# x402 Atlas, pay as you go, x402 pay per call, GET /search/advanced: Web search API

> Deep web research for AI agents — advanced search returning the highest-relevance results with multiple query-focused snippets per source, plus an optional LLM-generated answer grounded in the returned sources when include_answer is set.

x402 Atlas's x402 pay per call plan for the web search API costs $25.00 per 1,000 searches. x402 Atlas's docs list 2 of the 6 fields on our checklist: Text, Answer.
We haven't run x402 Atlas through [our web search API benchmark](https://datacircle.dev/best-web-search-api.txt) yet.
We rank 778 plans for web search APIs by price. Half the plans cost $3.844 or less per 1,000 searches. This plan costs less per 1,000 searches than 11% of the 778 plans.
[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.
[Clawifi](https://datacircle.dev/web-search-apis/clawifi/299-monthly/llms.txt), [SerpScraper.dev](https://datacircle.dev/web-search-apis/serpscraper-dev/19-monthly/llms.txt) and [browserfoundry by keirolabs](https://datacircle.dev/web-search-apis/browserfoundry-by-keirolabs/10-pack-starter-pack-post-api-v2-search-lite/llms.txt) are the best web search API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/web-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-search-advanced
- [Web search API in 2026: the best of 50+ providers compared](https://datacircle.dev/best-web-search-api.txt)
- Get it: https://websearch.use.x402atlas.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- Request: `GET https://websearch.use.x402atlas.com/search/advanced`
- API key: not needed
- Its API docs: https://websearch.use.x402atlas.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- Sold by: x402 Atlas (https://x402atlas.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing)
- Checked: 2026-11-08

## In the answer

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

## Price

- $ per 1,000 searches: $25.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Most per search: 20
- Also pays for: nothing else

## In their words

- Their pitch: Deep web research for AI agents — advanced search returning the highest-relevance results with multiple query-focused snippets per source, plus an optional LLM-generated answer grounded in the returned sources when include_answer is set.

## Data

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

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: query. Optional: chunks_per_source, country, end_date, exact_match, exclude_domains, include_answer, include_domains, include_raw_content, max_results, start_date, time_range, topic
- Method: GET
- Path: /search/advanced

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone, with no account or API key, paying each call in USDC from a wallet (x402)

## The 7 fields the plan's answer can hold

query, page title, URL, snippet, relevance score, page content, answer

## x402 Atlas's plans (1)

- [x402 Atlas, pay as you go, x402 pay per call, GET /search/advanced](https://datacircle.dev/web-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-search-advanced/llms.txt): $25.00 per 1,000, 33% complete

## x402 Atlas's calls for this API (3)

- `GET /search`: [x402 Atlas, pay as you go, x402 pay per call, GET /search](https://datacircle.dev/web-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-search/llms.txt)
- `GET /search/advanced`: [x402 Atlas, pay as you go, x402 pay per call, GET /search/advanced](https://datacircle.dev/web-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-search-advanced/llms.txt)
- `GET /search/bulk`: [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)

## x402 Atlas's APIs (14)

- [x402 Atlas: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/x402-atlas/pay-as-you-go/llms.txt)
- [x402 Atlas: company enrichment API pricing, 1 plan, GET /french-company-data](https://datacircle.dev/company-enrichment-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-french-company-data/llms.txt)
- [x402 Atlas: company enrichment API pricing, 1 plan, GET /entity/{lei}](https://datacircle.dev/company-enrichment-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-entity-lei/llms.txt)
- [x402 Atlas: local business search API pricing, 1 plan, GET /apple/local](https://datacircle.dev/local-business-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-apple-local/llms.txt)
- [x402 Atlas: local business search API pricing, 1 plan, GET /local](https://datacircle.dev/local-business-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-local/llms.txt)
- [x402 Atlas: local business search API pricing, 1 plan, GET /search](https://datacircle.dev/local-business-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-search/llms.txt)
- [x402 Atlas: eBay search API pricing, 1 plan](https://datacircle.dev/ebay-search-apis/x402-atlas/pay-as-you-go/llms.txt)
- [x402 Atlas: news API pricing, 1 plan](https://datacircle.dev/news-apis/x402-atlas/pay-as-you-go/llms.txt)
- [x402 Atlas: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/x402-atlas/pay-as-you-go/llms.txt)
- [x402 Atlas: Instagram post API pricing, 1 plan](https://datacircle.dev/instagram-post-apis/x402-atlas/pay-as-you-go/llms.txt)
- [x402 Atlas: Instagram profile API pricing, 1 plan](https://datacircle.dev/instagram-profile-apis/x402-atlas/pay-as-you-go/llms.txt)
- [x402 Atlas: job postings API pricing, 1 plan](https://datacircle.dev/job-posting-apis/x402-atlas/pay-as-you-go/llms.txt)
- [x402 Atlas: SERP API pricing, 1 plan, GET /analyze](https://datacircle.dev/serp-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-analyze/llms.txt)
- [x402 Atlas: SERP API pricing, 1 plan, GET /google-search](https://datacircle.dev/serp-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-google-search/llms.txt)
- [x402 Atlas: App Store review API pricing, 1 plan, GET /reviews](https://datacircle.dev/app-store-review-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-reviews/llms.txt)
- [x402 Atlas: App Store review API pricing, 1 plan, GET /v2/product/{product_id}/reviews](https://datacircle.dev/app-store-review-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-v2-product-product-id-reviews/llms.txt)
- [x402 Atlas: web search API pricing, 1 plan, GET /search/advanced](https://datacircle.dev/web-search-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-search-advanced/llms.txt)
- [x402 Atlas: X profile API pricing, 1 plan, GET /user-about](https://datacircle.dev/x-profile-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-user-about/llms.txt)
- [x402 Atlas: X profile API pricing, 1 plan, GET /user-details](https://datacircle.dev/x-profile-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-user-details/llms.txt)
- [x402 Atlas: X post API pricing, 1 plan, GET /user-media](https://datacircle.dev/x-post-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-user-media/llms.txt)
- [x402 Atlas: X post API pricing, 1 plan, GET /user-replies](https://datacircle.dev/x-post-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-user-replies/llms.txt)
- [x402 Atlas: X post API pricing, 1 plan, GET /user-tweets](https://datacircle.dev/x-post-apis/x402-atlas/pay-as-you-go-x402-pay-per-call-get-user-tweets/llms.txt)

## x402 Atlas: web search API alternatives

- [Suprsonic, $99 monthly, Max, POST /v1/search, Web Search, ai](https://datacircle.dev/web-search-apis/suprsonic/99-monthly-max-post-v1-search-web-search-ai/llms.txt): $24.75 per 1,000, 17% complete, live
- [browserfoundry by keirolabs, $100 pack, Scale Pack, POST /api/v2/deep](https://datacircle.dev/web-search-apis/browserfoundry-by-keirolabs/100-pack-scale-pack-post-api-v2-deep/llms.txt): $25.00 per 1,000, 33% complete, live
- [Exa, pay as you go, x402 or MPP, paid per request, POST /search, Search, deep-reasoning, full](https://datacircle.dev/web-search-apis/exa/pay-as-you-go-x402-or-mpp-paid-per-request-post-search-search-deep-reasoning-full/llms.txt): $25.00 per 1,000, 100% complete
- [You.com, top-up, Pay as you go, POST /v1/search, Search, full](https://datacircle.dev/web-search-apis/you-com/top-up-pay-as-you-go-post-v1-search-search-full/llms.txt): $25.00 per 1,000, 33% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://twitter.use.x402atlas.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://twitter.use.x402atlas.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://websearch.use.x402atlas.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://websearch.use.x402atlas.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://websearch.use.x402atlas.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://websearch.use.x402atlas.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://x402atlas.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- https://x402atlas.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing