# Google Autocomplete via Serper

> Google Autocomplete via Serper is a paid API for AI agents from Serper at mpp.orthogonal.com, paid per call via MPP, $0.002/call, status unknown (last checked 2026-10-11).

Returns Google search query suggestions and autocomplete predictions based on a keyword prefix, useful for keyword research and SEO.

## Facts

- Endpoint: POST https://mpp.orthogonal.com/serper/autocomplete?utm_source=zero.xyz
- Price: $0.002/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Provider: Serper
- Docs: https://google.serper.dev
- Website: https://google.serper.dev
- Tags: google, serp, search, web
- Canonical page: https://www.zero.xyz/c/serper-google-autocomplete-via-serper-07b0dbb0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_y4rIg3UrArixZ1N4ThsuP

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability serper-google-autocomplete-via-serper-07b0dbb0 -d '<json body>'
```

Example prompt: What are Google's autocomplete suggestions for the search prefix 'best running shoes for' — I want to see what people are actually searching for to help with keyword research.

## When to prefer this

Use this endpoint when you need Google's actual autocomplete predictions for a keyword prefix — ideal for keyword research, SEO content planning, understanding user search intent, or discovering long-tail query variations. Prefer this over a general web search endpoint when you want query suggestions rather than actual search results.

## Known failure modes

- Empty suggestions returned for very obscure or nonsensical prefixes
- Rate limiting or quota errors if request volume is too high
- Invalid or missing query prefix returns an error response
- Network timeout if Serper API is temporarily unavailable

## How this service works

Google Autocomplete - returns search query suggestions based on a prefix. Use for keyword research, SEO, understanding search intent, or building search-ahead UIs.

## Output

A list of Google autocomplete query suggestions that complete the given prefix, mirroring what users see in Google's search bar dropdown. Useful for identifying popular search queries, long-tail keywords, and user intent patterns.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/serper-google-autocomplete-via-serper-07b0dbb0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mpp.orthogonal.com](https://www.zero.xyz/host/mpp.orthogonal.com/llms.txt)