# Linkup, free, credits, POST /v1/search, Search, deep, sourced answer: Web search API

> Web search built for AI applications. Get sourced, cited answers with full-text snippets from across the web. Fast, accurate, and grounded in real data from trusted sources.

Linkup's web search API on its Free credits plan. It costs $0.00 per 1,000 searches. It returns 2 of the 6 key fields we check: Text, Answer.
The cheapest of the 27 plans we rank by price is [Firecrawl, $399 monthly](https://datacircle.dev/web-search-apis/firecrawl/399-monthly/llms.txt), at $1.596 per 1,000 searches.

- This page: https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-deep-sourced-answer
- Get it: https://www.linkup.so/pricing
- Its API docs: https://docs.linkup.so/pages/documentation/endpoints/search/reference
- Sold by: Linkup (https://www.linkup.so)
- Checked: 2026-10-27

## In the answer

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

## Price

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

## Charges

- Also pays for: from the same budget: Fetch · Research · Tasks · Extract

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Web search built for AI applications. Get sourced, cited answers with full-text snippets from across the web. Fast, accurate, and grounded in real data from trusted sources.

## Data

- Keep data: Open Web Content: "retain Open Web Content for as long as is necessary for the purposes of text and data mining only", Answers: no limit set
- Use data: Answers: "a personal, non-exclusive, non-transferable, worldwide right to use, reproduce and modify Answers, for its internal needs and/or for its end-users’ internal needs", "not authorized to use, including to provide or to resell, the Answers for any purpose other than strictly specified above", Open Web Content: "only within the limits of the text and data mining exception provided for in Article 3 and Article 4 of EU Copyright Directive 2019/790", "not authorized to use, including to distribute, Open Web Content for any purpose other than strictly specified above"

## Plan

- Pay: $0
- You get: $20 a month
- Enough for: about 363 calls a month

## Rate limit

- Per second: 10

## The call

- You send: q, depth "deep", outputType "sourcedAnswer". Optional: includeDomains, excludeDomains, fromDate, toDate, maxResults, includeImages, includeInlineCitations
- Method: POST
- Path: /v1/search

## About the plan

- Plan: Free credits
- Who can get it: anyone signing up with a professional email address, $20 of credit on sign-up and eligible accounts topped up back to $20 each month

## The 5 fields the plan's answer can hold

page title, URL, favicon, text, synthesized output

## Linkup's plans (5)

- [Linkup, free, credits, POST /v1/search, Search, deep, sourced answer](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-deep-sourced-answer/llms.txt): $0.00 per 1,000, 33% complete
- [Linkup, free, credits for startups, POST /v1/search, Search, deep, sourced answer](https://datacircle.dev/web-search-apis/linkup/free-credits-for-startups-post-v1-search-search-deep-sourced-answer/llms.txt): $0.00 per 1,000, 33% complete
- [Linkup, pay as you go, x402, paid per request in USDC on Base, POST /v1/search, Search, deep, sourced answer](https://datacircle.dev/web-search-apis/linkup/pay-as-you-go-x402-paid-per-request-in-usdc-on-base-post-v1-search-search-deep-sourced-answer/llms.txt): 33% complete
- [Linkup, top-up, Pay as you go, POST /v1/search, Search, deep, sourced answer](https://datacircle.dev/web-search-apis/linkup/top-up-pay-as-you-go-post-v1-search-search-deep-sourced-answer/llms.txt): $55.00 per 1,000, 33% complete
- [Linkup, contact us, Enterprise, POST /v1/search, Search, deep, sourced answer](https://datacircle.dev/web-search-apis/linkup/contact-us-enterprise-post-v1-search-search-deep-sourced-answer/llms.txt): 33% complete

## Linkup's calls (6)

- `POST /v1/search`, Search, deep: [Linkup, free, credits, POST /v1/search, Search, deep](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-deep/llms.txt)
- `POST /v1/search`, Search, deep, sourced answer: [Linkup, free, credits, POST /v1/search, Search, deep, sourced answer](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-deep-sourced-answer/llms.txt)
- `POST /v1/search`, Search, deep, structured: [Linkup, free, credits, POST /v1/search, Search, deep, structured](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-deep-structured/llms.txt)
- `POST /v1/search`, Search, standard: [Linkup, free, credits, POST /v1/search, Search, standard](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-standard/llms.txt)
- `POST /v1/search`, Search, standard, sourced answer: [Linkup, free, credits, POST /v1/search, Search, standard, sourced answer](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-standard-sourced-answer/llms.txt)
- `POST /v1/search`, Search, standard, structured: [Linkup, free, credits, POST /v1/search, Search, standard, structured](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-standard-structured/llms.txt)

## Linkup's APIs (1)

- [Linkup: web search API pricing, 5 plans, POST /v1/search, Search, deep, sourced answer](https://datacircle.dev/web-search-apis/linkup/free-credits-post-v1-search-search-deep-sourced-answer/llms.txt)

## Linkup: web search API alternatives

- [Firecrawl, top-up from $5, Pay-as-you-go on Hobby](https://datacircle.dev/web-search-apis/firecrawl/top-up-from-5-pay-as-you-go-on-hobby/llms.txt): $10.00 per 1,000, 17% complete
- [Tavily, pay as you go, Pay As You Go, POST /search, Search, advanced](https://datacircle.dev/web-search-apis/tavily/pay-as-you-go-pay-as-you-go-post-search-search-advanced/llms.txt): $16.00 per 1,000, 17% 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 2026-10-27.

- https://api.linkup.so/v1/openapi.json
- https://docs.linkup.so/pages/documentation/endpoints/search/overview.md
- https://docs.linkup.so/pages/documentation/endpoints/search/reference
- https://docs.linkup.so/pages/documentation/platform/pricing.md
- https://docs.linkup.so/pages/documentation/platform/rate-limits.md
- https://www.linkup.so
- https://www.linkup.so/pricing
- https://www.linkup.so/terms-of-use