# Clado, free, POST /api/search/deep_research: People search API

> Deep research is an advanced search feature that performs a broad search to provide comprehensive results.

Clado's people search API on its Free plan. It costs $0.00 per 1,000 people. It returns 10 of the 13 key fields we check: Experience, Education, Skills, Headline, Location, Photo, Followers, Connections, Certifications, Recommendations.
We haven't run Clado through [our people search API benchmark](https://datacircle.dev/best-people-search-api.txt) yet.
This plan is free. We rank 618 plans for people search APIs by price. Half the plans cost $4.574 per 1,000 people or less.
[Coresignal's $49 monthly plan](https://datacircle.dev/people-search-apis/coresignal/49-monthly/llms.txt) is the cheapest paid plan per 1,000 people: as little as $0.0000038. Coresignal's $49 monthly plan covers up to 12,960,000 pages a month at no extra cost. Each page holds 1,000 people.
[PeopleSearch.im's $5 pack (/api/v1/search)](https://datacircle.dev/people-search-apis/peoplesearch-im/5-pack-starter-post-api-v1-search/llms.txt) covers any number of people. PeopleSearch.im's $5 pack costs less up front than Coresignal's $49 monthly plan.
[GetProspect](https://datacircle.dev/people-search-apis/getprospect/49-monthly-starter-post-v2-people-search-people-search/llms.txt), [QuickEnrich](https://datacircle.dev/people-search-apis/quickenrich/29-monthly-starter-post-api-employees-contact-finder/llms.txt) and [AnyAPI](https://datacircle.dev/people-search-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-people-search-quickenrich/llms.txt) are the best people search API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/people-search-apis/clado/free-post-api-search-deep-research
- [People lookup API: 40+ people search providers compared](https://datacircle.dev/best-people-search-api.txt)
- Get it: https://docs.clado.ai/api-reference/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- Request: `POST https://search.clado.ai/api/search/deep_research`
- API key: with the plan, on https://docs.clado.ai/api-reference/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- Its API docs: https://docs.clado.ai/api-reference/endpoint/initiate-deep-research?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- Sold by: Clado (https://docs.clado.ai/api-reference/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 77%
- Experience: ✓
- Education: ✓
- Skills: ✓
- Headline: ✓
- Location: ✓
- Photo: ✓
- Followers: ✓
- Connections: ✓
- Certifications: ✓
- Recommendations: ✓

## Price

- $ per 1,000 people: $0.00
- Per: result
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Repeat free: never
- Also pays for: from the same budget: Search People · Continue Deep Research · Scrape LinkedIn Profile · Get LinkedIn Profile · Get Post Reactions

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Deep research is an advanced search feature that performs a broad search to provide comprehensive results.

## Data

- Keep data: no limit set, but no personal data about other users collected or stored without permission
- Use data: no commercial activities without Clado's prior written consent, no collecting or storing personal data about other users without permission

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: by polling

## The call

- You send: query. Optional: limit, hard_filter_company_urls
- Method: POST
- Path: /api/search/deep_research

## About the plan

- Plan: Free
- Who can get it: anyone

## The 116 fields the plan's answer can hold

profile ID, name, location, location country, location regions, headline, description, LinkedIn URL, profile picture, connections, followers, currently working, decision maker, total experience months, projected total salary, post count, posts, liked posts, recommendations, recommendations count, skills, jobs, job title, job company, job start date, job end date, job description, job location, schools, school degree, school field of study, school name, school start date, school end date, post text, total reaction count, like count, appreciation count, empathy count, interest count, praise count, comments count, reposts count, post URL, posted at, posted date, posted timestamp, reposted, post URN, post author first name, post author last name, post author username, post author URL, post image URL, post image width, post image height, post video URL, post video width, post video height, post mention first name, post mention last name, post mention URN, post mention public identifier, post company mention ID, post company mention name, post company mention public identifier, post company mention URL, brand partnership, awards, award title, award issuer, award description, award year, award month, award order in profile, certifications, certification title, certification issuer, certification start year, certification start month, certification end year, certification end month, organizations, organization name, organization position, organization description, organization start year, organization start month, organization end year, organization end month, patents, patent title, patent description, patent status, patent year, patent month, projects, project name, project description, project start year, project start month, project end year, project end month, publications, publication title, publication description, publication publishers, publication year, publication month, GitHub repos, GitHub repo name, GitHub repo summary, GitHub repo stars, GitHub repo contributions, total results, job ID

## Clado's plans (5)

- [Clado, free, POST /api/search/deep_research](https://datacircle.dev/people-search-apis/clado/free-post-api-search-deep-research/llms.txt): $0.00 per 1,000, 77% complete
- [Clado, top-up, >$0 paid, POST /api/search/deep_research](https://datacircle.dev/people-search-apis/clado/top-up-0-paid-post-api-search-deep-research/llms.txt): $10.00 per 1,000, 77% complete
- [Clado, $50 pack, $50 paid, POST /api/search/deep_research](https://datacircle.dev/people-search-apis/clado/50-pack-50-paid-post-api-search-deep-research/llms.txt): $10.00 per 1,000, 77% complete
- [Clado, $250 pack, $250 paid, POST /api/search/deep_research](https://datacircle.dev/people-search-apis/clado/250-pack-250-paid-post-api-search-deep-research/llms.txt): $10.00 per 1,000, 77% complete
- [Clado, contact us, Custom pricing, POST /api/search/deep_research](https://datacircle.dev/people-search-apis/clado/contact-us-custom-pricing-post-api-search-deep-research/llms.txt): 77% complete

## Clado's calls for this API (3)

- `POST /api/search/deep_research`: [Clado, free, POST /api/search/deep_research](https://datacircle.dev/people-search-apis/clado/free-post-api-search-deep-research/llms.txt)
- `GET /api/search`, Search People: [Clado, free, GET /api/search, Search People](https://datacircle.dev/people-search-apis/clado/free-get-api-search-search-people/llms.txt)
- `GET /api/search`, Search People (advanced_filtering=false): [Clado, free, GET /api/search, Search People (advanced_filtering=false)](https://datacircle.dev/people-search-apis/clado/free-get-api-search-search-people-advanced-filtering-false/llms.txt)

## Clado's APIs (3)

- [Clado: LinkedIn profile API pricing, 5 plans](https://datacircle.dev/linkedin-profile-apis/clado/free/llms.txt)
- [Clado: people search API pricing, 5 plans, POST /api/search/deep_research](https://datacircle.dev/people-search-apis/clado/free-post-api-search-deep-research/llms.txt)
- [Clado: email finder API pricing, 4 plans](https://datacircle.dev/find-email-apis/clado/top-up/llms.txt)

## Clado: people search API alternatives

- [Context.dev, $20 monthly, Developer, POST /v1/people/search, Search People, full](https://datacircle.dev/people-search-apis/context-dev/20-monthly-developer-post-v1-people-search-search-people-full/llms.txt): $10.00 per 1,000, 31% complete
- [LeadFuze, $1,000 pack](https://datacircle.dev/people-search-apis/leadfuze/1000-pack/llms.txt): $10.00 per 1,000, 23% complete, 1 month
- [The Swarm, $500 monthly, Premium 1000, POST /v3/profiles/fetch](https://datacircle.dev/people-search-apis/the-swarm/500-monthly-premium-1000-post-v3-profiles-fetch/llms.txt): $10.00 per 1,000, 85% complete, 1 day
- [Bytemine, pay as you go](https://datacircle.dev/people-search-apis/bytemine/pay-as-you-go/llms.txt): $10.00 per 1,000, 15% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-03.

- https://clado.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://docs.clado.ai/api-reference/endpoint/initiate-deep-research?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://docs.clado.ai/api-reference/endpoint/scrape-linkedin-profile?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://docs.clado.ai/api-reference/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://docs.clado.ai/api-reference/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://docs.clado.ai/api-reference/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://docs.clado.ai/api-reference/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://www.clado.ai/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing