# 2s.io, free trial, GET /api/search/ai: Web search API

> AI web search optimized for agents. Returns ranked results with the relevant extracted content of each page (not just a link + blurb), plus a relevance score.

2s.io's Free trial plan for the web search API costs $0.00 per 1,000 searches. We check each provider's docs for 6 fields: Date, Author, Text, Summary and 2 more. 2s.io's docs list none of the 6.
2s.io limits how many calls you get but gives no number.
We haven't run 2s.io through [our web search API benchmark](https://datacircle.dev/best-web-search-api.txt) yet.
This plan is free. We rank 816 plans for web search APIs by price. Half the plans cost $4.00 or less per 1,000 searches. [See the best free web search API plan.](https://datacircle.dev/best-web-search-api.txt)
[SerpScraper.dev's $499 monthly plan](https://datacircle.dev/web-search-apis/serpscraper-dev/499-monthly/llms.txt) is the cheapest paid plan per 1,000 searches: $0.033. [Octen's top-up plan](https://datacircle.dev/web-search-apis/octen/top-up-from-5-base-post-pulse-search-pulse-search/llms.txt) costs the least for 10,000 searches a month: $5.00.
[Levirge's $29 monthly plan](https://datacircle.dev/web-search-apis/levirge/29-monthly/llms.txt) covers any number of searches. Levirge's $29 monthly plan costs less up front than SerpScraper.dev's $499 monthly plan.
[Clawifi](https://datacircle.dev/web-search-apis/clawifi/299-monthly/llms.txt), [Desearch](https://datacircle.dev/web-search-apis/desearch/top-up/llms.txt) and [SerpScraper.dev](https://datacircle.dev/web-search-apis/serpscraper-dev/19-monthly/llms.txt) are the best web search API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/web-search-apis/2s-io/free-trial-get-api-search-ai
- [Web search API in 2026: the best of 60+ providers compared](https://datacircle.dev/best-web-search-api.txt)
- Get it: https://2s.io/catalog.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- Request: `GET https://2s.io/api/search/ai`
- API key: not needed
- Its API docs: https://2s.io/search/ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- Sold by: 2s.io (https://2s.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 0%

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: AI web search optimized for agents. Returns ranked results with the relevant extracted content of each page (not just a link + blurb), plus a relevance score.

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0

## Rate limit

- Per second: 0.00028
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: q. Optional: maxResults, topic
- Method: GET
- Path: /api/search/ai

## About the plan

- Plan: Free trial
- Who can get it: anyone, with no wallet or payment, for one call per endpoint per hour (a request with ?trial=1 or the X-2s-Trial: 1 header)

## The 5 fields the plan's answer can hold

title, URL, content, relevance score, total results

## 2s.io's plans (2)

- [2s.io, free trial, GET /api/search/ai](https://datacircle.dev/web-search-apis/2s-io/free-trial-get-api-search-ai/llms.txt): $0.00 per 1,000, 0% complete
- [2s.io, pay as you go, x402 pay per call, GET /api/search/ai](https://datacircle.dev/web-search-apis/2s-io/pay-as-you-go-x402-pay-per-call-get-api-search-ai/llms.txt): $45.00 per 1,000, 0% complete

## 2s.io's calls for this API (2)

- `GET /api/search/ai`: [2s.io, free trial, GET /api/search/ai](https://datacircle.dev/web-search-apis/2s-io/free-trial-get-api-search-ai/llms.txt)
- `GET /api/search/web`: [2s.io, free trial, GET /api/search/web](https://datacircle.dev/web-search-apis/2s-io/free-trial-get-api-search-web/llms.txt)

## 2s.io's APIs (15)

- [2s.io: company hierarchy API pricing, 2 plans](https://datacircle.dev/company-hierarchy-apis/2s-io/free/llms.txt)
- [2s.io: domain WHOIS API pricing, 2 plans](https://datacircle.dev/domain-whois-apis/2s-io/free/llms.txt)
- [2s.io: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/2s-io/free/llms.txt)
- [2s.io: local business search API pricing, 2 plans](https://datacircle.dev/local-business-search-apis/2s-io/free/llms.txt)
- [2s.io: news API pricing, 2 plans](https://datacircle.dev/news-apis/2s-io/free/llms.txt)
- [2s.io: GitHub profile API pricing, 2 plans](https://datacircle.dev/github-profile-apis/2s-io/free/llms.txt)
- [2s.io: GitHub repository API pricing, 2 plans](https://datacircle.dev/github-repository-apis/2s-io/free/llms.txt)
- [2s.io: GitHub user repository API pricing, 2 plans](https://datacircle.dev/github-user-repository-apis/2s-io/free/llms.txt)
- [2s.io: Hacker News search API pricing, 2 plans](https://datacircle.dev/hacker-news-search-apis/2s-io/free/llms.txt)
- [2s.io: company enrichment API pricing, 2 plans, GET /api/business/br-cnpj](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-business-br-cnpj/llms.txt)
- [2s.io: company enrichment API pricing, 2 plans, GET /api/business/lei](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-business-lei/llms.txt)
- [2s.io: company enrichment API pricing, 2 plans, GET /api/business/pl-krs](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-business-pl-krs/llms.txt)
- [2s.io: company enrichment API pricing, 2 plans, GET /api/tax/vat](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-tax-vat/llms.txt)
- [2s.io: business verification API pricing, 2 plans, GET /api/business/entity-profile](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-entity-profile/llms.txt)
- [2s.io: business verification API pricing, 2 plans, GET /api/business/fi-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-fi-companies/llms.txt)
- [2s.io: business verification API pricing, 2 plans, GET /api/business/fr-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-fr-companies/llms.txt)
- [2s.io: business verification API pricing, 2 plans, GET /api/business/no-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-no-companies/llms.txt)
- [2s.io: business verification API pricing, 2 plans, GET /api/business/sos-search](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-sos-search/llms.txt)
- [2s.io: business verification API pricing, 2 plans, GET /api/business/uk-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-uk-companies/llms.txt)
- [2s.io: IP company lookup API pricing, 2 plans, GET /api/geo/ip](https://datacircle.dev/ip-company-lookup-apis/2s-io/free-trial-get-api-geo-ip/llms.txt)
- [2s.io: IP company lookup API pricing, 2 plans, POST /api/ipinfo/bulk](https://datacircle.dev/ip-company-lookup-apis/2s-io/free-trial-post-api-ipinfo-bulk/llms.txt)
- [2s.io: IP company lookup API pricing, 2 plans, GET /api/net/ip-resolve](https://datacircle.dev/ip-company-lookup-apis/2s-io/free-trial-get-api-net-ip-resolve/llms.txt)
- [2s.io: job postings API pricing, 2 plans, GET /api/gov/usajobs](https://datacircle.dev/job-posting-apis/2s-io/free-trial-get-api-gov-usajobs/llms.txt)
- [2s.io: job postings API pricing, 2 plans, GET /api/job/federal-search](https://datacircle.dev/job-posting-apis/2s-io/free-trial-get-api-job-federal-search/llms.txt)
- [2s.io: web search API pricing, 2 plans, GET /api/search/ai](https://datacircle.dev/web-search-apis/2s-io/free-trial-get-api-search-ai/llms.txt)
- [2s.io: web scraping API pricing, 2 plans, POST /api/search/extract](https://datacircle.dev/web-scraping-apis/2s-io/free-trial-post-api-search-extract/llms.txt)
- [2s.io: web scraping API pricing, 2 plans, GET /api/url/clean](https://datacircle.dev/web-scraping-apis/2s-io/free-trial-get-api-url-clean/llms.txt)
- [2s.io: web scraping API pricing, 2 plans, GET /api/url/render](https://datacircle.dev/web-scraping-apis/2s-io/free-trial-get-api-url-render/llms.txt)

## 2s.io: web search API alternatives

- [Suprsonic, $29 monthly, Pro, POST /v1/search, Web Search, deep](https://datacircle.dev/web-search-apis/suprsonic/29-monthly-pro-post-v1-search-web-search-deep/llms.txt): $43.50 per 1,000, 33% complete, live
- [x402 Atlas, pay as you go, x402 pay per call, GET /search/bulk](https://datacircle.dev/web-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-search-bulk/llms.txt): $45.00 per 1,000, 17% complete
- [AskNews, $1,000 monthly](https://datacircle.dev/web-search-apis/asknews/1000-monthly/llms.txt): $45.455 per 1,000, 17% complete, live
- [Firecrawl, $19 monthly, Hobby, POST /v2/search, Search with Content Scraping](https://datacircle.dev/web-search-apis/firecrawl/19-monthly-hobby-post-v2-search-search-with-content-scraping/llms.txt): $45.60 per 1,000, 50% complete, 2 days

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://2s.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://2s.io/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://2s.io/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://2s.io/catalog.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://2s.io/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://2s.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://2s.io/search/ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing