# Leadspace, contact us: Email finder API

> Leadspace offers an enrichment service through its API.

Leadspace's email finder API on its API program plan. It returns 4 of the 10 key fields we check: Name, Job title, Company, LinkedIn URL.
We haven't run Leadspace through [our email finder API benchmark](https://datacircle.dev/best-email-finder-api.txt) yet.
Leadspace gives this plan's price on request. We rank 1,553 plans for email finder APIs by price. Half the plans cost $20.00 per 1,000 emails or less.
[ClearBounce's $3.20 monthly plan](https://datacircle.dev/find-email-apis/clearbounce/3-20-monthly/llms.txt) costs the least per 1,000 emails: as little as $0.00074. ClearBounce's $3.20 monthly plan covers up to 4,320,000 emails a month at no extra cost.
[ClearBounce's $4 pack](https://datacircle.dev/find-email-apis/clearbounce/4-pack/llms.txt) covers any number of emails. ClearBounce's $4 pack costs more up front than ClearBounce's $3.20 monthly plan.
[DiscoLike](https://datacircle.dev/find-email-apis/discolike/399-monthly-team-post-email-find/llms.txt), [GetProspect](https://datacircle.dev/find-email-apis/getprospect/399-monthly-growth-50k-post-v2-email-find/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 the Datacircle benchmark.

- This page: https://datacircle.dev/find-email-apis/leadspace/contact-us
- [Email finder API: 80+ providers compared on price and data](https://datacircle.dev/best-email-finder-api.txt)
- Get it: https://www.leadspace.com/solutions/sidekick/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Request: `POST https://apigw.leadspace.com/enrichment/enrich/single`
- API key: with the plan, on https://www.leadspace.com/solutions/sidekick/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Its API docs: https://support.leadspace.com/hc/en-us/articles/23687993264284-Leadspace-Single-Direct-API-v4-Technical-Specifications?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Sold by: Leadspace (https://www.leadspace.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 40%
- Name: ✓
- Job title: ✓
- Company: ✓
- LinkedIn URL: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: Leadspace offers an enrichment service through its API.

## Data

- Keep data: no API terms
- Use data: no API terms

## Rate limit

- Per second: 30
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: person.first_name, person.last_name, one of company.name, person.email or company.website. Optional: person.title, linkedinUrl, company.lsid, company.ugLsid, company.companyLinkedinUrl, company.address.country, company.address.state, company.address.city, company.address.street, company.address.postalcode, custom_fields[].name, custom_fields[].value, external_id
- Method: POST
- Path: /enrichment/enrich/single

## About the plan

- Plan: API program
- Who can get it: a Leadspace customer, whose Customer Success Manager allocates its credits

## The 126 fields the plan's answer can hold

status, external ID, enrichment status, CDI matched, model score name, model score value, model score bucket, top scoring models, first name, last name, email, original email, original email verification status, job title, department, job level, job functions, technologies, persona name, persona score, top scoring personas, person country, person state, person city, person region, person verification status, person verification source, Leadspace person ID, LinkedIn URL, data validation, mobile phone, second mobile phone, third mobile phone, retired, phone, company name, original company name, company description, company country, company state, company city, company street address, company zip code, company region, company longitude, company latitude, company phone, company industry, company sub-industry, company website, company SIC code, company SIC description, company NAICS code, company NAICS description, company employee count, company employee range, company size, custom technologies categories, installed base technologies, website technologies, company technologies categories, Leadspace company ID, Leadspace LSID, company LinkedIn URL, company revenue range, company revenue, company ownership, company match confidence, company intent topics, intent model, intent model level, intent source, intent cadence, new high intent, intent industries, intent top metros, intent domain origins, company specialties, sub ultimate flag, Fortune 500 rank, Fortune 1000 rank, G2K rank, last funding round investor count, funding rounds count, last funding round date, Crunchbase funding URL, last funding round amount, last funding round type, Crunchbase investors URL, last investor name, investors, global ultimate flag, domestic ultimate flag, company tree rank, headquarters branch flag, subsidiary indicator code, site location type, company primary location, HR department size, sales department size, management department size, product management department size, IT department size, administration department size, marketing department size, operations department size, R&D department size, business development department size, finance department size, family tree company type, family tree company name, family tree company ID, family tree company country, family tree company state, family tree company city, family tree company street address, family tree company ZIP code, family tree company region, family tree company phone, family tree company website, family tree company SIC code, family tree company NAICS code, family tree company employee range, family tree company employee count, family tree company revenue range, family tree company revenue

## Leadspace's plans (1)

- [Leadspace, contact us](https://datacircle.dev/find-email-apis/leadspace/contact-us/llms.txt): 40% complete

## Leadspace's calls (1)

- `POST /enrichment/enrich/single`: [Leadspace, contact us](https://datacircle.dev/find-email-apis/leadspace/contact-us/llms.txt)

## Leadspace's APIs (3)

- [Leadspace: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/leadspace/contact-us/llms.txt)
- [Leadspace: phone finder API pricing, 1 plan](https://datacircle.dev/find-phone-apis/leadspace/contact-us/llms.txt)
- [Leadspace: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/leadspace/contact-us/llms.txt)

## Leadspace: email finder API alternatives

- [Enrow, contact us, Custom, POST /email/find/single](https://datacircle.dev/find-email-apis/enrow/contact-us/llms.txt): 40% complete, live
- [Enrich.so, contact us, Enterprise, POST /email-finder](https://datacircle.dev/find-email-apis/enrich-so/contact-us/llms.txt): 40% complete, live
- [Anymail Finder, contact us](https://datacircle.dev/find-email-apis/anymail-finder/contact-us/llms.txt): 40% complete, live
- [FindLeadEmails, contact us, Custom, POST /api/v1/bulk/find](https://datacircle.dev/find-email-apis/findleademails/contact-us-custom-post-api-v1-bulk-find/llms.txt): 40% complete, live
- [DataCaptive, contact us](https://datacircle.dev/find-email-apis/datacaptive/contact-us/llms.txt): 40% complete

## 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://support.leadspace.com/hc/en-us/articles/23687993264284-Leadspace-Single-Direct-API-v4-Technical-Specifications?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://www.leadspace.com/service-support-terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://www.leadspace.com/solutions/sidekick/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing