# 1Lookup, $99 monthly, Starter, POST /email-enrichment: Email finder API

> Send a first name, a last name and a company domain. Get back one work email, or an honest null when there is nothing to return. Only charged when an email is found, so a list full of misses does not run up a bill.

1Lookup's email finder API on its Starter plan, $24.75 per 1,000 emails. 1 of the 10 key fields: Company.
The median plan costs $19.80 per 1,000. This plan costs less than 45% of the 1,199 priced plans.

- This page: https://datacircle.dev/find-email-apis/1lookup/99-monthly-starter-post-email-enrichment
- Get it: https://www.1lookup.io/pricing
- Its API docs: https://www.1lookup.io/docs
- Sold by: 1Lookup (https://www.1lookup.io)
- Checked: 2026-10-20

## In the answer

- Completeness: 10%
- Company: ✓

## Price

- $ per 1,000: $24.75
- Billing: monthly
- $ a month: $99

## Strengths

- Strengths: nothing charged when not found

## Aggregators

- Aggregators: none

## Charges

- Repeat free: 7 days
- Per: call

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Send a first name, a last name and a company domain. Get back one work email, or an honest null when there is nothing to return. Only charged when an email is found, so a list full of misses does not run up a bill.

## Data

- Keep data: your subscription term: Output Data may not be retained after the subscription terminates, except as required by law
- Use data: we grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Service, and to use Output Data, for your internal business purposes during your subscription term, You must not, and must not permit any third party to: Resell, sublicense, rent, lease, distribute, or otherwise make the Service or Output Data available to any third party, except as expressly permitted in writing by us, Build, populate, enrich, or maintain a competing or substitute database, list, or product from Output Data, or use Output Data to train any machine learning or artificial intelligence model, Copy, scrape, cache, or store Output Data beyond what is reasonably necessary for your internal business use, or retain Output Data after your subscription terminates except as required by law, Reverse engineer, decompile, or disassemble any part of the Service, or attempt to discover its source code, underlying data sources, algorithms, or scoring logic, Circumvent or attempt to circumvent any rate limit, quota, usage limit, authentication, or access control, Remove, obscure, or alter any proprietary notice, or misrepresent the source of Output Data, Use the Service to benchmark against a competing product, or publish performance or accuracy comparisons, without our prior written consent, Access the Service by any automated means other than our documented APIs, or use the Service in a manner that interferes with its integrity, security, or performance [...] You must not use the Service, or Output Data, to: Violate any applicable law, regulation, or third-party right, Send, or enable others to send, unlawful telemarketing, robocalls, spam, or unsolicited or non-consented calls, texts, faxes, or emails, Harass, stalk, threaten, defraud, extort, dox, discriminate against, or harm any person, or facilitate any of the foregoing, Determine any person's eligibility for credit, insurance, employment, housing, government benefits, or any other purpose governed by the Fair Credit Reporting Act, as further described in Section 9, Identify, locate, surveil, or track any individual without a lawful basis, or to skip-trace or investigate any individual in violation of law, Collect, compile, enrich, sell, or license personal data without a lawful basis and required consents, Build, train, or improve a competing product, dataset, list, or machine learning or artificial intelligence model, Resell, redistribute, or provide the Service or Output Data to third parties [...]

## Plan

- Pay: $99
- You get: 20,000 credits a month
- Enough for: 4,000 calls a month
- Expires: unused credits roll over for up to 3 months

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: firstName, lastName, domain. Optional: fullName, name
- Method: POST
- Path: /email-enrichment

## About the plan

- Plan: Starter
- Who can get it: anyone with a business name and a working business email address

## The 12 fields the plan's answer can hold

success, request ID, request type, processing time, credits used, credits remaining, cache hit, data sources, matched, email, domain, primary action

## 1Lookup's plans (9)

- [1Lookup, $99 monthly, Starter, POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/99-monthly-starter-post-email-enrichment/llms.txt): $24.75 per 1,000, 10% complete
- [1Lookup, $299 monthly, Growth, POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/299-monthly-growth-post-email-enrichment/llms.txt): $17.588 per 1,000, 10% complete
- [1Lookup, $799 monthly, Professional, POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/799-monthly-professional-post-email-enrichment/llms.txt): $15.98 per 1,000, 10% complete
- [1Lookup, $1,999 monthly, Enterprise, POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/1999-monthly-enterprise-post-email-enrichment/llms.txt): $9.995 per 1,000, 10% complete
- [1Lookup, $990 yearly, Starter (annual), POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/990-yearly-starter-annual-post-email-enrichment/llms.txt): $20.625 per 1,000, 10% complete
- [1Lookup, $2,990 yearly, Growth (annual), POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/2990-yearly-growth-annual-post-email-enrichment/llms.txt): $14.657 per 1,000, 10% complete
- [1Lookup, $7,990 yearly, Professional (annual), POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/7990-yearly-professional-annual-post-email-enrichment/llms.txt): $13.317 per 1,000, 10% complete
- [1Lookup, $19,990 yearly, Enterprise (annual), POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/19990-yearly-enterprise-annual-post-email-enrichment/llms.txt): $8.329 per 1,000, 10% complete
- [1Lookup, contact us, Custom enterprise, POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/contact-us-custom-enterprise-post-email-enrichment/llms.txt): 10% complete

## 1Lookup's calls (5)

- `POST /b2b-contact-append`: [1Lookup, $99 monthly, Starter, POST /b2b-contact-append](https://datacircle.dev/find-email-apis/1lookup/99-monthly-starter-post-b2b-contact-append/llms.txt)
- `POST /bulk/jobs`, Create a bulk job (type b2b_contact_append): [1Lookup, $99 monthly, Starter, POST /bulk/jobs, Create a bulk job (type b2b_contact_append)](https://datacircle.dev/find-email-apis/1lookup/99-monthly-starter-post-bulk-jobs-create-a-bulk-job-type-b2b-contact-append/llms.txt)
- `POST /bulk/jobs`, Create a bulk job (type linkedin_email_finder): [1Lookup, $99 monthly, Starter, POST /bulk/jobs, Create a bulk job (type linkedin_email_finder)](https://datacircle.dev/find-email-apis/1lookup/99-monthly-starter-post-bulk-jobs-create-a-bulk-job-type-linkedin-email-finder/llms.txt)
- `POST /email-enrichment`: [1Lookup, $99 monthly, Starter, POST /email-enrichment](https://datacircle.dev/find-email-apis/1lookup/99-monthly-starter-post-email-enrichment/llms.txt)
- `POST /linkedin-email-finder`: [1Lookup, $99 monthly, Starter, POST /linkedin-email-finder](https://datacircle.dev/find-email-apis/1lookup/99-monthly-starter-post-linkedin-email-finder/llms.txt)

## Similar plans of other providers

- [Apollo, $99 monthly, Professional, POST /people/match](https://datacircle.dev/find-email-apis/apollo/99-monthly-professional-post-people-match/llms.txt): $24.75 per 1,000, 80% complete, 1 month
- [Evaboot, $149 monthly](https://datacircle.dev/find-email-apis/evaboot/149-monthly/llms.txt): $24.833 per 1,000, 20% complete, live
- [LinkFinder AI, $249 monthly, Scale, POST /, lead_full_name_to_email](https://datacircle.dev/find-email-apis/linkfinder-ai/249-monthly/llms.txt): $24.90 per 1,000, 0% complete, live
- [The Swarm, $2,990 yearly](https://datacircle.dev/find-email-apis/the-swarm/2990-yearly/llms.txt): $24.917 per 1,000, 40% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-20.

- https://www.1lookup.io/docs
- https://www.1lookup.io/llms.txt
- https://www.1lookup.io/openapi.json
- https://www.1lookup.io/pricing
- https://www.1lookup.io/products/email-enrichment
- https://www.1lookup.io/products/hlr-lookup
- https://www.1lookup.io/terms