin. |
| query | object | |
| method | string |
Output
Schema · Response
{
"description": "The upstream response body and content type are passed through after successful payment."
}Tags
x402
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