# Exa, free, World AgentKit free trial, POST /search, Search, lite: Web search API

> Low-cost, low-latency search for real-time and interactive experiences such as chat, voice agents, and autocomplete.

Exa's web search API on its World AgentKit free trial plan. It costs $0.00 per 1,000 searches. It returns 3 of the 6 key fields we check: Date, Author, Text.
You get up to 100 calls a month.
The cheapest of the 243 plans we rank by price is [Keenable, free, Keyless](https://datacircle.dev/web-search-apis/keenable/free-keyless/llms.txt), at $0.00 per 1,000 searches.
[Context.dev](https://datacircle.dev/web-search-apis/context-dev/300-monthly/llms.txt), [Serpex](https://datacircle.dev/web-search-apis/serpex/top-up-from-50/llms.txt) and [Search1API](https://datacircle.dev/web-search-apis/search1api/499-monthly-enterprise-post-search-search-full/llms.txt) are the best web search API providers in our benchmark.

- This page: https://datacircle.dev/web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-lite
- [Best web search API in 2026](https://datacircle.dev/best-web-search-api.txt)
- Get it: https://exa.ai/docs/integrations/payments/x402/agentkit
- Request: `POST https://api.exa.ai/search`, Search, lite
- API key: with the plan, on https://exa.ai/docs/integrations/payments/x402/agentkit
- Its API docs: https://exa.ai/docs/search/quickstart#lite
- Sold by: Exa (https://exa.ai)
- Checked: 2026-10-27

## In the answer

- Completeness: 50%
- Date: ✓
- Author: ✓
- Text: ✓

## Price

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

## Aggregators

- Aggregators: none

## 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: Low-cost, low-latency search for real-time and interactive experiences such as chat, voice agents, and autocomplete.

## Data

- 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

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: query, type "lite". Optional: category, numResults, includeDomains, excludeDomains, userLocation, userIdentifier, startPublishedDate, endPublishedDate, contents.text, contents.highlights, contents.snapshotAsOf, objective, 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 13 fields the plan's answer can hold

request ID, page title, URL, published date, author, document ID, image, favicon, text, highlights, highlight scores, cost in dollars, search time

## Exa's plans (7)

- [Exa, free, World AgentKit free trial, POST /search, Search, lite](https://datacircle.dev/web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-lite/llms.txt): $0.00 per 1,000, 50% complete
- [Exa, free, Starter, POST /search, Search, lite](https://datacircle.dev/web-search-apis/exa/free-starter-post-search-search-lite/llms.txt): $0.00 per 1,000, 50% complete
- [Exa, pay as you go, x402 or MPP, paid per request, POST /search, Search, lite](https://datacircle.dev/web-search-apis/exa/pay-as-you-go-x402-or-mpp-paid-per-request-post-search-search-lite/llms.txt): $4.00 per 1,000, 50% complete
- [Exa, top-up from $5, Developer (pay as you go), POST /search, Search, lite](https://datacircle.dev/web-search-apis/exa/top-up-from-5-developer-pay-as-you-go-post-search-search-lite/llms.txt): $4.00 per 1,000, 50% complete
- [Exa, $7 pack, Nevermined card purchase, $7 of credits per purchase, POST /search, Search, lite](https://datacircle.dev/web-search-apis/exa/7-pack-nevermined-card-purchase-7-of-credits-per-purchase-post-search-search-lite/llms.txt): $4.00 per 1,000, 50% complete
- [Exa, $1,000 pack, Developer (pay as you go), $1,000 in credits within 30 days: 25 QPS for 90 days, POST /search, Search, lite](https://datacircle.dev/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-lite/llms.txt): $4.00 per 1,000, 50% complete
- [Exa, contact us, Enterprise, POST /search, Search, lite](https://datacircle.dev/web-search-apis/exa/contact-us-enterprise-post-search-search-lite/llms.txt): 50% complete

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

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

## Exa's APIs (3)

- [Exa: company discovery API pricing, 9 plans](https://datacircle.dev/company-discovery-apis/exa/free-world-agentkit-free-trial/llms.txt)
- [Exa: people search API pricing, 9 plans](https://datacircle.dev/people-search-apis/exa/free-world-agentkit-free-trial/llms.txt)
- [Exa: web search API pricing, 7 plans, POST /search, Search, lite](https://datacircle.dev/web-search-apis/exa/free-world-agentkit-free-trial-post-search-search-lite/llms.txt)

## Exa: web search API alternatives

- [browserfoundry, $29.99 monthly, Essential, POST /api/v2/search/content](https://datacircle.dev/web-search-apis/browserfoundry/29-99-monthly-essential-post-api-v2-search-content/llms.txt): $3.999 per 1,000, 17% complete
- [Firecrawl, top-up from $5, Pay-as-you-go on Growth, POST /v2/search](https://datacircle.dev/web-search-apis/firecrawl/top-up-from-5-pay-as-you-go-on-growth/llms.txt): $4.00 per 1,000, 33% complete
- [Keenable, top-up](https://datacircle.dev/web-search-apis/keenable/top-up/llms.txt): $4.00 per 1,000, 33% complete
- [Querit, top-up](https://datacircle.dev/web-search-apis/querit/top-up/llms.txt): $4.00 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 2026-10-27.

- 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/quickstart
- https://exa.ai/llms.txt
- https://exa.ai/msa
- https://exa.ai/pricing
- https://exa.ai/terms-of-service