# SignalQub, free: Email finder API

> Attempt to find a publicly available professional email associated with a LinkedIn profile URL. This is a premium 15-credit lookup and may return no match.

SignalQub's email finder API on its Free plan. It costs $0.00 per 1,000 emails. It returns none of the 10 key fields we check: Verification, Confidence, Catch-all domain, Where found and 6 more.
The cheapest of the 741 plans we rank by price is [Anysite, $300 monthly, Scale, POST /api/linkedin/user/email](https://datacircle.dev/find-email-apis/anysite/300-monthly-scale-post-api-linkedin-user-email/llms.txt), at $0.158 per 1,000 emails.
[OrbiSearch](https://datacircle.dev/find-email-apis/orbisearch/207-pack-enterprise-post-v1-email-lookup/llms.txt), [treg](https://datacircle.dev/find-email-apis/treg/top-up-from-10/llms.txt) and [Icypeas](https://datacircle.dev/find-email-apis/icypeas/499-monthly-hypergrowth-100000-credits-a-month-post-email-search/llms.txt) are the best email finder API providers in our benchmark.

- This page: https://datacircle.dev/find-email-apis/signalqub/free
- [Best email finder API in 2026](https://datacircle.dev/best-email-finder-api.txt)
- Get it: https://signalqub.com/pricing
- Request: `GET https://api.signalqub.com/v1/linkedin/email`
- API key: with the plan, on https://signalqub.com/pricing
- Its API docs: https://signalqub.com/endpoints/linkedin/email-finder-api
- Sold by: SignalQub (https://signalqub.com)
- Checked: 2026-10-27

## In the answer

- Completeness: 0%

## Price

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

## Strengths

- Strengths: found live

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Attempt to find a publicly available professional email associated with a LinkedIn profile URL. This is a premium 15-credit lookup and may return no match.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You agree to use the Services only for lawful purposes. You shall not: Use the API to extract data that is protected by copyright, trade secret, or other intellectual property laws without the explicit right to do so. Extract sensitive personal data, non-public information, or data behind authenticated login walls where you lack authorization. Attempt to bypass rate limits, manipulate billing, or execute distributed denial-of-service (DDoS) attacks against SignalQub or our target platforms. Resell, sub-license, or redistribute your SignalQub API keys to unauthorized third parties.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: about 6 calls
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: profileUrl or url
- Method: GET
- Path: /v1/linkedin/email

## About the plan

- Plan: Free
- Who can get it: anyone

## The 6 fields the plan's answer can hold

success, credits remaining, credits consumed, found, email, reason

## SignalQub's plans (5)

- [SignalQub, free](https://datacircle.dev/find-email-apis/signalqub/free/llms.txt): $0.00 per 1,000, 0% complete, live
- [SignalQub, $19 pack](https://datacircle.dev/find-email-apis/signalqub/19-pack/llms.txt): $51.818 per 1,000, 0% complete, live
- [SignalQub, $43 pack](https://datacircle.dev/find-email-apis/signalqub/43-pack/llms.txt): $32.25 per 1,000, 0% complete, live
- [SignalQub, $448 pack](https://datacircle.dev/find-email-apis/signalqub/448-pack/llms.txt): $19.20 per 1,000, 0% complete, live
- [SignalQub, contact us](https://datacircle.dev/find-email-apis/signalqub/contact-us/llms.txt): 0% complete, live

## SignalQub's calls for this API (1)

- `GET /v1/linkedin/email`: [SignalQub, free](https://datacircle.dev/find-email-apis/signalqub/free/llms.txt)

## SignalQub's APIs (7)

- [SignalQub: SERP API pricing, 5 plans](https://datacircle.dev/serp-apis/signalqub/free/llms.txt)
- [SignalQub: LinkedIn company post API pricing, 5 plans](https://datacircle.dev/linkedin-company-post-apis/signalqub/free/llms.txt)
- [SignalQub: LinkedIn company data API pricing, 5 plans](https://datacircle.dev/linkedin-company-profile-apis/signalqub/free/llms.txt)
- [SignalQub: LinkedIn post details API pricing, 5 plans](https://datacircle.dev/linkedin-post-details-apis/signalqub/free/llms.txt)
- [SignalQub: LinkedIn post search API pricing, 5 plans](https://datacircle.dev/linkedin-post-search-apis/signalqub/free/llms.txt)
- [SignalQub: email finder API pricing, 5 plans](https://datacircle.dev/find-email-apis/signalqub/free/llms.txt)
- [SignalQub: LinkedIn profile API pricing, 9 plans](https://datacircle.dev/linkedin-profile-apis/signalqub/free-basic/llms.txt)

## SignalQub: email finder API alternatives

- [Saleshandy, $912 yearly](https://datacircle.dev/find-email-apis/saleshandy/912-yearly/llms.txt): $19.00 per 1,000, 0% complete, live
- [Scrupp, $39 monthly, 2,000 credits / month, POST /email/find](https://datacircle.dev/find-email-apis/scrupp/39-monthly-2000-credits-month-post-email-find/llms.txt): $19.50 per 1,000, 20% complete, live
- [FindEmails.com, $49 monthly](https://datacircle.dev/find-email-apis/findemails-com/49-monthly/llms.txt): $19.60 per 1,000, 40% complete, live
- [Anymail Finder, $1,188 yearly](https://datacircle.dev/find-email-apis/anymail-finder/1188-yearly/llms.txt): $19.80 per 1,000, 40% 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://rapidapi.com/signalqub-signalqub-default/api/real-time-linkedin-scraper-data-extractor
- https://rapidapi.com/signalqub-signalqub-default/api/real-time-linkedin-scraper-data-extractor/playground/apiendpoint_cf06ee7b-3469-467f-8dea-b3f9df370b77
- https://rapidapi.com/signalqub-signalqub-default/api/real-time-linkedin-scraper-data-extractor/pricing
- https://rapidapi.com/terms
- https://signalqub.com/endpoints/linkedin
- https://signalqub.com/endpoints/linkedin/email-finder-api
- https://signalqub.com/llms.txt
- https://signalqub.com/pricing
- https://signalqub.com/terms-of-use