# SignalHire, free, Free, POST /candidate/search, 5 credits: Cached LinkedIn profile API > The SignalHire API allows developers to integrate the capabilities of SignalHire directly into their own applications. It provides access to a wealth of contact information — including emails, phone numbers, and social media profiles — from a global database of professionals. [...] SignalHire's cached LinkedIn profile API on its Free plan, $0.00 per 1,000 profiles. 9 of the 13 LinkedIn profile sections: Experience, Education, Skills, Headline, About, Location, Photo, Certifications, Languages. - This page: https://datacircle.dev/cached-linkedin-profile-apis/signalhire/free-free-post-candidate-search-5-credits - Get it: https://www.signalhire.com/pricing - Its API docs: https://docs.signalhire.com/person-api/retrieve-person - Sold by: SignalHire (https://www.signalhire.com) - Checked: 2026-10-15 ## In the answer - Completeness: 69% - Experience: ✓ - Education: ✓ - Skills: ✓ - Headline: ✓ - About: ✓ - Location: ✓ - Photo: ✓ - Certifications: ✓ - Languages: ✓ ## Price - $ per 1,000: $0.00 - Billing: free ## Strengths - Strengths: 60+ fields ## Aggregators - Aggregators: Clay: your key no Data Credits, 1 Action per call (Actions start at less than $0.01 each) ## Charges - Repeat free: never - Per: result ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: The SignalHire API allows developers to integrate the capabilities of SignalHire directly into their own applications. It provides access to a wealth of contact information — including emails, phone numbers, and social media profiles — from a global database of professionals. [...] ## Data - Freshness: 10 days - Keep data: no limit - Use data: Users are permitted to use the Services for your own internal business purposes (but not for commercial purposes including but not limited to whereby you re-sale or otherwise make profit from any third party by mispresenting the Services as your own, or by selling access to the Services or any content derived therefrom, to any third party or otherwise distributing it, sharing it, displaying it or creating derivative works or aggregating such data) [...] you shall not use any such information or Personal Data for any purpose, or in any way which (a) violates any applicable laws, such as international data privacy laws, including but not limited the GDPR, the UK’s Data Protection Act, or any US state legislation amongst others, or (b) violates any laws relating to marketing and communications in any form including electronic communications, such as the US CAN-SPAM Act, or the EU Privacy and Electronic Communications Directives ## Plan - Pay: $0 - You get: 5 credits - Enough for: 5 results, once ## Rate limit - Per second: 0.083 - Concurrent: n/a - Batch: 100 ## Speed - Answer: in the call or by webhook ## The call - You send: items (up to 100 LinkedIn profile URLs, emails, phones or profile UIDs) and callbackUrl, or withoutWaterfall: true in place of callbackUrl. Optional: withoutContacts - Method: POST - Path: /candidate/search ## About the plan - Plan: Free - Who can get it: anyone acting in a business capacity, signing up with a business email ## The 72 fields the plan's answer can hold request ID, input data, success, credits remaining, provider record ID, name, gender, headline, about, profile picture, location, skills, years of experience, profile URL, Facebook URL, X URL, GitHub URL, social links, jobs, job title, job company, job location, job is current, job start date, job end date, job description, job company URL, schools, school name, school field of study, school degree, school URL, school start date, school end date, languages, language proficiency, organizations, organization name, organization position, organization start date, organization end date, certifications, certification name, certification license, certification issuer, courses, course name, projects, project name, project description, project URL, project start date, project end date, publications, publication name, publication description, publication publisher, publication URL, publication date, patents, patent name, patent or application number, patent number, patent date, honors, award name, award description, award issuer, award date, street address, birth date, alternative names ## SignalHire's plans (15) - [SignalHire, free, Free, POST /candidate/search, 5 credits](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/free-free-post-candidate-search-5-credits/llms.txt): $0.00 per 1,000, 69% complete, 10 days - [SignalHire, free, Free, POST /candidate/search, 10 credits a month](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/free-free-post-candidate-search-10-credits-a-month/llms.txt): $0.00 per 1,000, 69% complete, 10 days - [SignalHire, $49 monthly, Emails & Phones](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/49-monthly-emails-phones/llms.txt): $163.333 per 1,000, 69% complete, 10 days - [SignalHire, $49 monthly, Emails](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/49-monthly-emails/llms.txt): $81.667 per 1,000, 69% complete, 10 days - [SignalHire, $69 monthly, Emails & Phones](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/69-monthly-emails-phones/llms.txt): $158.621 per 1,000, 69% complete, 10 days - [SignalHire, $69 monthly, Emails](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/69-monthly-emails/llms.txt): $69.00 per 1,000, 69% complete, 10 days - [SignalHire, $79 monthly](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/79-monthly/llms.txt): $39.50 per 1,000, 69% complete, 10 days - [SignalHire, $99 monthly](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/99-monthly/llms.txt): $49.50 per 1,000, 69% complete, 10 days - [SignalHire, $469 yearly, Emails & Phones](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/469-yearly-emails-phones/llms.txt): $130.278 per 1,000, 69% complete, 10 days - [SignalHire, $469 yearly, Emails](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/469-yearly-emails/llms.txt): $65.139 per 1,000, 69% complete, 10 days - [SignalHire, $689 yearly, Emails & Phones](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/689-yearly-emails-phones/llms.txt): $127.593 per 1,000, 69% complete, 10 days - [SignalHire, $689 yearly, Emails](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/689-yearly-emails/llms.txt): $57.417 per 1,000, 69% complete, 10 days - [SignalHire, $756 yearly](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/756-yearly/llms.txt): $31.50 per 1,000, 69% complete, 10 days - [SignalHire, $996 yearly](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/996-yearly/llms.txt): $41.50 per 1,000, 69% complete, 10 days - [SignalHire, contact us](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/contact-us/llms.txt): 69% complete, 10 days ## SignalHire's calls (1) - `POST /candidate/search`: [SignalHire, free, Free, POST /candidate/search, 5 credits](https://datacircle.dev/cached-linkedin-profile-apis/signalhire/free-free-post-candidate-search-5-credits/llms.txt) ## Similar plans of other providers - [AI Ark, free](https://datacircle.dev/cached-linkedin-profile-apis/ai-ark/free/llms.txt): $0.00 per 1,000, 92% complete, 30 days - [The Swarm, free](https://datacircle.dev/cached-linkedin-profile-apis/the-swarm/free/llms.txt): $0.00 per 1,000, 85% complete, 1 day - [Specter, free, Trial, POST /api/v1/people/by-id/bulk](https://datacircle.dev/cached-linkedin-profile-apis/specter/free-trial-post-api-v1-people-by-id-bulk/llms.txt): $0.00 per 1,000, 69% complete, 1 day - [Apollo, free](https://datacircle.dev/cached-linkedin-profile-apis/apollo/free/llms.txt): $0.00 per 1,000, 31% complete, 1 month ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-15. - https://docs.signalhire.com/api-pricing - https://docs.signalhire.com/faq - https://docs.signalhire.com/overview - https://docs.signalhire.com/person-api/candidate-object - https://docs.signalhire.com/person-api/rate-limits - https://docs.signalhire.com/person-api/retrieve-person - https://docs.signalhire.com/person-api/without-contacts - https://docs.signalhire.com/person-api/without-waterfall - https://www.signalhire.com - https://www.signalhire.com/knowledge-base/what-does-'available-credits'-mean - https://www.signalhire.com/pricing - https://www.signalhire.com/terms