# SignalHire, free, Free, POST /candidate/search, 10 credits a month: Email finder API

> Find verified personal and business emails plus direct dials in real time. One credit returns every available contact for a profile and is only charged on success.

SignalHire's email finder API on its Free plan, $0.00 per 1,000 emails. 4 of the 10 key fields: Confidence, Name, LinkedIn URL, Location.

- This page: https://datacircle.dev/find-email-apis/signalhire/free-free-post-candidate-search-10-credits-a-month
- 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: 2026-10-16

## In the answer

- Completeness: 40%
- Confidence: ✓
- Name: ✓
- LinkedIn URL: ✓
- Location: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Strengths

- Strengths: checked live

## Charges

- Repeat free: never
- Per: result

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Find verified personal and business emails plus direct dials in real time. One credit returns every available contact for a profile and is only charged on success.

## Data

- Freshness: live
- 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: 10 credits a month
- Enough for: 10 results a month

## Rate limit

- Per second: 0.083
- Concurrent: n/a
- Batch: 100

## Speed

- Answer: in the call or by webhook

## The call

- You send: items, callbackUrl or withoutWaterfall: true, 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, who installs its browser extension

## The 70 fields in the plan's answer

request ID, requested identifier, lookup status, credits remaining, person ID, full name, gender, headline, summary, profile picture, location, skills, years of experience, LinkedIn URL, social links, social link confidence, contact links, messenger handles, job history title, job history company name, job history location, job history current, job history start date, job history end date, job history description, job history company LinkedIn URL, job history company employee range, job history company employee count, job history company industry, job history company website, education school, education major, education degree, education school LinkedIn URL, education start year, education end year, languages, language proficiency, organization name, organization position, organization start date, organization end date, certification name, certification license, certification issuer, courses, project name, project description, project URL, project start date, project end date, publication name, publication description, publication issue, publication URL, publication date, patent name, patent issue, patent number, patent date, award name, award description, award issuer, award date, addresses, birth date, alternative names, email, email type, email confidence

## SignalHire's plans (15)

- [SignalHire, free, Free, POST /candidate/search, 5 credits](https://datacircle.dev/find-email-apis/signalhire/free-free-post-candidate-search-5-credits/llms.txt): $0.00 per 1,000, 40% complete, live
- [SignalHire, free, Free, POST /candidate/search, 10 credits a month](https://datacircle.dev/find-email-apis/signalhire/free-free-post-candidate-search-10-credits-a-month/llms.txt): $0.00 per 1,000, 40% complete, live
- [SignalHire, $49 monthly, Emails & Phones](https://datacircle.dev/find-email-apis/signalhire/49-monthly-emails-phones/llms.txt): $163.333 per 1,000, 40% complete, live
- [SignalHire, $49 monthly, Emails](https://datacircle.dev/find-email-apis/signalhire/49-monthly-emails/llms.txt): $81.667 per 1,000, 40% complete, live
- [SignalHire, $69 monthly, Emails & Phones](https://datacircle.dev/find-email-apis/signalhire/69-monthly-emails-phones/llms.txt): $158.621 per 1,000, 40% complete, live
- [SignalHire, $69 monthly, Emails](https://datacircle.dev/find-email-apis/signalhire/69-monthly-emails/llms.txt): $69.00 per 1,000, 40% complete, live
- [SignalHire, $79 monthly](https://datacircle.dev/find-email-apis/signalhire/79-monthly/llms.txt): $39.50 per 1,000, 40% complete, live
- [SignalHire, $99 monthly](https://datacircle.dev/find-email-apis/signalhire/99-monthly/llms.txt): $49.50 per 1,000, 40% complete, live
- [SignalHire, $469 yearly, Emails & Phones](https://datacircle.dev/find-email-apis/signalhire/469-yearly-emails-phones/llms.txt): $130.278 per 1,000, 40% complete, live
- [SignalHire, $469 yearly, Emails](https://datacircle.dev/find-email-apis/signalhire/469-yearly-emails/llms.txt): $65.139 per 1,000, 40% complete, live
- [SignalHire, $689 yearly, Emails & Phones](https://datacircle.dev/find-email-apis/signalhire/689-yearly-emails-phones/llms.txt): $127.593 per 1,000, 40% complete, live
- [SignalHire, $689 yearly, Emails](https://datacircle.dev/find-email-apis/signalhire/689-yearly-emails/llms.txt): $57.417 per 1,000, 40% complete, live
- [SignalHire, $756 yearly](https://datacircle.dev/find-email-apis/signalhire/756-yearly/llms.txt): $31.50 per 1,000, 40% complete, live
- [SignalHire, $996 yearly](https://datacircle.dev/find-email-apis/signalhire/996-yearly/llms.txt): $41.50 per 1,000, 40% complete, live
- [SignalHire, contact us](https://datacircle.dev/find-email-apis/signalhire/contact-us/llms.txt): 40% complete, live

## SignalHire's calls (1)

- `POST /candidate/search`: [SignalHire, free, Free, POST /candidate/search, 10 credits a month](https://datacircle.dev/find-email-apis/signalhire/free-free-post-candidate-search-10-credits-a-month/llms.txt)

## Similar plans of other providers

- [Hunter, free](https://datacircle.dev/find-email-apis/hunter/free/llms.txt): $0.00 per 1,000, 80% complete, live
- [FullEnrich, free](https://datacircle.dev/find-email-apis/fullenrich/free/llms.txt): $0.00 per 1,000, 70% complete, live
- [AI Ark, free](https://datacircle.dev/find-email-apis/ai-ark/free/llms.txt): $0.00 per 1,000, 60% complete, live (provider record ID, username, first name, last name, name, headline, current title, profile picture, cover image, birth date, about, LinkedIn URL, Twitter URL, GitHub URL, Facebook URL, location, short location, country, region, city, location coordinates, locale country, locale language, supported locales, languages, industry, schools, school ID, school name, school logo, school URL, school degree, school field of study, school grade, school start date, school end date, certifications, certification name, certification issuer, certification issuer ID, certification issuer URL, certification logo, certification URL, certification license, certification display source, certification issue date, certification expiration date, organizations, organization name, organization position, organization start date, organization end date, volunteering, volunteering title, volunteering company, volunteering cause, volunteering description, volunteering start date, volunteering end date, jobs, job company, job company ID, job company logo, job company URL, job company employee range, job company start date, job company end date, job title, job description, job employment type, job location, job start date, job end date, skills, creator, hiring, open to work, premium, verified, influencer, current department, current sub-department, current job function, current seniority, followers, connections, updated at, company ID, company name, company legal name, company description, company overview, company SEO description, company founded, company type, company industry, company employee count, company employee range, company logo, company website, company domain, company domain LTD, company LinkedIn URL, company Facebook URL, company Twitter URL, company Crunchbase URL, company revenue range, company revenue min, company revenue max, company funding type, company total funding, company last funding amount, company investor count, company funding count, company latest funding date, company funding rounds, company funding round date, company funding round amount, company funding round type, company funding round investors, company stock ticker, company stock URL, company IPO amount raised, company IPO valuation, company IPO share price, company IPO date, company exit count, company exits, company exit ID, company exit name, company exit image, company exit description, company acquisition count, company acquisitions, company acquisition ID, company acquisition name, company acquisition image, company acquisition role, company acquisition date, company investment count, company lead investment count, company investments, company investment ID, company investment name, company investment image, company investment is lead, company investment round ID, company investment round name, company investment round type, company investment round amount, company diversity investment count, company diversity investments, company diversity investment ID, company diversity investment name, company diversity investment image, company diversity investment round ID, company diversity investment round name, company diversity investment round type, company diversity investment round amount, company diversity investment spotlights, company diversity investment date, company IT spend, company HQ continent, company HQ country, company HQ state, company HQ city, company HQ street, company HQ postal code, company HQ address, company HQ coordinates, company locations, company location continent, company location country, company location city, company location street, company location postal code, company location address, company location coordinates, company technologies, company technology name, company technology category, company industries, company keywords, company hashtags, company languages, company sub-organizations, company SIC codes, company NAICS codes, company updated at: 30 days)
- [BetterContact, free](https://datacircle.dev/find-email-apis/bettercontact/free/llms.txt): $0.00 per 1,000, 60% complete, live

## Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-16.

- https://docs.signalhire.com/api-pricing
- https://docs.signalhire.com/faq
- https://docs.signalhire.com/mcp-server
- https://docs.signalhire.com/overview
- https://docs.signalhire.com/person-api/candidate-object
- https://docs.signalhire.com/person-api/credits
- 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://docs.signalhire.com/response-codes
- https://www.signalhire.com
- https://www.signalhire.com/pricing
- https://www.signalhire.com/terms