# Searlo, free: Email verification API

> Check deliverability, disposable domains, and mailbox status

Searlo's email verification API on its Free credits plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Company.
The cheapest of the 1,851 plans we rank by price is [treg, top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt). treg asks one provider after another until one answers. treg costs $0.00 per 1,000 emails on average. You pay $26.95 per 1,000 emails when no provider answers.

- This page: https://datacircle.dev/validate-email-apis/searlo/free
- [Best email verification API in 2026](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://searlo.tech/pricing
- Request: `POST https://api.searlo.tech/api/v1/email-verifier/verify`
- API key: with the plan, on https://searlo.tech/pricing
- Its API docs: https://searlo.tech/docs#email-verify
- Sold by: Searlo (https://searlo.tech)
- Checked: 2026-10-27

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Web Search · Image Search · Custom Search JSON API · News Search · Video Search · Site Search · Advanced Search · Shopping Search · Maps · Places · Reviews · Place Details · Scholar · Patents · Simple Search · Autocomplete · Batch Search · Full SERP · SERP Batch · SERP Features · News Results Page · SERP HTML · Rank Checks · AI Answers · Scrape · Batch Scrape · Map · Crawl · Extract · Search and Scrape · Webpage

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Check deliverability, disposable domains, and mailbox status

## Data

- What it checks: format, mail servers, disposable domains, mailbox
- Keep data: no limit
- Use data: You may use the API to build applications that provide value to end users. You must comply with all applicable laws and our usage policies. Prohibited Use: Scraping or data mining that violates third-party rights, Building competing search services, Circumventing rate limits or security measures, Transmitting malware or harmful code, Violating intellectual property rights, Harassment, spam, or illegal content

## Plan

- Pay: $0
- You get: 3,000 credits
- Enough for: 600 calls, once
- Expires: 1 year

## Rate limit

- Per day: 40,000
- Per second: 2.78
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /email-verifier/verify

## About the plan

- Plan: Free credits
- Who can get it: anyone at least 18 years old, one free account per person or entity

## The 10 fields the plan's answer can hold

success, email address, status, domain, message, format valid, mailbox status, mailbox type, mailbox exchange, verified at

## Searlo's plans (8)

- [Searlo, free](https://datacircle.dev/validate-email-apis/searlo/free/llms.txt): $0.00 per 1,000, 50% complete
- [Searlo, $3.99 pack](https://datacircle.dev/validate-email-apis/searlo/3-99-pack/llms.txt): $3.99 per 1,000, 50% complete
- [Searlo, $9.99 pack](https://datacircle.dev/validate-email-apis/searlo/9-99-pack/llms.txt): $2.498 per 1,000, 50% complete
- [Searlo, $29.99 pack](https://datacircle.dev/validate-email-apis/searlo/29-99-pack/llms.txt): $1.999 per 1,000, 50% complete
- [Searlo, $74.99 pack](https://datacircle.dev/validate-email-apis/searlo/74-99-pack/llms.txt): $1.50 per 1,000, 50% complete
- [Searlo, $199.99 pack](https://datacircle.dev/validate-email-apis/searlo/199-99-pack/llms.txt): $1.111 per 1,000, 50% complete
- [Searlo, $799 pack](https://datacircle.dev/validate-email-apis/searlo/799-pack/llms.txt): $0.999 per 1,000, 50% complete
- [Searlo, contact us](https://datacircle.dev/validate-email-apis/searlo/contact-us/llms.txt): 50% complete

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

- `POST /email-verifier/verify`: [Searlo, free](https://datacircle.dev/validate-email-apis/searlo/free/llms.txt)

## Searlo's APIs (3)

- [Searlo: email verification API pricing, 8 plans](https://datacircle.dev/validate-email-apis/searlo/free/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/advanced](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-advanced/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/suggestions](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-suggestions/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /customsearch/v1](https://datacircle.dev/serp-apis/searlo/free-credits-get-customsearch-v1/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /serp, Full SERP](https://datacircle.dev/serp-apis/searlo/free-credits-get-serp-full-serp/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /serp, Full SERP, full](https://datacircle.dev/serp-apis/searlo/free-credits-get-serp-full-serp-full/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/images](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-images/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/news/serp](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-news-serp/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/news](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-news/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/patents](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-patents/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/scholar](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-scholar/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /serp/features](https://datacircle.dev/serp-apis/searlo/free-credits-get-serp-features/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /serp/html, SERP HTML](https://datacircle.dev/serp-apis/searlo/free-credits-get-serp-html-serp-html/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /serp/html, SERP HTML, rendered](https://datacircle.dev/serp-apis/searlo/free-credits-get-serp-html-serp-html-rendered/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/shopping](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-shopping/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/site](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-site/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/videos](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-videos/llms.txt)
- [Searlo: SERP API pricing, 8 plans, GET /search/web](https://datacircle.dev/serp-apis/searlo/free-credits-get-search-web/llms.txt)
- [Searlo: web search API pricing, 8 plans, POST /search-and-scrape, Search and Scrape](https://datacircle.dev/web-search-apis/searlo/free-credits-post-search-and-scrape-search-and-scrape/llms.txt)
- [Searlo: web search API pricing, 8 plans, POST /search-and-scrape, Search and Scrape, full](https://datacircle.dev/web-search-apis/searlo/free-credits-post-search-and-scrape-search-and-scrape-full/llms.txt)

## Searlo: email verification API alternatives

- [EnrichmentAPI, $599 monthly](https://datacircle.dev/validate-email-apis/enrichmentapi/599-monthly/llms.txt): $0.998 per 1,000, 50% complete
- [VerifySwift, $9.99 pack](https://datacircle.dev/validate-email-apis/verifyswift/9-99-pack/llms.txt): $0.999 per 1,000, 50% complete, live
- [TrekMail, $999 pack, 1,000,000 credits, POST /verify/bulk, Create a bulk job (quick)](https://datacircle.dev/validate-email-apis/trekmail/999-pack-1000000-credits-post-verify-bulk-create-a-bulk-job-quick/llms.txt): $0.999 per 1,000, 50% complete, live
- [NeverBounce, $999 monthly, Growth, up to 1,000,000, POST /jobs/create](https://datacircle.dev/validate-email-apis/neverbounce/999-monthly-growth-up-to-1000000-post-jobs-create/llms.txt): $0.999 per 1,000, 50% 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://searlo.tech
- https://searlo.tech/api-reference
- https://searlo.tech/docs
- https://searlo.tech/pricing
- https://searlo.tech/terms