# browserfoundry, free, POST /api/v2/deep: Web search API

> Every top page read, ranked by evidence

browserfoundry's web search API on its Free plan. It costs $0.00 per 1,000 searches. It returns 2 of the 6 key fields we check: Text, Answer.
We rank 392 plans by price. [browserfoundry's $99.99 monthly plan (/api/v2/search/lite)](https://datacircle.dev/web-search-apis/browserfoundry/99-99-monthly-startup-post-api-v2-search-lite/llms.txt) is the cheapest paid plan per 1,000 searches: $0.033.
[browserfoundry](https://datacircle.dev/web-search-apis/browserfoundry/29-99-monthly-essential-post-api-v2-search-lite/llms.txt), [Context.dev](https://datacircle.dev/web-search-apis/context-dev/500-monthly/llms.txt) and [Desearch](https://datacircle.dev/web-search-apis/desearch/top-up/llms.txt) are the best web search API providers in our benchmark.

- This page: https://datacircle.dev/web-search-apis/browserfoundry/free-post-api-v2-deep
- [Best web search API in 2026: pricing compared](https://datacircle.dev/best-web-search-api.txt)
- Get it: https://www.browserfoundry.cloud/pricing
- Request: `POST https://api.keirolabs.cloud/api/v2/deep`
- API key: with the plan, on https://www.browserfoundry.cloud/pricing
- Its API docs: https://docs.keirolabs.cloud/search/deep-search
- Sold by: browserfoundry (https://www.browserfoundry.cloud)
- Checked: 2026-10-30

## In the answer

- Completeness: 33%
- Text: ✓
- Answer: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Search lite · Search content · Google SERP · Answer · Extract · Search fast · Agentic research

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Every top page read, ranked by evidence

## Data

- Freshness: live
- Keep data: no retention period is set for what the API answers, "You keep all rights to content you retrieve with the Service.", "Search results and extracted content come from third parties. We do not endorse, warrant or take responsibility for the accuracy, legality or availability of that content. Respect the terms of the sites and providers you query."
- Use data: "You are responsible for having the right to access and use any content you retrieve, and for how you use it downstream.", "Do not resell raw upstream access, circumvent published rate limits, or attempt to reverse engineer protections of upstream providers.", "Do not use the Service for unlawful activity, to attack or overload any system, or to violate anyone’s rights.", "Keep within the published rate limits of each endpoint, we may throttle or suspend traffic that degrades the Service for others.", "you may not share keys across separate business entities"

## Plan

- Pay: $0
- You get: 750 credits
- Enough for: 150 calls
- Expires: do not roll over

## Rate limit

- Per second: 0.033
- Batch: 1

## Speed

- Answer: in the call
- Median: 7.99 s

## The call

- You send: query. Optional: content
- Method: POST
- Path: /api/v2/deep

## About the plan

- Plan: Free
- Who can get it: anyone who creates an account with an email address

## The 18 fields the plan's answer can hold

query, position, SERP rank, page title, URL, snippet, excerpt, page text, content status, answer likelihood, response time, pages crawled, ranking applied, ordering retried, served from cache, result count, credits used, credits remaining

## browserfoundry's plans (11)

- [browserfoundry, free, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/free-post-api-v2-deep/llms.txt): $0.00 per 1,000, 33% complete, live
- [browserfoundry, $10 pack, Starter Pack, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/10-pack-starter-pack-post-api-v2-deep/llms.txt): $33.333 per 1,000, 33% complete, live
- [browserfoundry, $30 pack, Growth Pack, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/30-pack-growth-pack-post-api-v2-deep/llms.txt): $30.00 per 1,000, 33% complete, live
- [browserfoundry, $100 pack, Scale Pack, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/100-pack-scale-pack-post-api-v2-deep/llms.txt): $25.00 per 1,000, 33% complete, live
- [browserfoundry, $29.99 monthly, Essential, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/29-99-monthly-essential-post-api-v2-deep/llms.txt): $13.329 per 1,000, 33% complete, live
- [browserfoundry, $49.99 monthly, Pro, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/49-99-monthly-pro-post-api-v2-deep/llms.txt): $7.406 per 1,000, 33% complete, live
- [browserfoundry, $99.99 monthly, Startup, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/99-99-monthly-startup-post-api-v2-deep/llms.txt): $4.444 per 1,000, 33% complete, live
- [browserfoundry, $300 yearly, Essential, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/300-yearly-essential-post-api-v2-deep/llms.txt): $11.111 per 1,000, 33% complete, live
- [browserfoundry, $504 yearly, Pro, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/504-yearly-pro-post-api-v2-deep/llms.txt): $6.222 per 1,000, 33% complete, live
- [browserfoundry, $996 yearly, Startup, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/996-yearly-startup-post-api-v2-deep/llms.txt): $3.689 per 1,000, 33% complete, live
- [browserfoundry, contact us, Enterprise, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/contact-us-enterprise-post-api-v2-deep/llms.txt): 33% complete, live

## browserfoundry's calls for this API (4)

- `POST /api/v2/deep`: [browserfoundry, free, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/free-post-api-v2-deep/llms.txt)
- `POST /api/v2/search/content`: [browserfoundry, free, POST /api/v2/search/content](https://datacircle.dev/web-search-apis/browserfoundry/free-free-post-api-v2-search-content/llms.txt)
- `POST /api/v2/search/fast`: [browserfoundry, free, POST /api/v2/search/fast](https://datacircle.dev/web-search-apis/browserfoundry/free-free-post-api-v2-search-fast/llms.txt)
- `POST /api/v2/search/lite`: [browserfoundry, free, POST /api/v2/search/lite](https://datacircle.dev/web-search-apis/browserfoundry/free-post-api-v2-search-lite/llms.txt)

## browserfoundry's APIs (3)

- [browserfoundry: SERP API pricing, 11 plans](https://datacircle.dev/serp-apis/browserfoundry/free/llms.txt)
- [browserfoundry: web scraping API pricing, 11 plans](https://datacircle.dev/web-scraping-apis/browserfoundry/free/llms.txt)
- [browserfoundry: web search API pricing, 11 plans, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry/free-post-api-v2-deep/llms.txt)

## browserfoundry: web search API alternatives

- [Search1API, $499 pack, Pay as you go, $499 (+60% bonus), POST /search, Search, full](https://datacircle.dev/web-search-apis/search1api/499-pack-pay-as-you-go-499-60-bonus-post-search-search-full/llms.txt): $3.75 per 1,000, 33% complete, live
- [Geekflare, $19 monthly](https://datacircle.dev/web-search-apis/geekflare/19-monthly/llms.txt): $3.80 per 1,000, 50% complete, live
- [Bulkgrid, $19 monthly](https://datacircle.dev/web-search-apis/bulkgrid/19-monthly/llms.txt): $3.80 per 1,000, 33% complete, live
- [CrawlForge, $399 monthly](https://datacircle.dev/web-search-apis/crawlforge/399-monthly/llms.txt): $3.99 per 1,000, 33% 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 2026-10-30.

- https://docs.keirolabs.cloud/rate-limits.md
- https://docs.keirolabs.cloud/search/deep-search.md
- https://keirolabs.cloud/llms.txt
- https://keirolabs.cloud/pricing
- https://keirolabs.cloud/pricing.md
- https://keirolabs.cloud/terms
- https://platform.keirolabs.cloud/docs
- https://www.browserfoundry.cloud/llms.txt
- https://www.browserfoundry.cloud/pricing