# Exa, free, World AgentKit free trial, POST /search, Search, deep: Cached web search API

> Conducts comprehensive multi-step research with synthesis.

Exa's cached web search API on its World AgentKit free trial plan. It costs $0.00 per 1,000 searches. It returns 5 of the 6 key fields we check: Date, Author, Text, Links, Answer.
You get up to 100 calls a month.
The cheapest of the 43 plans we rank by price is [Parallel, top-up, Pay as you go, POST /v1/search, Search (fast)](https://datacircle.dev/cached-web-search-apis/parallel/top-up-pay-as-you-go-post-v1-search-search-fast/llms.txt), at $1.00 per 1,000 searches.

- This page: https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-deep
- Get it: https://exa.ai/docs/integrations/payments/x402/agentkit
- Its API docs: https://exa.ai/docs/search/deep-search#choose-a-deep-mode
- Sold by: Exa (https://exa.ai)
- Checked: 2026-10-27

## In the answer

- Completeness: 83%
- Date: ✓
- Author: ✓
- Text: ✓
- Links: ✓
- Answer: ✓

## Price

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

## Charges

- Most per search: 10
- Also pays for: Contents · from the same budget: Search (every other type and category)

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Conducts comprehensive multi-step research with synthesis.

## Data

- Freshness: stored
- Keep data: self-serve: nothing copied or stored past a browser's temporary display cache, unless its terms or Exa in writing allow more, Enterprise, under its Master Subscription Agreement: no limit, the output is yours
- Use data: self-serve: as its documentation allows, the output for your own internal business purposes, nothing resold or sublicensed, no competing product, Enterprise: also through your own products to your end users, no competing product, no benchmarks shared

## Plan

- Pay: $0
- Enough for: 100 calls a month

## The call

- You send: query, type "deep". Optional: category, numResults, includeDomains, userLocation, userIdentifier, contents.text, contents.highlights, contents.summary, contents.extras, contents.livecrawlTimeout, contents.maxAgeHours, contents.snapshotAsOf, contents.subpages, contents.subpageTarget, additionalQueries, outputSchema, objective, systemPrompt, moderation, compliance
- Method: POST
- Path: /search

## About the plan

- Plan: World AgentKit free trial
- Who can get it: AI agents in World's AgentBook backed by a World ID-verified human, 100 requests a month per human across their agents

## The 22 fields the plan's answer can hold

request ID, page title, URL, published date, author, document ID, image, favicon, text, highlights, highlight scores, subpages, links, image links, rich image links, rich links, code blocks, cost in dollars, search time, synthesized output, output citations, output confidence

## Exa's plans (7)

- [Exa, free, World AgentKit free trial, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-deep/llms.txt): $0.00 per 1,000, 83% complete, stored
- [Exa, free, Starter, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/free-starter-post-search-search-deep/llms.txt): $0.00 per 1,000, 100% complete, stored
- [Exa, pay as you go, x402 or MPP, paid per request, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/pay-as-you-go-x402-or-mpp-paid-per-request-post-search-search-deep/llms.txt): $12.00 per 1,000, 100% complete, stored
- [Exa, top-up from $5, Developer (pay as you go), POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/top-up-from-5-developer-pay-as-you-go-post-search-search-deep/llms.txt): $12.00 per 1,000, 100% complete, stored
- [Exa, $7 pack, Nevermined card purchase, $7 of credits per purchase, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/7-pack-nevermined-card-purchase-7-of-credits-per-purchase-post-search-search-deep/llms.txt): $12.00 per 1,000, 100% complete, stored
- [Exa, $1,000 pack, Developer (pay as you go), $1,000 in credits within 30 days: 25 QPS for 90 days, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/1000-pack-developer-pay-as-you-go-1000-in-credits-within-30-days-25-qps-for-90-days-post-search-search-deep/llms.txt): $12.00 per 1,000, 100% complete, stored
- [Exa, contact us, Enterprise, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/contact-us-enterprise-post-search-search-deep/llms.txt): 83% complete, stored

## Exa's calls for this API (11)

- `POST /search`, Search: [Exa, free, World AgentKit free trial, POST /search, Search](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial/llms.txt)
- `POST /search`, Search, deep: [Exa, free, World AgentKit free trial, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-deep/llms.txt)
- `POST /search`, Search, deep-lite: [Exa, free, World AgentKit free trial, POST /search, Search, deep-lite](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-deep-lite/llms.txt)
- `POST /search`, Search, deep-lite, full: [Exa, free, Starter, POST /search, Search, deep-lite, full](https://datacircle.dev/cached-web-search-apis/exa/free-starter-post-search-search-deep-lite-full/llms.txt)
- `POST /search`, Search, deep-reasoning: [Exa, free, World AgentKit free trial, POST /search, Search, deep-reasoning](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-deep-reasoning/llms.txt)
- `POST /search`, Search, deep-reasoning, full: [Exa, free, Starter, POST /search, Search, deep-reasoning, full](https://datacircle.dev/cached-web-search-apis/exa/free-starter-post-search-search-deep-reasoning-full/llms.txt)
- `POST /search`, Search, deep, full: [Exa, free, Starter, POST /search, Search, deep, full](https://datacircle.dev/cached-web-search-apis/exa/free-starter-post-search-search-deep-full/llms.txt)
- `POST /search`, Search, full: [Exa, free, Starter, POST /search, Search, full](https://datacircle.dev/cached-web-search-apis/exa/free-starter-post-search-search-full/llms.txt)
- `POST /search`, Search, instant: [Exa, free, World AgentKit free trial, POST /search, Search, instant](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-instant/llms.txt)
- `POST /search`, Search, instant, full: [Exa, free, Starter, POST /search, Search, instant, full](https://datacircle.dev/cached-web-search-apis/exa/free-starter-post-search-search-instant-full/llms.txt)
- `POST /search`, Search, lite: [Exa, free, World AgentKit free trial, POST /search, Search, lite](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-lite/llms.txt)

## Exa's APIs (5)

- [Exa: cached company discovery API pricing, 7 plans](https://datacircle.dev/cached-company-discovery-apis/exa/free-world-agentkit-free-trial/llms.txt)
- [Exa: cached people search API pricing, 7 plans](https://datacircle.dev/cached-people-search-apis/exa/free-world-agentkit-free-trial/llms.txt)
- [Exa: cached web search API pricing, 7 plans, POST /search, Search, deep](https://datacircle.dev/cached-web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-deep/llms.txt)
- [Exa: company discovery API pricing, 3 plans, POST /v0/websets/{webset}/searches](https://datacircle.dev/company-discovery-apis/exa/49-monthly-starter-post-v0-websets-webset-searches/llms.txt)
- [Exa: company discovery API pricing, 3 plans, POST /v0/websets](https://datacircle.dev/company-discovery-apis/exa/49-monthly/llms.txt)
- [Exa: people search API pricing, 3 plans, POST /v0/websets/{webset}/searches](https://datacircle.dev/people-search-apis/exa/49-monthly-starter-post-v0-websets-webset-searches/llms.txt)
- [Exa: people search API pricing, 3 plans, POST /v0/websets](https://datacircle.dev/people-search-apis/exa/49-monthly/llms.txt)

## Exa: cached web search API alternatives

- [Parallel, top-up, Pay as you go, POST /v1/search, Search (basic)](https://datacircle.dev/cached-web-search-apis/parallel/top-up-pay-as-you-go-post-v1-search-search-basic/llms.txt): $5.00 per 1,000, 33% complete, stored
- [Brave Search API, top-up from $5](https://datacircle.dev/cached-web-search-apis/brave-search-api/top-up-from-5/llms.txt): $5.00 per 1,000, 0% complete, stored
- [Firecrawl, top-up from $5, Pay-as-you-go on Scale](https://datacircle.dev/cached-web-search-apis/firecrawl/top-up-from-5-pay-as-you-go-on-scale/llms.txt): $12.00 per 1,000, 17% 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 2026-10-27.

- https://exa-public.s3.us-east-1.amazonaws.com/Exa%20-%20Online%20Master%20Subscription%20Agreement%20%28v2.2026-09-17%29.pdf
- https://exa.ai/blog/company-search-benchmarks
- https://exa.ai/blog/people-search-benchmark
- https://exa.ai/docs/admin/billing
- https://exa.ai/docs/admin/faqs
- https://exa.ai/docs/admin/pricing
- https://exa.ai/docs/changelog
- https://exa.ai/docs/exa-spec.json
- https://exa.ai/docs/integrations/payments/mpp/quickstart
- https://exa.ai/docs/integrations/payments/nevermined
- https://exa.ai/docs/integrations/payments/x402/agentkit
- https://exa.ai/docs/integrations/payments/x402/quickstart
- https://exa.ai/docs/llms.txt
- https://exa.ai/docs/reference/search
- https://exa.ai/docs/search/best-practices
- https://exa.ai/docs/search/data/companies-people
- https://exa.ai/docs/search/data/news
- https://exa.ai/docs/search/data/overview
- https://exa.ai/docs/search/deep-search
- https://exa.ai/docs/search/quickstart
- https://exa.ai/llms.txt
- https://exa.ai/msa
- https://exa.ai/pricing
- https://exa.ai/terms-of-service