# Arch Tools, free: Email finder API

> Find email address for a person at a company via Hunter.io.

Arch Tools' Free plan for the email finder API costs $0.00 per 1,000 emails. We check each provider's docs for 10 fields. Arch Tools' docs list 1: Confidence.
We haven't run Arch Tools through [our email finder API benchmark](https://datacircle.dev/best-email-finder-api.txt) yet.
This plan is free. We rank 1,884 plans for email finder APIs by price. Half the plans cost $20.00 or less per 1,000 emails. [366 email finder API plans on our price sheet are free.](https://datacircle.dev/best-email-finder-api.txt) [GetProspect](https://datacircle.dev/find-email-apis/getprospect/free-post-v2-email-find/llms.txt) has a free plan with 50 calls a month. GetProspect is the best email finder API in our benchmark.
[Lakewave's $19 monthly plan](https://datacircle.dev/find-email-apis/lakewave/19-monthly/llms.txt) costs the least per 1,000 emails. Lakewave's email finder API costs nothing beyond the plan price. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/find-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-enrich/llms.txt) costs the least for 10,000 emails a month: $1.00.
[ClearBounce's $4 pack](https://datacircle.dev/find-email-apis/clearbounce/4-pack/llms.txt) covers any number of emails, and costs less up front than Lakewave's $19 monthly plan.
[GetProspect](https://datacircle.dev/find-email-apis/getprospect/399-monthly-growth-50k-post-v2-email-find/llms.txt), [DiscoLike](https://datacircle.dev/find-email-apis/discolike/399-monthly-team-post-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/arch-tools/free
- [Email finder API in 2026: the best of 100+ compared](https://datacircle.dev/best-email-finder-api.txt)
- Get it: https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Request: `POST https://archtools.dev/v1/tools/email-find`
- API key: with the plan, on https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Its API docs: https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing#email-find
- Sold by: Arch Tools (https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 10%
- Confidence: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Find email address for a person at a company via Hunter.io.

## Data

- Keep data: no limit
- Use data: Your use of the Service is governed by our full Acceptable Use Policy, which is incorporated into these Terms. In summary, you agree not to: Use the Service for any unlawful purpose, or violate any third-party rights or applicable laws [...] Reverse engineer, scrape, copy, resell, or sublicense the Service, or resell, transfer, or redistribute your API key or credits [...] Attempt to exceed rate limits, bypass authentication or billing, or abuse the platform [...] Use the Service to generate spam, malware, phishing, or harmful content

## Plan

- Pay: $0
- You get: 100 credits

## Rate limit

- Per day: 500
- Per second: 0.17 (600 an hour)
- Concurrent: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain. Optional: first_name, last_name
- Method: POST
- Path: /v1/tools/email-find

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over with a valid email address

## The 2 fields the plan's answer can hold

email, confidence score

## Arch Tools' plans (9)

- [Arch Tools, free](https://datacircle.dev/find-email-apis/arch-tools/free/llms.txt): $0.00 per 1,000, 10% complete
- [Arch Tools, $9 pack](https://datacircle.dev/find-email-apis/arch-tools/9-pack/llms.txt): 10% complete
- [Arch Tools, $49 pack](https://datacircle.dev/find-email-apis/arch-tools/49-pack/llms.txt): 10% complete
- [Arch Tools, $199 pack](https://datacircle.dev/find-email-apis/arch-tools/199-pack/llms.txt): 10% complete
- [Arch Tools, $19 monthly](https://datacircle.dev/find-email-apis/arch-tools/19-monthly/llms.txt): 10% complete
- [Arch Tools, $49 monthly](https://datacircle.dev/find-email-apis/arch-tools/49-monthly/llms.txt): 10% complete
- [Arch Tools, $99 monthly](https://datacircle.dev/find-email-apis/arch-tools/99-monthly/llms.txt): 10% complete
- [Arch Tools, $199 monthly](https://datacircle.dev/find-email-apis/arch-tools/199-monthly/llms.txt): 10% complete
- [Arch Tools, contact us](https://datacircle.dev/find-email-apis/arch-tools/contact-us/llms.txt): 10% complete

## Arch Tools' calls for this API (1)

- `POST /v1/tools/email-find`: [Arch Tools, free](https://datacircle.dev/find-email-apis/arch-tools/free/llms.txt)

## Arch Tools' APIs (9)

- [Arch Tools Email verification API pricing, 9 plans](https://datacircle.dev/validate-email-apis/arch-tools/free/llms.txt)
- [Arch Tools Email finder API pricing, 9 plans](https://datacircle.dev/find-email-apis/arch-tools/free/llms.txt)
- [Arch Tools IP company lookup API pricing, 9 plans](https://datacircle.dev/ip-company-lookup-apis/arch-tools/free/llms.txt)
- [Arch Tools News API pricing, 9 plans](https://datacircle.dev/news-apis/arch-tools/free/llms.txt)
- [Arch Tools Phone validation API pricing, 9 plans](https://datacircle.dev/validate-phone-apis/arch-tools/free/llms.txt)
- [Arch Tools Web search API pricing, 9 plans, POST /v1/tools/web-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-web-search/llms.txt)
- [Arch Tools Web search API pricing, 9 plans, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-semantic-search/llms.txt)
- [Arch Tools SERP API pricing, 9 plans](https://datacircle.dev/serp-apis/arch-tools/free/llms.txt)
- [Arch Tools Domain WHOIS API pricing, 9 plans, POST /v1/tools/domain-check](https://datacircle.dev/domain-whois-apis/arch-tools/free-post-v1-tools-domain-check/llms.txt)
- [Arch Tools Domain WHOIS API pricing, 9 plans, POST /v1/tools/whois-lookup](https://datacircle.dev/domain-whois-apis/arch-tools/free-post-v1-tools-whois-lookup/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/extract-metadata](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-metadata/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/extract-page](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-page/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/web-scrape](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-web-scrape/llms.txt)

## Arch Tools: email finder API alternatives

[Arch Tools alternatives: other email finder API providers by price](https://datacircle.dev/arch-tools-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 emails.

- [GetProspect, free, POST /v2/people/enrichments](https://datacircle.dev/find-email-apis/getprospect/free-post-v2-people-enrichments/llms.txt): $0.00 per 1,000, 60% complete, stored
- [Icypeas, free trial, POST /bulk-search](https://datacircle.dev/find-email-apis/icypeas/free-trial-post-bulk-search/llms.txt): $0.00 per 1,000, 20% complete
- [Clearout, free](https://datacircle.dev/find-email-apis/clearout/free/llms.txt): $0.00 per 1,000, 30% complete, live
- [Enrich.so, free, POST /lead-finder/enrich](https://datacircle.dev/find-email-apis/enrich-so/free-free-post-lead-finder-enrich/llms.txt): $0.00 per 1,000, 50% complete
- [API for Agents, free](https://datacircle.dev/find-email-apis/api-for-agents/free/llms.txt): $0.00 per 1,000, 60% 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 2026-11-10.

- https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://archtools.dev/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://archtools.dev/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://archtools.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing