# Serpex, free: Web search API

> The Best search API for AI & Agents. Powering the future of AI with fast, high-quality, and structured web search.

Serpex's web search API on its Free credits plan. It costs $0.00 per 1,000 searches. It returns 1 of the 6 key fields we check: Text.
The cheapest of the 177 plans we rank by price is [Ceramic, $99 monthly](https://datacircle.dev/web-search-apis/ceramic/99-monthly/llms.txt), at $0.20 per 1,000 searches.
[Search1API](https://datacircle.dev/web-search-apis/search1api/19-monthly-basic-post-search-search/llms.txt), [Firecrawl](https://datacircle.dev/web-search-apis/firecrawl/top-up-from-5-pay-as-you-go-on-scale/llms.txt) and [Valyu](https://datacircle.dev/web-search-apis/valyu/499-monthly/llms.txt) are the best web search API providers in our benchmark.

- This page: https://datacircle.dev/web-search-apis/serpex/free
- [Best web search API in 2026](https://datacircle.dev/best-web-search-api.txt)
- Get it: https://serpex.dev/pricing
- Request: `GET https://api.serpex.dev/api/search`
- API key: with the plan, on https://serpex.dev/pricing
- Its API docs: https://serpex.dev/docs/api/search
- Sold by: Serpex (https://serpex.dev)
- Checked: 2026-10-27

## In the answer

- Completeness: 17%
- Text: ✓

## Price

- $ per 1,000 searches: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Repeat free: 5 minutes
- Most per search: 10
- Extra fields: page content, page content error, page content requested, page content delivered: +$0.00
- Also pays for: from the same budget: Extract API

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The Best search API for AI & Agents. Powering the future of AI with fast, high-quality, and structured web search.

## Data

- Freshness: live
- Keep data: no limit
- Use data: While your paid subscription is active, Serpex grants you a non-exclusive, worldwide license to access, store, display, analyze, and redistribute—commercially or otherwise—the publicly available data returned by Serpex's API ("Licensed Data"). [...] You may present, transform, or combine the Licensed Data in any manner, provided that you do not add or alter data points in a way that would misrepresent the information actually returned by Serpex's API or cause harm to third parties. [...] You agree not to use any data obtained through Serpex in a manner that (a) discloses private or sensitive personal information, or (b) harms individual or public sentiments, violates applicable laws, or otherwise causes injury.

## Plan

- Pay: $0
- You get: 200 credits
- Enough for: 200 calls
- Expires: never

## Speed

- Answer: in the call

## The call

- You send: q. Optional: include_content, content_results
- Method: GET
- Path: /api/search

## About the plan

- Plan: Free credits
- Who can get it: anyone

## The 20 fields the plan's answer can hold

search ID, query, engines used, page title, URL, snippet, position, result engine, image URL, duration, relevance score, credits used, from cache, status, response time, timestamp, number of results, no results verified, charged, message

## Serpex's plans (5)

- [Serpex, free](https://datacircle.dev/web-search-apis/serpex/free/llms.txt): $0.00 per 1,000, 17% complete, live
- [Serpex, top-up from $5](https://datacircle.dev/web-search-apis/serpex/top-up-from-5/llms.txt): $0.80 per 1,000, 17% complete, live
- [Serpex, top-up from $50](https://datacircle.dev/web-search-apis/serpex/top-up-from-50/llms.txt): $0.65 per 1,000, 17% complete, live
- [Serpex, top-up from $500](https://datacircle.dev/web-search-apis/serpex/top-up-from-500/llms.txt): $0.50 per 1,000, 17% complete, live
- [Serpex, contact us](https://datacircle.dev/web-search-apis/serpex/contact-us/llms.txt): 17% complete, live

## Serpex's calls (1)

- `GET /api/search`: [Serpex, free](https://datacircle.dev/web-search-apis/serpex/free/llms.txt)

## Serpex's APIs (1)

- [Serpex: web search API pricing, 5 plans](https://datacircle.dev/web-search-apis/serpex/free/llms.txt)

## Serpex: web search API alternatives

- [Search1API, $499 monthly, Enterprise, POST /search, Search](https://datacircle.dev/web-search-apis/search1api/499-monthly-enterprise-post-search-search/llms.txt): $0.499 per 1,000, 33% complete, live
- [Context.dev, $500 monthly](https://datacircle.dev/web-search-apis/context-dev/500-monthly/llms.txt): $0.50 per 1,000, 17% complete, live
- [Oxylabs, $30 monthly](https://datacircle.dev/web-search-apis/oxylabs/30-monthly/llms.txt): $1.00 per 1,000, 17% complete, live
- [Nimble, pay as you go, Pay as you go, POST /v2/search, Search, lite](https://datacircle.dev/web-search-apis/nimble/pay-as-you-go-pay-as-you-go-post-v2-search-search-lite/llms.txt): $1.10 per 1,000, 17% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-27.

- https://serpex.dev
- https://serpex.dev/docs/api/search
- https://serpex.dev/docs/getting-started/pricing
- https://serpex.dev/docs/getting-started/rate-limits
- https://serpex.dev/pricing
- https://serpex.dev/terms