# Arch Tools, free, POST /v1/tools/semantic-search: Web search API

> Neural/semantic web search via Exa AI. Find content by meaning, not just keywords.

Arch Tools' Free plan for the web search API costs $0.00 per 1,000 searches. We check each provider's docs for 6 fields. Arch Tools' docs list 1: Text.
We haven't run Arch Tools through [our web search API benchmark](https://datacircle.dev/best-web-search-api.txt) yet.
This plan is free. We rank 864 plans for web search APIs by price. Half the plans cost $4.774 or less per 1,000 searches. [287 web search API plans on our price sheet are free.](https://datacircle.dev/best-web-search-api.txt) [ScrapeNest](https://datacircle.dev/web-search-apis/scrapenest/free-post-v1-search-web-search/llms.txt) has a free plan with 200 calls a month. ScrapeNest is the best web search API in our benchmark.
[Scrape.land's $19 monthly plan](https://datacircle.dev/web-search-apis/scrape-land/19-monthly/llms.txt) is the cheapest paid plan per 1,000 searches, with no charge per call. You get as many searches as Scrape.land's rate limit allows. [UAPI's CNY 24.90 pack](https://datacircle.dev/web-search-apis/uapi/cny-24-90-pack/llms.txt) costs the least for 10,000 searches a month: about $3.72.
[Levirge's $29 monthly plan](https://datacircle.dev/web-search-apis/levirge/29-monthly/llms.txt) covers any number of searches, and costs more up front than Scrape.land's $19 monthly plan.
[ScrapeNest](https://datacircle.dev/web-search-apis/scrapenest/99-monthly-growth-post-v1-search-web-search/llms.txt), [Clawifi](https://datacircle.dev/web-search-apis/clawifi/299-monthly/llms.txt) and [Desearch](https://datacircle.dev/web-search-apis/desearch/top-up/llms.txt) are the best web search API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-semantic-search
- [Web search API in 2026: the best of 80+ providers compared](https://datacircle.dev/best-web-search-api.txt)
- Get it: https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- Request: `POST https://archtools.dev/v1/tools/semantic-search`
- API key: with the plan, on https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- Its API docs: https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing#semantic-search
- Sold by: Arch Tools (https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 17%
- Text: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: 62 other Arch Tools calls

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Neural/semantic web search via Exa AI. Find content by meaning, not just keywords.

## Data

- Keep data: no limit
- Use data: Your use of the Service is governed by our full Acceptable Use Policy, which is incorporated into these Terms. In summary, you agree not to: Use the Service for any unlawful purpose, or violate any third-party rights or applicable laws [...] Reverse engineer, scrape, copy, resell, or sublicense the Service, or resell, transfer, or redistribute your API key or credits [...] Attempt to exceed rate limits, bypass authentication or billing, or abuse the platform [...] Use the Service to generate spam, malware, phishing, or harmful content

## Plan

- Pay: $0
- You get: 100 credits

## Rate limit

- Per day: 500
- Per second: 0.17 (600 an hour)
- Concurrent: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: query. Optional: num_results, include_text
- Method: POST
- Path: /v1/tools/semantic-search

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over with a valid email address

## The only field the plan's answer can hold

text

## Arch Tools' plans (9)

- [Arch Tools, free, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-semantic-search/llms.txt): $0.00 per 1,000, 17% complete
- [Arch Tools, $9 pack, Starter Pack, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/9-pack-starter-pack-post-v1-tools-semantic-search/llms.txt): 17% complete
- [Arch Tools, $49 pack, Pro Pack, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/49-pack-pro-pack-post-v1-tools-semantic-search/llms.txt): 17% complete
- [Arch Tools, $199 pack, Business Pack, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/199-pack-business-pack-post-v1-tools-semantic-search/llms.txt): 17% complete
- [Arch Tools, $19 monthly, Starter, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/19-monthly-starter-post-v1-tools-semantic-search/llms.txt): 17% complete
- [Arch Tools, $49 monthly, Pro, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/49-monthly-pro-post-v1-tools-semantic-search/llms.txt): 17% complete
- [Arch Tools, $99 monthly, Growth, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/99-monthly-growth-post-v1-tools-semantic-search/llms.txt): 17% complete
- [Arch Tools, $199 monthly, Business, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/199-monthly-business-post-v1-tools-semantic-search/llms.txt): 17% complete
- [Arch Tools, contact us, Enterprise, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/contact-us-enterprise-post-v1-tools-semantic-search/llms.txt): 17% complete

## Arch Tools' calls for this API (2)

- `POST /v1/tools/web-search`: [Arch Tools, free, POST /v1/tools/web-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-web-search/llms.txt)
- `POST /v1/tools/semantic-search`: [Arch Tools, free, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-semantic-search/llms.txt)

## Arch Tools' APIs (9)

- [Arch Tools Email verification API pricing, 9 plans](https://datacircle.dev/validate-email-apis/arch-tools/free/llms.txt)
- [Arch Tools Email finder API pricing, 9 plans](https://datacircle.dev/find-email-apis/arch-tools/free/llms.txt)
- [Arch Tools IP company lookup API pricing, 9 plans](https://datacircle.dev/ip-company-lookup-apis/arch-tools/free/llms.txt)
- [Arch Tools News API pricing, 9 plans](https://datacircle.dev/news-apis/arch-tools/free/llms.txt)
- [Arch Tools Phone validation API pricing, 9 plans](https://datacircle.dev/validate-phone-apis/arch-tools/free/llms.txt)
- [Arch Tools Web search API pricing, 9 plans, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-semantic-search/llms.txt)
- [Arch Tools SERP API pricing, 9 plans](https://datacircle.dev/serp-apis/arch-tools/free/llms.txt)
- [Arch Tools Domain WHOIS API pricing, 9 plans, POST /v1/tools/domain-check](https://datacircle.dev/domain-whois-apis/arch-tools/free-post-v1-tools-domain-check/llms.txt)
- [Arch Tools Domain WHOIS API pricing, 9 plans, POST /v1/tools/whois-lookup](https://datacircle.dev/domain-whois-apis/arch-tools/free-post-v1-tools-whois-lookup/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/extract-metadata](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-metadata/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/extract-page](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-page/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/web-scrape](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-web-scrape/llms.txt)

## Arch Tools: web search API alternatives

[Arch Tools alternatives: other web search API providers by price](https://datacircle.dev/arch-tools-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 searches.

- [ScrapeNest, free, POST /v1/search/deep, Deep Search](https://datacircle.dev/web-search-apis/scrapenest/free-post-v1-search-deep-deep-search/llms.txt): $0.00 per 1,000, 17% complete, live
- [Clawifi, free, Keyless trial](https://datacircle.dev/web-search-apis/clawifi/free-keyless-trial/llms.txt): $0.00 per 1,000, 17% complete
- [Desearch, free](https://datacircle.dev/web-search-apis/desearch/free/llms.txt): $0.00 per 1,000, 17% complete, stored
- [SerpScraper.dev, free, GET /webs-search, Web Search API](https://datacircle.dev/web-search-apis/serpscraper-dev/free/llms.txt): $0.00 per 1,000, 17% complete
- [APIHZ, free](https://datacircle.dev/web-search-apis/apihz/free/llms.txt): $0.00 per 1,000, 17% complete, 1 hour

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://archtools.dev/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://archtools.dev/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://archtools.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing